{"ECO":"A00","Opening":"Polish (Sokolsky) opening","Movetext":"1. b4","NMoves":1,"LAN":"b2b4"}
{"ECO":"A00","Opening":"Polish","Variation":"Tuebingen variation","Movetext":"1. b4 Nh6","NMoves":1,"LAN":"b2b4 g8h6"}
{"ECO":"A00","Opening":"Polish","Variation":"Outflank variation","Movetext":"1. b4 c6","NMoves":1,"LAN":"b2b4 c7c6"}
{"ECO":"A00","Opening":"Benko's opening","Movetext":"1. g3","NMoves":1,"LAN":"g2g3"}
{"ECO":"A00","Opening":"Lasker simul special","Movetext":"1. g3 h5","NMoves":1,"LAN":"g2g3 h7h5"}
{"ECO":"A00","Opening":"Benko's opening","Variation":"reversed Alekhine","Movetext":"1. g3 e5 2. Nf3","NMoves":2,"LAN":"g2g3 e7e5 g1f3"}
{"ECO":"A00","Opening":"Grob's attack","Movetext":"1. g4","NMoves":1,"LAN":"g2g4"}
{"ECO":"A00","Opening":"Grob","Variation":"spike attack","Movetext":"1. g4 d5 2. Bg2 c6 3. g5","NMoves":3,"LAN":"g2g4 d7d5 f1g2 c7c6 g4g5"}
{"ECO":"A00","Opening":"Grob","Variation":"Fritz gambit","Movetext":"1. g4 d5 2. Bg2 Bxg4 3. c4","NMoves":3,"LAN":"g2g4 d7d5 f1g2 c8g4 c2c4"}
{"ECO":"A00","Opening":"Grob","Variation":"Romford counter-gambit","Movetext":"1. g4 d5 2. Bg2 Bxg4 3. c4 d4","NMoves":3,"LAN":"g2g4 d7d5 f1g2 c8g4 c2c4 d5d4"}
{"ECO":"A00","Opening":"Clemenz (Mead's, Basman's or de Klerk's) opening","Movetext":"1. h3","NMoves":1,"LAN":"h2h3"}
{"ECO":"A00","Opening":"Global opening","Movetext":"1. h3 e5 2. a3","NMoves":2,"LAN":"h2h3 e7e5 a2a3"}
{"ECO":"A00","Opening":"Amar (Paris) opening","Movetext":"1. Nh3","NMoves":1,"LAN":"g1h3"}
{"ECO":"A00","Opening":"Amar gambit","Movetext":"1. Nh3 d5 2. g3 e5 3. f4 Bxh3 4. Bxh3 exf4","NMoves":4,"LAN":"g1h3 d7d5 g2g3 e7e5 f2f4 c8h3 f1h3 e5f4"}
{"ECO":"A00","Opening":"Dunst (Sleipner, Heinrichsen) opening","Movetext":"1. Nc3","NMoves":1,"LAN":"b1c3"}
{"ECO":"A00","Opening":"Dunst (Sleipner, Heinrichsen) opening","Movetext":"1. Nc3 e5","NMoves":1,"LAN":"b1c3 e7e5"}
{"ECO":"A00","Opening":"Battambang opening","Movetext":"1. Nc3 e5 2. a3","NMoves":2,"LAN":"b1c3 e7e5 a2a3"}
{"ECO":"A00","Opening":"Novosibirsk opening","Movetext":"1. Nc3 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qh4","NMoves":4,"LAN":"b1c3 c7c5 d2d4 c5d4 d1d4 b8c6 d4h4"}
{"ECO":"A00","Opening":"Anderssen's opening","Movetext":"1. a3","NMoves":1,"LAN":"a2a3"}
{"ECO":"A00","Opening":"Ware (Meadow Hay) opening","Movetext":"1. a4","NMoves":1,"LAN":"a2a4"}
{"ECO":"A00","Opening":"Crab opening","Movetext":"1. a4 e5 2. h4","NMoves":2,"LAN":"a2a4 e7e5 h2h4"}
{"ECO":"A00","Opening":"Saragossa opening","Movetext":"1. c3","NMoves":1,"LAN":"c2c3"}
{"ECO":"A00","Opening":"Mieses opening","Movetext":"1. d3","NMoves":1,"LAN":"d2d3"}
{"ECO":"A00","Opening":"Mieses opening","Movetext":"1. d3 e5","NMoves":1,"LAN":"d2d3 e7e5"}
{"ECO":"A00","Opening":"Valencia opening","Movetext":"1. d3 e5 2. Nd2","NMoves":2,"LAN":"d2d3 e7e5 b1d2"}
{"ECO":"A00","Opening":"Venezolana opening","Movetext":"1. d3 c5 2. Nc3 Nc6 3. g3","NMoves":3,"LAN":"d2d3 c7c5 b1c3 b8c6 g2g3"}
{"ECO":"A00","Opening":"Van't Kruijs opening","Movetext":"1. e3","NMoves":1,"LAN":"e2e3"}
{"ECO":"A00","Opening":"Amsterdam attack","Movetext":"1. e3 e5 2. c4 d6 3. Nc3 Nc6 4. b3 Nf6","NMoves":4,"LAN":"e2e3 e7e5 c2c4 d7d6 b1c3 b8c6 b2b3 g8f6"}
{"ECO":"A00","Opening":"Gedult's opening","Movetext":"1. f3","NMoves":1,"LAN":"f2f3"}
{"ECO":"A00","Opening":"Hammerschlag (Fried fox/Pork chop opening)","Movetext":"1. f3 e5 2. Kf2","NMoves":2,"LAN":"f2f3 e7e5 e1f2"}
{"ECO":"A00","Opening":"Anti-Borg (Desprez) opening","Movetext":"1. h4","NMoves":1,"LAN":"h2h4"}
{"ECO":"A00","Opening":"Durkin's attack","Movetext":"1. Na3","NMoves":1,"LAN":"b1a3"}
{"ECO":"A01","Opening":"Nimzovich-Larsen attack","Movetext":"1. b3","NMoves":1,"LAN":"b2b3"}
{"ECO":"A01","Opening":"Nimzovich-Larsen attack","Variation":"modern variation","Movetext":"1. b3 e5","NMoves":1,"LAN":"b2b3 e7e5"}
{"ECO":"A01","Opening":"Nimzovich-Larsen attack","Variation":"Indian variation","Movetext":"1. b3 Nf6","NMoves":1,"LAN":"b2b3 g8f6"}
{"ECO":"A01","Opening":"Nimzovich-Larsen attack","Variation":"classical variation","Movetext":"1. b3 d5","NMoves":1,"LAN":"b2b3 d7d5"}
{"ECO":"A01","Opening":"Nimzovich-Larsen attack","Variation":"English variation","Movetext":"1. b3 c5","NMoves":1,"LAN":"b2b3 c7c5"}
{"ECO":"A01","Opening":"Nimzovich-Larsen attack","Variation":"Dutch variation","Movetext":"1. b3 f5","NMoves":1,"LAN":"b2b3 f7f5"}
{"ECO":"A01","Opening":"Nimzovich-Larsen attack","Variation":"Polish variation","Movetext":"1. b3 b5","NMoves":1,"LAN":"b2b3 b7b5"}
{"ECO":"A01","Opening":"Nimzovich-Larsen attack","Variation":"symmetrical variation","Movetext":"1. b3 b6","NMoves":1,"LAN":"b2b3 b7b6"}
{"ECO":"A02","Opening":"Bird's opening","Movetext":"1. f4","NMoves":1,"LAN":"f2f4"}
{"ECO":"A02","Opening":"Bird","Variation":"From gambit","Movetext":"1. f4 e5","NMoves":1,"LAN":"f2f4 e7e5"}
{"ECO":"A02","Opening":"Bird","Variation":"From gambit, Lasker variation","Movetext":"1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 g5","NMoves":4,"LAN":"f2f4 e7e5 f4e5 d7d6 e5d6 f8d6 g1f3 g7g5"}
{"ECO":"A02","Opening":"Bird","Variation":"From gambit, Lipke variation","Movetext":"1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 Nh6 5. d4","NMoves":5,"LAN":"f2f4 e7e5 f4e5 d7d6 e5d6 f8d6 g1f3 g8h6 d2d4"}
{"ECO":"A02","Opening":"Bird's opening, Swiss gambit","Movetext":"1. f4 f5 2. e4 fxe4 3. Nc3 Nf6 4. g4","NMoves":4,"LAN":"f2f4 f7f5 e2e4 f5e4 b1c3 g8f6 g2g4"}
{"ECO":"A02","Opening":"Bird","Variation":"Hobbs gambit","Movetext":"1. f4 g5","NMoves":1,"LAN":"f2f4 g7g5"}
{"ECO":"A03","Opening":"Bird's opening","Movetext":"1. f4 d5","NMoves":1,"LAN":"f2f4 d7d5"}
{"ECO":"A03","Opening":"Mujannah opening","Movetext":"1. f4 d5 2. c4","NMoves":2,"LAN":"f2f4 d7d5 c2c4"}
{"ECO":"A03","Opening":"Bird's opening","Variation":"Williams gambit","Movetext":"1. f4 d5 2. e4","NMoves":2,"LAN":"f2f4 d7d5 e2e4"}
{"ECO":"A03","Opening":"Bird's opening","Variation":"Lasker variation","Movetext":"1. f4 d5 2. Nf3 Nf6 3. e3 c5","NMoves":3,"LAN":"f2f4 d7d5 g1f3 g8f6 e2e3 c7c5"}
{"ECO":"A04","Opening":"Reti opening","Movetext":"1. Nf3","NMoves":1,"LAN":"g1f3"}
{"ECO":"A04","Opening":"Reti v Dutch","Movetext":"1. Nf3 f5","NMoves":1,"LAN":"g1f3 f7f5"}
{"ECO":"A04","Opening":"Reti","Variation":"Pirc-Lisitsin gambit","Movetext":"1. Nf3 f5 2. e4","NMoves":2,"LAN":"g1f3 f7f5 e2e4"}
{"ECO":"A04","Opening":"Reti","Variation":"Lisitsin gambit deferred","Movetext":"1. Nf3 f5 2. d3 Nf6 3. e4","NMoves":3,"LAN":"g1f3 f7f5 d2d3 g8f6 e2e4"}
{"ECO":"A04","Opening":"Reti opening","Movetext":"1. Nf3 d6","NMoves":1,"LAN":"g1f3 d7d6"}
{"ECO":"A04","Opening":"Reti","Variation":"Wade defence","Movetext":"1. Nf3 d6 2. e4 Bg4","NMoves":2,"LAN":"g1f3 d7d6 e2e4 c8g4"}
{"ECO":"A04","Opening":"Reti","Variation":"Herrstroem gambit","Movetext":"1. Nf3 g5","NMoves":1,"LAN":"g1f3 g7g5"}
{"ECO":"A05","Opening":"Reti opening","Movetext":"1. Nf3 Nf6","NMoves":1,"LAN":"g1f3 g8f6"}
{"ECO":"A05","Opening":"Reti","Variation":"King's Indian attack, Spassky's variation","Movetext":"1. Nf3 Nf6 2. g3 b5","NMoves":2,"LAN":"g1f3 g8f6 g2g3 b7b5"}
{"ECO":"A05","Opening":"Reti","Variation":"King's Indian attack","Movetext":"1. Nf3 Nf6 2. g3 g6","NMoves":2,"LAN":"g1f3 g8f6 g2g3 g7g6"}
{"ECO":"A05","Opening":"Reti","Variation":"King's Indian attack, Reti-Smyslov variation","Movetext":"1. Nf3 Nf6 2. g3 g6 3. b4","NMoves":3,"LAN":"g1f3 g8f6 g2g3 g7g6 b2b4"}
{"ECO":"A06","Opening":"Reti opening","Movetext":"1. Nf3 d5","NMoves":1,"LAN":"g1f3 d7d5"}
{"ECO":"A06","Opening":"Reti","Variation":"old Indian attack","Movetext":"1. Nf3 d5 2. d3","NMoves":2,"LAN":"g1f3 d7d5 d2d3"}
{"ECO":"A06","Opening":"Santasiere's folly","Movetext":"1. Nf3 d5 2. b4","NMoves":2,"LAN":"g1f3 d7d5 b2b4"}
{"ECO":"A06","Opening":"Tennison (Lemberg, Zukertort) gambit","Movetext":"1. Nf3 d5 2. e4","NMoves":2,"LAN":"g1f3 d7d5 e2e4"}
{"ECO":"A06","Opening":"Reti","Variation":"Nimzovich-Larsen attack","Movetext":"1. Nf3 d5 2. b3","NMoves":2,"LAN":"g1f3 d7d5 b2b3"}
{"ECO":"A07","Opening":"Reti","Variation":"King's Indian attack (Barcza system)","Movetext":"1. Nf3 d5 2. g3","NMoves":2,"LAN":"g1f3 d7d5 g2g3"}
{"ECO":"A07","Opening":"Reti","Variation":"King's Indian attack, Yugoslav variation","Movetext":"1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. O-O Bg4","NMoves":4,"LAN":"g1f3 d7d5 g2g3 g8f6 f1g2 c7c6 e1g1 c8g4"}
{"ECO":"A07","Opening":"Reti","Variation":"King's Indian attack, Keres variation","Movetext":"1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7","NMoves":3,"LAN":"g1f3 d7d5 g2g3 c8g4 f1g2 b8d7"}
{"ECO":"A07","Opening":"Reti","Variation":"King's Indian attack","Movetext":"1. Nf3 d5 2. g3 g6","NMoves":2,"LAN":"g1f3 d7d5 g2g3 g7g6"}
{"ECO":"A07","Opening":"Reti","Variation":"King's Indian attack, Pachman system","Movetext":"1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O e5 5. d3 Ne7","NMoves":5,"LAN":"g1f3 d7d5 g2g3 g7g6 f1g2 f8g7 e1g1 e7e5 d2d3 g8e7"}
{"ECO":"A07","Opening":"Reti","Variation":"King's Indian attack (with ...c5)","Movetext":"1. Nf3 d5 2. g3 c5","NMoves":2,"LAN":"g1f3 d7d5 g2g3 c7c5"}
{"ECO":"A08","Opening":"Reti","Variation":"King's Indian attack","Movetext":"1. Nf3 d5 2. g3 c5 3. Bg2","NMoves":3,"LAN":"g1f3 d7d5 g2g3 c7c5 f1g2"}
{"ECO":"A08","Opening":"Reti","Variation":"King's Indian attack, French variation","Movetext":"1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. O-O e6 5. d3 Nf6 6. Nbd2 Be7 7. e4 O-O 8. Re1","NMoves":8,"LAN":"g1f3 d7d5 g2g3 c7c5 f1g2 b8c6 e1g1 e7e6 d2d3 g8f6 b1d2 f8e7 e2e4 e8g8 f1e1"}
{"ECO":"A09","Opening":"Reti opening","Movetext":"1. Nf3 d5 2. c4","NMoves":2,"LAN":"g1f3 d7d5 c2c4"}
{"ECO":"A09","Opening":"Reti","Variation":"advance variation","Movetext":"1. Nf3 d5 2. c4 d4","NMoves":2,"LAN":"g1f3 d7d5 c2c4 d5d4"}
{"ECO":"A09","Opening":"Reti accepted","Movetext":"1. Nf3 d5 2. c4 dxc4","NMoves":2,"LAN":"g1f3 d7d5 c2c4 d5c4"}
{"ECO":"A09","Opening":"Reti accepted","Variation":"Keres variation","Movetext":"1. Nf3 d5 2. c4 dxc4 3. e3 Be6","NMoves":3,"LAN":"g1f3 d7d5 c2c4 d5c4 e2e3 c8e6"}
{"ECO":"A10","Opening":"English opening","Movetext":"1. c4","NMoves":1,"LAN":"c2c4"}
{"ECO":"A10","Opening":"English opening","Movetext":"1. c4 g6","NMoves":1,"LAN":"c2c4 g7g6"}
{"ECO":"A10","Opening":"English","Variation":"Adorjan defence","Movetext":"1. c4 g6 2. e4 e5","NMoves":2,"LAN":"c2c4 g7g6 e2e4 e7e5"}
{"ECO":"A10","Opening":"English","Variation":"Jaenisch gambit","Movetext":"1. c4 b5","NMoves":1,"LAN":"c2c4 b7b5"}
{"ECO":"A10","Opening":"English","Variation":"Anglo-Dutch defense","Movetext":"1. c4 f5","NMoves":1,"LAN":"c2c4 f7f5"}
{"ECO":"A11","Opening":"English","Variation":"Caro-Kann defensive system","Movetext":"1. c4 c6","NMoves":1,"LAN":"c2c4 c7c6"}
{"ECO":"A12","Opening":"English","Variation":"Caro-Kann defensive system","Movetext":"1. c4 c6 2. Nf3 d5 3. b3","NMoves":3,"LAN":"c2c4 c7c6 g1f3 d7d5 b2b3"}
{"ECO":"A12","Opening":"English","Variation":"Torre defensive system","Movetext":"1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. g3 Bg4","NMoves":4,"LAN":"c2c4 c7c6 g1f3 d7d5 b2b3 g8f6 g2g3 c8g4"}
{"ECO":"A12","Opening":"English","Variation":"London defensive system","Movetext":"1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. g3 Bf5","NMoves":4,"LAN":"c2c4 c7c6 g1f3 d7d5 b2b3 g8f6 g2g3 c8f5"}
{"ECO":"A12","Opening":"English","Variation":"Caro-Kann defensive system","Movetext":"1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. Bb2","NMoves":4,"LAN":"c2c4 c7c6 g1f3 d7d5 b2b3 g8f6 c1b2"}
{"ECO":"A12","Opening":"English","Variation":"Bled variation","Movetext":"1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. Bb2 g6","NMoves":4,"LAN":"c2c4 c7c6 g1f3 d7d5 b2b3 g8f6 c1b2 g7g6"}
{"ECO":"A12","Opening":"English","Variation":"New York (London) defensive system","Movetext":"1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Bf5","NMoves":4,"LAN":"c2c4 c7c6 g1f3 d7d5 b2b3 g8f6 c1b2 c8f5"}
{"ECO":"A12","Opening":"English","Variation":"Capablanca's variation","Movetext":"1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Bg4","NMoves":4,"LAN":"c2c4 c7c6 g1f3 d7d5 b2b3 g8f6 c1b2 c8g4"}
{"ECO":"A12","Opening":"English","Variation":"Caro-Kann defensive system, Bogolyubov variation","Movetext":"1. c4 c6 2. Nf3 d5 3. b3 Bg4","NMoves":3,"LAN":"c2c4 c7c6 g1f3 d7d5 b2b3 c8g4"}
{"ECO":"A13","Opening":"English opening","Movetext":"1. c4 e6","NMoves":1,"LAN":"c2c4 e7e6"}
{"ECO":"A13","Opening":"English","Variation":"Romanishin gambit","Movetext":"1. c4 e6 2. Nf3 Nf6 3. g3 a6 4. Bg2 b5","NMoves":4,"LAN":"c2c4 e7e6 g1f3 g8f6 g2g3 a7a6 f1g2 b7b5"}
{"ECO":"A13","Opening":"English opening","Variation":"Agincourt variation","Movetext":"1. c4 e6 2. Nf3 d5","NMoves":2,"LAN":"c2c4 e7e6 g1f3 d7d5"}
{"ECO":"A13","Opening":"English","Variation":"Wimpey system","Movetext":"1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 c5 5. e3","NMoves":5,"LAN":"c2c4 e7e6 g1f3 d7d5 b2b3 g8f6 c1b2 c7c5 e2e3"}
{"ECO":"A13","Opening":"English opening","Variation":"Agincourt variation","Movetext":"1. c4 e6 2. Nf3 d5 3. g3","NMoves":3,"LAN":"c2c4 e7e6 g1f3 d7d5 g2g3"}
{"ECO":"A13","Opening":"English","Variation":"Kurajica defence","Movetext":"1. c4 e6 2. Nf3 d5 3. g3 c6","NMoves":3,"LAN":"c2c4 e7e6 g1f3 d7d5 g2g3 c7c6"}
{"ECO":"A13","Opening":"English","Variation":"Neo-Catalan","Movetext":"1. c4 e6 2. Nf3 d5 3. g3 Nf6","NMoves":3,"LAN":"c2c4 e7e6 g1f3 d7d5 g2g3 g8f6"}
{"ECO":"A13","Opening":"English","Variation":"Neo-Catalan accepted","Movetext":"1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 dxc4","NMoves":4,"LAN":"c2c4 e7e6 g1f3 d7d5 g2g3 g8f6 f1g2 d5c4"}
{"ECO":"A14","Opening":"English","Variation":"Neo-Catalan declined","Movetext":"1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O","NMoves":5,"LAN":"c2c4 e7e6 g1f3 d7d5 g2g3 g8f6 f1g2 f8e7 e1g1"}
{"ECO":"A14","Opening":"English","Variation":"Symmetrical, Keres defence","Movetext":"1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O c5 6. cxd5 Nxd5 7. Nc3 Nc6","NMoves":7,"LAN":"c2c4 e7e6 g1f3 d7d5 g2g3 g8f6 f1g2 f8e7 e1g1 c7c5 c4d5 f6d5 b1c3 b8c6"}
{"ECO":"A15","Opening":"English, 1...Nf6 (Anglo-Indian defense)","Movetext":"1. c4 Nf6","NMoves":1,"LAN":"c2c4 g8f6"}
{"ECO":"A15","Opening":"English orang-utan","Movetext":"1. c4 Nf6 2. b4","NMoves":2,"LAN":"c2c4 g8f6 b2b4"}
{"ECO":"A15","Opening":"English opening","Movetext":"1. c4 Nf6 2. Nf3","NMoves":2,"LAN":"c2c4 g8f6 g1f3"}
{"ECO":"A16","Opening":"English opening","Movetext":"1. c4 Nf6 2. Nc3","NMoves":2,"LAN":"c2c4 g8f6 b1c3"}
{"ECO":"A16","Opening":"English","Variation":"Anglo-Gruenfeld defense","Movetext":"1. c4 Nf6 2. Nc3 d5","NMoves":2,"LAN":"c2c4 g8f6 b1c3 d7d5"}
{"ECO":"A16","Opening":"English","Variation":"Anglo-Gruenfeld, Smyslov defense","Movetext":"1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3","NMoves":5,"LAN":"c2c4 g8f6 b1c3 d7d5 c4d5 f6d5 g2g3 g7g6 f1g2 d5c3"}
{"ECO":"A16","Opening":"English","Variation":"Anglo-Gruenfeld, Czech defense","Movetext":"1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6","NMoves":5,"LAN":"c2c4 g8f6 b1c3 d7d5 c4d5 f6d5 g2g3 g7g6 f1g2 d5b6"}
{"ECO":"A16","Opening":"English","Variation":"Anglo-Gruenfeld defense","Movetext":"1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3","NMoves":4,"LAN":"c2c4 g8f6 b1c3 d7d5 c4d5 f6d5 g1f3"}
{"ECO":"A16","Opening":"English","Variation":"Anglo-Gruenfeld defense, Korchnoi variation","Movetext":"1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 5. g3 Bg7 6. Bg2 e5","NMoves":6,"LAN":"c2c4 g8f6 b1c3 d7d5 c4d5 f6d5 g1f3 g7g6 g2g3 f8g7 f1g2 e7e5"}
{"ECO":"A17","Opening":"English opening","Movetext":"1. c4 Nf6 2. Nc3 e6","NMoves":2,"LAN":"c2c4 g8f6 b1c3 e7e6"}
{"ECO":"A17","Opening":"English","Variation":"Queens Indian formation","Movetext":"1. c4 Nf6 2. Nc3 e6 3. Nf3 b6","NMoves":3,"LAN":"c2c4 g8f6 b1c3 e7e6 g1f3 b7b6"}
{"ECO":"A17","Opening":"English","Variation":"Queens Indian, Romanishin variation","Movetext":"1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. e4 Bb7 5. Bd3","NMoves":5,"LAN":"c2c4 g8f6 b1c3 e7e6 g1f3 b7b6 e2e4 c8b7 f1d3"}
{"ECO":"A17","Opening":"English","Variation":"Nimzo-English opening","Movetext":"1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4","NMoves":3,"LAN":"c2c4 g8f6 b1c3 e7e6 g1f3 f8b4"}
{"ECO":"A18","Opening":"English","Variation":"Mikenas-Carls variation","Movetext":"1. c4 Nf6 2. Nc3 e6 3. e4","NMoves":3,"LAN":"c2c4 g8f6 b1c3 e7e6 e2e4"}
{"ECO":"A18","Opening":"English","Variation":"Mikenas-Carls, Flohr variation","Movetext":"1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5","NMoves":4,"LAN":"c2c4 g8f6 b1c3 e7e6 e2e4 d7d5 e4e5"}
{"ECO":"A18","Opening":"English","Variation":"Mikenas-Carls, Kevitz variation","Movetext":"1. c4 Nf6 2. Nc3 e6 3. e4 Nc6","NMoves":3,"LAN":"c2c4 g8f6 b1c3 e7e6 e2e4 b8c6"}
{"ECO":"A19","Opening":"English","Variation":"Mikenas-Carls, Sicilian variation","Movetext":"1. c4 Nf6 2. Nc3 e6 3. e4 c5","NMoves":3,"LAN":"c2c4 g8f6 b1c3 e7e6 e2e4 c7c5"}
{"ECO":"A20","Opening":"English opening","Movetext":"1. c4 e5","NMoves":1,"LAN":"c2c4 e7e5"}
{"ECO":"A20","Opening":"English, Nimzovich variation","Movetext":"1. c4 e5 2. Nf3","NMoves":2,"LAN":"c2c4 e7e5 g1f3"}
{"ECO":"A20","Opening":"English, Nimzovich, Flohr variation","Movetext":"1. c4 e5 2. Nf3 e4","NMoves":2,"LAN":"c2c4 e7e5 g1f3 e5e4"}
{"ECO":"A21","Opening":"English opening","Movetext":"1. c4 e5 2. Nc3","NMoves":2,"LAN":"c2c4 e7e5 b1c3"}
{"ECO":"A21","Opening":"English, Troeger defence","Movetext":"1. c4 e5 2. Nc3 d6 3. g3 Be6 4. Bg2 Nc6","NMoves":4,"LAN":"c2c4 e7e5 b1c3 d7d6 g2g3 c8e6 f1g2 b8c6"}
{"ECO":"A21","Opening":"English, Keres variation","Movetext":"1. c4 e5 2. Nc3 d6 3. g3 c6","NMoves":3,"LAN":"c2c4 e7e5 b1c3 d7d6 g2g3 c7c6"}
{"ECO":"A21","Opening":"English opening","Movetext":"1. c4 e5 2. Nc3 d6 3. Nf3","NMoves":3,"LAN":"c2c4 e7e5 b1c3 d7d6 g1f3"}
{"ECO":"A21","Opening":"English, Smyslov defence","Movetext":"1. c4 e5 2. Nc3 d6 3. Nf3 Bg4","NMoves":3,"LAN":"c2c4 e7e5 b1c3 d7d6 g1f3 c8g4"}
{"ECO":"A21","Opening":"English, Kramnik-Shirov counterattack","Movetext":"1. c4 e5 2. Nc3 Bb4","NMoves":2,"LAN":"c2c4 e7e5 b1c3 f8b4"}
{"ECO":"A22","Opening":"English opening","Movetext":"1. c4 e5 2. Nc3 Nf6","NMoves":2,"LAN":"c2c4 e7e5 b1c3 g8f6"}
{"ECO":"A22","Opening":"English","Variation":"Bellon gambit","Movetext":"1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 b5","NMoves":4,"LAN":"c2c4 e7e5 b1c3 g8f6 g1f3 e5e4 f3g5 b7b5"}
{"ECO":"A22","Opening":"English","Variation":"Carls' Bremen system","Movetext":"1. c4 e5 2. Nc3 Nf6 3. g3","NMoves":3,"LAN":"c2c4 e7e5 b1c3 g8f6 g2g3"}
{"ECO":"A22","Opening":"English","Variation":"Bremen, reverse dragon","Movetext":"1. c4 e5 2. Nc3 Nf6 3. g3 d5","NMoves":3,"LAN":"c2c4 e7e5 b1c3 g8f6 g2g3 d7d5"}
{"ECO":"A22","Opening":"English","Variation":"Bremen, Smyslov system","Movetext":"1. c4 e5 2. Nc3 Nf6 3. g3 Bb4","NMoves":3,"LAN":"c2c4 e7e5 b1c3 g8f6 g2g3 f8b4"}
{"ECO":"A23","Opening":"English","Variation":"Bremen system, Keres variation","Movetext":"1. c4 e5 2. Nc3 Nf6 3. g3 c6","NMoves":3,"LAN":"c2c4 e7e5 b1c3 g8f6 g2g3 c7c6"}
{"ECO":"A24","Opening":"English","Variation":"Bremen system with ...g6","Movetext":"1. c4 e5 2. Nc3 Nf6 3. g3 g6","NMoves":3,"LAN":"c2c4 e7e5 b1c3 g8f6 g2g3 g7g6"}
{"ECO":"A25","Opening":"English","Variation":"Sicilian reversed","Movetext":"1. c4 e5 2. Nc3 Nc6","NMoves":2,"LAN":"c2c4 e7e5 b1c3 b8c6"}
{"ECO":"A25","Opening":"English","Variation":"closed system","Movetext":"1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7","NMoves":4,"LAN":"c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7"}
{"ECO":"A25","Opening":"English","Variation":"closed, Taimanov variation","Movetext":"1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nh6","NMoves":6,"LAN":"c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 e2e3 d7d6 g1e2 g8h6"}
{"ECO":"A25","Opening":"English","Variation":"closed, Hort variation","Movetext":"1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Be6","NMoves":6,"LAN":"c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 e2e3 d7d6 g1e2 c8e6"}
{"ECO":"A25","Opening":"English","Variation":"closed, 5.Rb1","Movetext":"1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1","NMoves":5,"LAN":"c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 a1b1"}
{"ECO":"A25","Opening":"English","Variation":"closed, 5.Rb1 Taimanov variation","Movetext":"1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 Nh6","NMoves":5,"LAN":"c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 a1b1 g8h6"}
{"ECO":"A25","Opening":"English","Variation":"closed system (without ...d6)","Movetext":"1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3","NMoves":5,"LAN":"c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3"}
{"ECO":"A26","Opening":"English","Variation":"closed system","Movetext":"1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6","NMoves":5,"LAN":"c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6"}
{"ECO":"A26","Opening":"English","Variation":"Botvinnik system","Movetext":"1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. e4","NMoves":6,"LAN":"c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 e2e4"}
{"ECO":"A27","Opening":"English","Variation":"three knights system","Movetext":"1. c4 e5 2. Nc3 Nc6 3. Nf3","NMoves":3,"LAN":"c2c4 e7e5 b1c3 b8c6 g1f3"}
{"ECO":"A28","Opening":"English","Variation":"four knights system","Movetext":"1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6","NMoves":3,"LAN":"c2c4 e7e5 b1c3 b8c6 g1f3 g8f6"}
{"ECO":"A28","Opening":"English","Variation":"Nenarokov variation","Movetext":"1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Bg5 h6 7. Bh4 Bxc3+ 8. bxc3 Ne5","NMoves":8,"LAN":"c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 d2d4 e5d4 f3d4 f8b4 c1g5 h7h6 g5h4 b4c3 b2c3 c6e5"}
{"ECO":"A28","Opening":"English","Variation":"Bradley Beach variation","Movetext":"1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 e4","NMoves":4,"LAN":"c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 d2d4 e5e4"}
{"ECO":"A28","Opening":"English","Variation":"four knights, Nimzovich variation","Movetext":"1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e4","NMoves":4,"LAN":"c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 e2e4"}
{"ECO":"A28","Opening":"English","Variation":"four knights, Marini variation","Movetext":"1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. a3","NMoves":4,"LAN":"c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 a2a3"}
{"ECO":"A28","Opening":"English","Variation":"four knights, Capablanca variation","Movetext":"1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. d3","NMoves":4,"LAN":"c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 d2d3"}
{"ECO":"A28","Opening":"English","Variation":"four knights, 4.e3","Movetext":"1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3","NMoves":4,"LAN":"c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 e2e3"}
{"ECO":"A28","Opening":"English","Variation":"four knights, Stean variation","Movetext":"1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 Bb4 5. Qc2 O-O 6. Nd5 Re8 7. Qf5","NMoves":7,"LAN":"c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 e2e3 f8b4 d1c2 e8g8 c3d5 f8e8 c2f5"}
{"ECO":"A28","Opening":"English","Variation":"four knights, Romanishin variation","Movetext":"1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 Bb4 5. Qc2 Bxc3","NMoves":5,"LAN":"c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 e2e3 f8b4 d1c2 b4c3"}
{"ECO":"A29","Opening":"English","Variation":"four knights, kingside fianchetto","Movetext":"1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3","NMoves":4,"LAN":"c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 g2g3"}
{"ECO":"A30","Opening":"English","Variation":"symmetrical variation","Movetext":"1. c4 c5","NMoves":1,"LAN":"c2c4 c7c5"}
{"ECO":"A30","Opening":"English","Variation":"symmetrical, hedgehog system","Movetext":"1. c4 c5 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7","NMoves":6,"LAN":"c2c4 c7c5 g1f3 g8f6 g2g3 b7b6 f1g2 c8b7 e1g1 e7e6 b1c3 f8e7"}
{"ECO":"A30","Opening":"English","Variation":"symmetrical, hedgehog, flexible formation","Movetext":"1. c4 c5 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 a6 10. b3 Nbd7","NMoves":10,"LAN":"c2c4 c7c5 g1f3 g8f6 g2g3 b7b6 f1g2 c8b7 e1g1 e7e6 b1c3 f8e7 d2d4 c5d4 d1d4 d7d6 f1d1 a7a6 b2b3 b8d7"}
{"ECO":"A31","Opening":"English","Variation":"symmetrical, Benoni formation","Movetext":"1. c4 c5 2. Nf3 Nf6 3. d4","NMoves":3,"LAN":"c2c4 c7c5 g1f3 g8f6 d2d4"}
{"ECO":"A32","Opening":"English","Variation":"symmetrical variation","Movetext":"1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6","NMoves":4,"LAN":"c2c4 c7c5 g1f3 g8f6 d2d4 c5d4 f3d4 e7e6"}
{"ECO":"A33","Opening":"English","Variation":"symmetrical variation","Movetext":"1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Nc6","NMoves":5,"LAN":"c2c4 c7c5 g1f3 g8f6 d2d4 c5d4 f3d4 e7e6 b1c3 b8c6"}
{"ECO":"A33","Opening":"English","Variation":"symmetrical, Geller variation","Movetext":"1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Nc6 6. g3 Qb6","NMoves":6,"LAN":"c2c4 c7c5 g1f3 g8f6 d2d4 c5d4 f3d4 e7e6 b1c3 b8c6 g2g3 d8b6"}
{"ECO":"A34","Opening":"English","Variation":"symmetrical variation","Movetext":"1. c4 c5 2. Nc3","NMoves":2,"LAN":"c2c4 c7c5 b1c3"}
{"ECO":"A34","Opening":"English","Variation":"symmetrical, three knights system","Movetext":"1. c4 c5 2. Nc3 Nf6 3. Nf3 d5 4. cxd5 Nxd5","NMoves":4,"LAN":"c2c4 c7c5 b1c3 g8f6 g1f3 d7d5 c4d5 f6d5"}
{"ECO":"A34","Opening":"English","Variation":"symmetrical variation","Movetext":"1. c4 c5 2. Nc3 Nf6 3. g3","NMoves":3,"LAN":"c2c4 c7c5 b1c3 g8f6 g2g3"}
{"ECO":"A34","Opening":"English","Variation":"symmetrical, Rubinstein system","Movetext":"1. c4 c5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7","NMoves":5,"LAN":"c2c4 c7c5 b1c3 g8f6 g2g3 d7d5 c4d5 f6d5 f1g2 d5c7"}
{"ECO":"A35","Opening":"English","Variation":"symmetrical variation","Movetext":"1. c4 c5 2. Nc3 Nc6","NMoves":2,"LAN":"c2c4 c7c5 b1c3 b8c6"}
{"ECO":"A35","Opening":"English","Variation":"symmetrical, four knights system","Movetext":"1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6","NMoves":3,"LAN":"c2c4 c7c5 b1c3 b8c6 g1f3 g8f6"}
{"ECO":"A36","Opening":"English","Variation":"symmetrical variation","Movetext":"1. c4 c5 2. Nc3 Nc6 3. g3","NMoves":3,"LAN":"c2c4 c7c5 b1c3 b8c6 g2g3"}
{"ECO":"A36","Opening":"English","Variation":"ultra-symmetrical variation","Movetext":"1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7","NMoves":4,"LAN":"c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7"}
{"ECO":"A36","Opening":"English","Variation":"symmetrical, Botvinnik system reversed","Movetext":"1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 e5","NMoves":5,"LAN":"c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 e2e3 e7e5"}
{"ECO":"A36","Opening":"English","Variation":"symmetrical, Botvinnik system","Movetext":"1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4","NMoves":5,"LAN":"c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 e2e4"}
{"ECO":"A37","Opening":"English","Variation":"symmetrical variation","Movetext":"1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3","NMoves":5,"LAN":"c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3"}
{"ECO":"A37","Opening":"English","Variation":"symmetrical, Botvinnik system reversed","Movetext":"1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5","NMoves":5,"LAN":"c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 e7e5"}
{"ECO":"A38","Opening":"English","Variation":"symmetrical variation","Movetext":"1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6","NMoves":5,"LAN":"c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 g8f6"}
{"ECO":"A38","Opening":"English","Variation":"symmetrical, main line with d3","Movetext":"1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. O-O O-O 7. d3","NMoves":7,"LAN":"c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 g8f6 e1g1 e8g8 d2d3"}
{"ECO":"A38","Opening":"English","Variation":"symmetrical, main line with b3","Movetext":"1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. O-O O-O 7. b3","NMoves":7,"LAN":"c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 g8f6 e1g1 e8g8 b2b3"}
{"ECO":"A39","Opening":"English","Variation":"symmetrical, main line with d4","Movetext":"1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. O-O O-O 7. d4","NMoves":7,"LAN":"c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 g8f6 e1g1 e8g8 d2d4"}
{"ECO":"A40","Opening":"Queen's pawn","Movetext":"1. d4","NMoves":1,"LAN":"d2d4"}
{"ECO":"A40","Opening":"Queen's pawn","Variation":"Lundin (Kevitz-Mikenas) defence","Movetext":"1. d4 Nc6","NMoves":1,"LAN":"d2d4 b8c6"}
{"ECO":"A40","Opening":"Queen's pawn","Variation":"Charlick (Englund) gambit","Movetext":"1. d4 e5","NMoves":1,"LAN":"d2d4 e7e5"}
{"ECO":"A40","Opening":"Queen's pawn","Variation":"Englund gambit","Movetext":"1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Qd5 f6 5. exf6 Nxf6","NMoves":5,"LAN":"d2d4 e7e5 d4e5 b8c6 g1f3 d8e7 d1d5 f7f6 e5f6 g8f6"}
{"ECO":"A40","Opening":"Queen's pawn","Variation":"English defence","Movetext":"1. d4 b6","NMoves":1,"LAN":"d2d4 b7b6"}
{"ECO":"A40","Opening":"Polish defence","Movetext":"1. d4 b5","NMoves":1,"LAN":"d2d4 b7b5"}
{"ECO":"A40","Opening":"Queen's pawn","Movetext":"1. d4 e6","NMoves":1,"LAN":"d2d4 e7e6"}
{"ECO":"A40","Opening":"Queen's pawn","Variation":"Keres defence","Movetext":"1. d4 e6 2. c4 b6","NMoves":2,"LAN":"d2d4 e7e6 c2c4 b7b6"}
{"ECO":"A40","Opening":"Queen's pawn","Variation":"Franco-Indian (Keres) defence","Movetext":"1. d4 e6 2. c4 Bb4+","NMoves":2,"LAN":"d2d4 e7e6 c2c4 f8b4"}
{"ECO":"A40","Opening":"Modern defence","Movetext":"1. d4 g6","NMoves":1,"LAN":"d2d4 g7g6"}
{"ECO":"A40","Opening":"Beefeater defence","Movetext":"1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 f5","NMoves":5,"LAN":"d2d4 g7g6 c2c4 f8g7 b1c3 c7c5 d4d5 g7c3 b2c3 f7f5"}
{"ECO":"A41","Opening":"Queen's Pawn","Movetext":"1. d4 d6","NMoves":1,"LAN":"d2d4 d7d6"}
{"ECO":"A41","Opening":"Old Indian","Variation":"Tartakower (Wade) variation","Movetext":"1. d4 d6 2. Nf3 Bg4","NMoves":2,"LAN":"d2d4 d7d6 g1f3 c8g4"}
{"ECO":"A41","Opening":"Old Indian defence","Movetext":"1. d4 d6 2. c4","NMoves":2,"LAN":"d2d4 d7d6 c2c4"}
{"ECO":"A41","Opening":"Modern defence","Movetext":"1. d4 d6 2. c4 g6 3. Nc3 Bg7","NMoves":3,"LAN":"d2d4 d7d6 c2c4 g7g6 b1c3 f8g7"}
{"ECO":"A41","Opening":"Robatsch defence","Variation":"Rossolimo variation","Movetext":"1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c4 Bg4","NMoves":4,"LAN":"e2e4 g7g6 d2d4 f8g7 g1f3 d7d6 c2c4 c8g4"}
{"ECO":"A42","Opening":"Modern defence","Variation":"Averbakh system","Movetext":"1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4","NMoves":4,"LAN":"d2d4 d7d6 c2c4 g7g6 b1c3 f8g7 e2e4"}
{"ECO":"A42","Opening":"Pterodactyl defence","Movetext":"1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4 c5 5. Nf3 Qa5","NMoves":5,"LAN":"d2d4 d7d6 c2c4 g7g6 b1c3 f8g7 e2e4 c7c5 g1f3 d8a5"}
{"ECO":"A42","Opening":"Modern defence","Variation":"Averbakh system, Randspringer variation","Movetext":"1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4 f5","NMoves":4,"LAN":"d2d4 d7d6 c2c4 g7g6 b1c3 f8g7 e2e4 f7f5"}
{"ECO":"A42","Opening":"Modern defence","Variation":"Averbakh system, Kotov variation","Movetext":"1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4 Nc6","NMoves":4,"LAN":"d2d4 d7d6 c2c4 g7g6 b1c3 f8g7 e2e4 b8c6"}
{"ECO":"A43","Opening":"Old Benoni defence","Movetext":"1. d4 c5","NMoves":1,"LAN":"d2d4 c7c5"}
{"ECO":"A43","Opening":"Old Benoni","Variation":"Franco-Benoni defence","Movetext":"1. d4 c5 2. d5 e6 3. e4","NMoves":3,"LAN":"d2d4 c7c5 d4d5 e7e6 e2e4"}
{"ECO":"A43","Opening":"Old Benoni","Variation":"Mujannah formation","Movetext":"1. d4 c5 2. d5 f5","NMoves":2,"LAN":"d2d4 c7c5 d4d5 f7f5"}
{"ECO":"A43","Opening":"Old Benoni defence","Movetext":"1. d4 c5 2. d5 Nf6","NMoves":2,"LAN":"d2d4 c7c5 d4d5 g8f6"}
{"ECO":"A43","Opening":"Woozle defence","Movetext":"1. d4 c5 2. d5 Nf6 3. Nc3 Qa5","NMoves":3,"LAN":"d2d4 c7c5 d4d5 g8f6 b1c3 d8a5"}
{"ECO":"A43","Opening":"Old Benoni defence","Movetext":"1. d4 c5 2. d5 Nf6 3. Nf3","NMoves":3,"LAN":"d2d4 c7c5 d4d5 g8f6 g1f3"}
{"ECO":"A43","Opening":"Hawk (Habichd) defence","Movetext":"1. d4 c5 2. d5 Nf6 3. Nf3 c4","NMoves":3,"LAN":"d2d4 c7c5 d4d5 g8f6 g1f3 c5c4"}
{"ECO":"A43","Opening":"Old Benoni defence","Movetext":"1. d4 c5 2. d5 d6","NMoves":2,"LAN":"d2d4 c7c5 d4d5 d7d6"}
{"ECO":"A43","Opening":"Old Benoni","Variation":"Schmid's system","Movetext":"1. d4 c5 2. d5 d6 3. Nc3 g6","NMoves":3,"LAN":"d2d4 c7c5 d4d5 d7d6 b1c3 g7g6"}
{"ECO":"A44","Opening":"Old Benoni defence","Movetext":"1. d4 c5 2. d5 e5","NMoves":2,"LAN":"d2d4 c7c5 d4d5 e7e5"}
{"ECO":"A44","Opening":"Semi-Benoni (`blockade variation')","Movetext":"1. d4 c5 2. d5 e5 3. e4 d6","NMoves":3,"LAN":"d2d4 c7c5 d4d5 e7e5 e2e4 d7d6"}
{"ECO":"A45","Opening":"Queen's pawn game","Movetext":"1. d4 Nf6","NMoves":1,"LAN":"d2d4 g8f6"}
{"ECO":"A45","Opening":"Queen's pawn","Variation":"Bronstein gambit","Movetext":"1. d4 Nf6 2. g4","NMoves":2,"LAN":"d2d4 g8f6 g2g4"}
{"ECO":"A45","Opening":"Canard opening","Movetext":"1. d4 Nf6 2. f4","NMoves":2,"LAN":"d2d4 g8f6 f2f4"}
{"ECO":"A45","Opening":"Paleface attack","Movetext":"1. d4 Nf6 2. f3","NMoves":2,"LAN":"d2d4 g8f6 f2f3"}
{"ECO":"A45","Opening":"Blackmar-Diemer gambit","Movetext":"1. d4 Nf6 2. f3 d5 3. e4","NMoves":3,"LAN":"d2d4 g8f6 f2f3 d7d5 e2e4"}
{"ECO":"A45","Opening":"Gedult attack","Movetext":"1. d4 Nf6 2. f3 d5 3. g4","NMoves":3,"LAN":"d2d4 g8f6 f2f3 d7d5 g2g4"}
{"ECO":"A45","Opening":"Trompovsky attack (Ruth, Opovcensky opening)","Movetext":"1. d4 Nf6 2. Bg5","NMoves":2,"LAN":"d2d4 g8f6 c1g5"}
{"ECO":"A46","Opening":"Queen's pawn game","Movetext":"1. d4 Nf6 2. Nf3","NMoves":2,"LAN":"d2d4 g8f6 g1f3"}
{"ECO":"A46","Opening":"Queen's pawn","Variation":"Torre attack","Movetext":"1. d4 Nf6 2. Nf3 e6 3. Bg5","NMoves":3,"LAN":"d2d4 g8f6 g1f3 e7e6 c1g5"}
{"ECO":"A46","Opening":"Queen's pawn","Variation":"Torre attack, Wagner gambit","Movetext":"1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e4","NMoves":4,"LAN":"d2d4 g8f6 g1f3 e7e6 c1g5 c7c5 e2e4"}
{"ECO":"A46","Opening":"Queen's pawn","Variation":"Yusupov-Rubinstein system","Movetext":"1. d4 Nf6 2. Nf3 e6 3. e3","NMoves":3,"LAN":"d2d4 g8f6 g1f3 e7e6 e2e3"}
{"ECO":"A46","Opening":"Doery defence","Movetext":"1. d4 Nf6 2. Nf3 Ne4","NMoves":2,"LAN":"d2d4 g8f6 g1f3 f6e4"}
{"ECO":"A47","Opening":"Queen's Indian defence","Movetext":"1. d4 Nf6 2. Nf3 b6","NMoves":2,"LAN":"d2d4 g8f6 g1f3 b7b6"}
{"ECO":"A47","Opening":"Queen's Indian","Variation":"Marienbad system","Movetext":"1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5","NMoves":4,"LAN":"d2d4 g8f6 g1f3 b7b6 g2g3 c8b7 f1g2 c7c5"}
{"ECO":"A47","Opening":"Queen's Indian","Variation":"Marienbad system, Berg variation","Movetext":"1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 5. c4 cxd4 6. Qxd4","NMoves":6,"LAN":"d2d4 g8f6 g1f3 b7b6 g2g3 c8b7 f1g2 c7c5 c2c4 c5d4 d1d4"}
{"ECO":"A48","Opening":"King's Indian","Variation":"East Indian defence","Movetext":"1. d4 Nf6 2. Nf3 g6","NMoves":2,"LAN":"d2d4 g8f6 g1f3 g7g6"}
{"ECO":"A48","Opening":"King's Indian","Variation":"Torre attack","Movetext":"1. d4 Nf6 2. Nf3 g6 3. Bg5","NMoves":3,"LAN":"d2d4 g8f6 g1f3 g7g6 c1g5"}
{"ECO":"A48","Opening":"King's Indian","Variation":"London system","Movetext":"1. d4 Nf6 2. Nf3 g6 3. Bf4","NMoves":3,"LAN":"d2d4 g8f6 g1f3 g7g6 c1f4"}
{"ECO":"A49","Opening":"King's Indian","Variation":"fianchetto without c4","Movetext":"1. d4 Nf6 2. Nf3 g6 3. g3","NMoves":3,"LAN":"d2d4 g8f6 g1f3 g7g6 g2g3"}
{"ECO":"A50","Opening":"Queen's pawn game","Movetext":"1. d4 Nf6 2. c4","NMoves":2,"LAN":"d2d4 g8f6 c2c4"}
{"ECO":"A50","Opening":"Kevitz-Trajkovich defence","Movetext":"1. d4 Nf6 2. c4 Nc6","NMoves":2,"LAN":"d2d4 g8f6 c2c4 b8c6"}
{"ECO":"A50","Opening":"Queen's Indian accelerated","Movetext":"1. d4 Nf6 2. c4 b6","NMoves":2,"LAN":"d2d4 g8f6 c2c4 b7b6"}
{"ECO":"A51","Opening":"Budapest defence declined","Movetext":"1. d4 Nf6 2. c4 e5","NMoves":2,"LAN":"d2d4 g8f6 c2c4 e7e5"}
{"ECO":"A51","Opening":"Budapest","Variation":"Fajarowicz variation","Movetext":"1. d4 Nf6 2. c4 e5 3. dxe5 Ne4","NMoves":3,"LAN":"d2d4 g8f6 c2c4 e7e5 d4e5 f6e4"}
{"ECO":"A51","Opening":"Budapest","Variation":"Fajarowicz, Steiner variation","Movetext":"1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. Qc2","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e5 d4e5 f6e4 d1c2"}
{"ECO":"A52","Opening":"Budapest defence","Movetext":"1. d4 Nf6 2. c4 e5 3. dxe5 Ng4","NMoves":3,"LAN":"d2d4 g8f6 c2c4 e7e5 d4e5 f6g4"}
{"ECO":"A52","Opening":"Budapest","Variation":"Adler variation","Movetext":"1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e5 d4e5 f6g4 g1f3"}
{"ECO":"A52","Opening":"Budapest","Variation":"Rubinstein variation","Movetext":"1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e5 d4e5 f6g4 c1f4"}
{"ECO":"A52","Opening":"Budapest","Variation":"Alekhine variation","Movetext":"1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e5 d4e5 f6g4 e2e4"}
{"ECO":"A52","Opening":"Budapest","Variation":"Alekhine, Abonyi variation","Movetext":"1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 Nxe5 5. f4 Nec6","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e5 d4e5 f6g4 e2e4 g4e5 f2f4 e5c6"}
{"ECO":"A52","Opening":"Budapest","Variation":"Alekhine variation, Balogh gambit","Movetext":"1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 d6","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e5 d4e5 f6g4 e2e4 d7d6"}
{"ECO":"A53","Opening":"Old Indian defence","Movetext":"1. d4 Nf6 2. c4 d6","NMoves":2,"LAN":"d2d4 g8f6 c2c4 d7d6"}
{"ECO":"A53","Opening":"Old Indian","Variation":"Janowski variation","Movetext":"1. d4 Nf6 2. c4 d6 3. Nc3 Bf5","NMoves":3,"LAN":"d2d4 g8f6 c2c4 d7d6 b1c3 c8f5"}
{"ECO":"A54","Opening":"Old Indian","Variation":"Ukrainian variation","Movetext":"1. d4 Nf6 2. c4 d6 3. Nc3 e5","NMoves":3,"LAN":"d2d4 g8f6 c2c4 d7d6 b1c3 e7e5"}
{"ECO":"A54","Opening":"Old Indian","Variation":"Dus-Khotimirsky variation","Movetext":"1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. e3 Nbd7 5. Bd3","NMoves":5,"LAN":"d2d4 g8f6 c2c4 d7d6 b1c3 e7e5 e2e3 b8d7 f1d3"}
{"ECO":"A54","Opening":"Old Indian","Variation":"Ukrainian variation, 4.Nf3","Movetext":"1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3","NMoves":4,"LAN":"d2d4 g8f6 c2c4 d7d6 b1c3 e7e5 g1f3"}
{"ECO":"A55","Opening":"Old Indian","Variation":"main line","Movetext":"1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4","NMoves":5,"LAN":"d2d4 g8f6 c2c4 d7d6 b1c3 e7e5 g1f3 b8d7 e2e4"}
{"ECO":"A56","Opening":"Benoni defence","Movetext":"1. d4 Nf6 2. c4 c5","NMoves":2,"LAN":"d2d4 g8f6 c2c4 c7c5"}
{"ECO":"A56","Opening":"Benoni defence, Hromodka system","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 d6","NMoves":3,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 d7d6"}
{"ECO":"A56","Opening":"Vulture defence","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 Ne4","NMoves":3,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 f6e4"}
{"ECO":"A56","Opening":"Czech Benoni defence","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e5","NMoves":3,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e5"}
{"ECO":"A56","Opening":"Czech Benoni","Variation":"King's Indian system","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6","NMoves":5,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e5 b1c3 d7d6 e2e4 g7g6"}
{"ECO":"A57","Opening":"Benko gambit","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 b5","NMoves":3,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 b7b5"}
{"ECO":"A57","Opening":"Benko gambit half accepted","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6","NMoves":4,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6"}
{"ECO":"A57","Opening":"Benko gambit","Variation":"Zaitsev system","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3","NMoves":5,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b1c3"}
{"ECO":"A57","Opening":"Benko gambit","Variation":"Nescafe Frappe attack","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. e4 b4 7. Nb5 d6 8. Bc4","NMoves":8,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b1c3 a6b5 e2e4 b5b4 c3b5 d7d6 f1c4"}
{"ECO":"A58","Opening":"Benko gambit accepted","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6","NMoves":5,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6"}
{"ECO":"A58","Opening":"Benko gambit","Variation":"Nd2 variation","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. Nd2","NMoves":8,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6 g1f3 g7g6 f3d2"}
{"ECO":"A58","Opening":"Benko gambit","Variation":"fianchetto variation","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. g3","NMoves":8,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6 g1f3 g7g6 g2g3"}
{"ECO":"A59","Opening":"Benko gambit","Variation":"7.e4","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4","NMoves":7,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6 e2e4"}
{"ECO":"A59","Opening":"Benko gambit","Variation":"Ne2 variation","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 Bxf1 8. Kxf1 g6 9. Nge2","NMoves":9,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6 e2e4 a6f1 e1f1 g7g6 g1e2"}
{"ECO":"A59","Opening":"Benko gambit","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 Bxf1 8. Kxf1 g6 9. g3","NMoves":9,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6 e2e4 a6f1 e1f1 g7g6 g2g3"}
{"ECO":"A59","Opening":"Benko gambit","Variation":"main line","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 Bxf1 8. Kxf1 g6 9. g3 Bg7 10. Kg2 O-O 11. Nf3","NMoves":11,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6 e2e4 a6f1 e1f1 g7g6 g2g3 f8g7 f1g2 e8g8 g1f3"}
{"ECO":"A60","Opening":"Benoni defence","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6","NMoves":3,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6"}
{"ECO":"A61","Opening":"Benoni defence","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6","NMoves":6,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6"}
{"ECO":"A61","Opening":"Benoni","Variation":"Uhlmann variation","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Bg5","NMoves":7,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6 c1g5"}
{"ECO":"A61","Opening":"Benoni","Variation":"Nimzovich (knight's tour) variation","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Nd2","NMoves":7,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6 f3d2"}
{"ECO":"A61","Opening":"Benoni","Variation":"fianchetto variation","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3","NMoves":7,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6 g2g3"}
{"ECO":"A62","Opening":"Benoni","Variation":"fianchetto variation","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O","NMoves":8,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6 g2g3 f8g7 f1g2 e8g8"}
{"ECO":"A63","Opening":"Benoni","Variation":"fianchetto, 9...Nbd7","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Nbd7","NMoves":9,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6 g2g3 f8g7 f1g2 e8g8 e1g1 b8d7"}
{"ECO":"A64","Opening":"Benoni","Variation":"fianchetto, 11...Re8","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Nbd7 10. Nd2 a6 11. a4 Re8","NMoves":11,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6 g2g3 f8g7 f1g2 e8g8 e1g1 b8d7 f3d2 a7a6 a2a4 f8e8"}
{"ECO":"A65","Opening":"Benoni","Variation":"6.e4","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4","NMoves":6,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4"}
{"ECO":"A66","Opening":"Benoni","Variation":"pawn storm variation","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4","NMoves":7,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 f2f4"}
{"ECO":"A66","Opening":"Benoni","Variation":"Mikenas variation","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. e5","NMoves":8,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 f2f4 f8g7 e4e5"}
{"ECO":"A67","Opening":"Benoni","Variation":"Taimanov variation","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+","NMoves":8,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 f2f4 f8g7 f1b5"}
{"ECO":"A68","Opening":"Benoni","Variation":"four pawns attack","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O","NMoves":8,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 f2f4 f8g7 g1f3 e8g8"}
{"ECO":"A69","Opening":"Benoni","Variation":"four pawns attack, main line","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Be2 Re8","NMoves":9,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 f2f4 f8g7 g1f3 e8g8 f1e2 f8e8"}
{"ECO":"A70","Opening":"Benoni","Variation":"classical with e4 and Nf3","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3","NMoves":7,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3"}
{"ECO":"A70","Opening":"Benoni","Variation":"classical without 9.O-O","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2","NMoves":8,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 f1e2"}
{"ECO":"A71","Opening":"Benoni","Variation":"classical, 8.Bg5","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bg5","NMoves":8,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 c1g5"}
{"ECO":"A72","Opening":"Benoni","Variation":"classical without 9.O-O","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O","NMoves":8,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 f1e2 e8g8"}
{"ECO":"A73","Opening":"Benoni","Variation":"classical, 9.O-O","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O","NMoves":9,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 f1e2 e8g8 e1g1"}
{"ECO":"A74","Opening":"Benoni","Variation":"classical, 9...a6, 10.a4","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O a6 10. a4","NMoves":10,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 f1e2 e8g8 e1g1 a7a6 a2a4"}
{"ECO":"A75","Opening":"Benoni","Variation":"classical with ...a6 and 10...Bg4","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O a6 10. a4 Bg4","NMoves":10,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 f1e2 e8g8 e1g1 a7a6 a2a4 c8g4"}
{"ECO":"A76","Opening":"Benoni","Variation":"classical, 9...Re8","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8","NMoves":9,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 f1e2 e8g8 e1g1 f8e8"}
{"ECO":"A77","Opening":"Benoni","Variation":"classical, 9...Re8, 10.Nd2","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2","NMoves":10,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 f1e2 e8g8 e1g1 f8e8 f3d2"}
{"ECO":"A78","Opening":"Benoni","Variation":"classical with ...Re8 and ...Na6","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6","NMoves":10,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 f1e2 e8g8 e1g1 f8e8 f3d2 b8a6"}
{"ECO":"A79","Opening":"Benoni","Variation":"classical, 11.f3","Movetext":"1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6 11. f3","NMoves":11,"LAN":"d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 f1e2 e8g8 e1g1 f8e8 f3d2 b8a6 f2f3"}
{"ECO":"A80","Opening":"Dutch","Movetext":"1. d4 f5","NMoves":1,"LAN":"d2d4 f7f5"}
{"ECO":"A80","Opening":"Dutch, Spielmann gambit","Movetext":"1. d4 f5 2. Nc3 Nf6 3. g4","NMoves":3,"LAN":"d2d4 f7f5 b1c3 g8f6 g2g4"}
{"ECO":"A80","Opening":"Dutch, Manhattan (Alapin, Ulvestad) variation","Movetext":"1. d4 f5 2. Qd3","NMoves":2,"LAN":"d2d4 f7f5 d1d3"}
{"ECO":"A80","Opening":"Dutch, Von Pretzel gambit","Movetext":"1. d4 f5 2. Qd3 e6 3. g4","NMoves":3,"LAN":"d2d4 f7f5 d1d3 e7e6 g2g4"}
{"ECO":"A80","Opening":"Dutch, Korchnoi attack","Movetext":"1. d4 f5 2. h3","NMoves":2,"LAN":"d2d4 f7f5 h2h3"}
{"ECO":"A80","Opening":"Dutch, Krejcik gambit","Movetext":"1. d4 f5 2. g4","NMoves":2,"LAN":"d2d4 f7f5 g2g4"}
{"ECO":"A80","Opening":"Dutch, 2.Bg5 variation","Movetext":"1. d4 f5 2. Bg5","NMoves":2,"LAN":"d2d4 f7f5 c1g5"}
{"ECO":"A81","Opening":"Dutch defence","Movetext":"1. d4 f5 2. g3","NMoves":2,"LAN":"d2d4 f7f5 g2g3"}
{"ECO":"A81","Opening":"Dutch defence, Blackburne variation","Movetext":"1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nh3","NMoves":4,"LAN":"d2d4 f7f5 g2g3 g8f6 f1g2 e7e6 g1h3"}
{"ECO":"A81","Opening":"Dutch defence","Movetext":"1. d4 f5 2. g3 Nf6 3. Bg2 g6","NMoves":3,"LAN":"d2d4 f7f5 g2g3 g8f6 f1g2 g7g6"}
{"ECO":"A81","Opening":"Dutch","Variation":"Leningrad, Basman system","Movetext":"1. d4 f5 2. g3 g6 3. Bg2 Bg7 4. Nf3 c6 5. O-O Nh6","NMoves":5,"LAN":"d2d4 f7f5 g2g3 g7g6 f1g2 f8g7 g1f3 c7c6 e1g1 g8h6"}
{"ECO":"A81","Opening":"Dutch","Variation":"Leningrad, Karlsbad variation","Movetext":"1. d4 f5 2. g3 g6 3. Bg2 Bg7 4. Nh3","NMoves":4,"LAN":"d2d4 f7f5 g2g3 g7g6 f1g2 f8g7 g1h3"}
{"ECO":"A82","Opening":"Dutch","Variation":"Staunton gambit","Movetext":"1. d4 f5 2. e4","NMoves":2,"LAN":"d2d4 f7f5 e2e4"}
{"ECO":"A82","Opening":"Dutch","Variation":"Balogh defence","Movetext":"1. d4 f5 2. e4 d6","NMoves":2,"LAN":"d2d4 f7f5 e2e4 d7d6"}
{"ECO":"A82","Opening":"Dutch","Variation":"Staunton gambit","Movetext":"1. d4 f5 2. e4 fxe4","NMoves":2,"LAN":"d2d4 f7f5 e2e4 f5e4"}
{"ECO":"A82","Opening":"Dutch","Variation":"Staunton gambit, Tartakower variation","Movetext":"1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. g4","NMoves":4,"LAN":"d2d4 f7f5 e2e4 f5e4 b1c3 g8f6 g2g4"}
{"ECO":"A83","Opening":"Dutch","Variation":"Staunton gambit, Staunton's line","Movetext":"1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5","NMoves":4,"LAN":"d2d4 f7f5 e2e4 f5e4 b1c3 g8f6 c1g5"}
{"ECO":"A83","Opening":"Dutch","Variation":"Staunton gambit, Alekhine variation","Movetext":"1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. h4","NMoves":5,"LAN":"d2d4 f7f5 e2e4 f5e4 b1c3 g8f6 c1g5 g7g6 h2h4"}
{"ECO":"A83","Opening":"Dutch","Variation":"Staunton gambit, Lasker variation","Movetext":"1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. f3","NMoves":5,"LAN":"d2d4 f7f5 e2e4 f5e4 b1c3 g8f6 c1g5 g7g6 f2f3"}
{"ECO":"A83","Opening":"Dutch","Variation":"Staunton gambit, Chigorin variation","Movetext":"1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 c6","NMoves":4,"LAN":"d2d4 f7f5 e2e4 f5e4 b1c3 g8f6 c1g5 c7c6"}
{"ECO":"A83","Opening":"Dutch","Variation":"Staunton gambit, Nimzovich variation","Movetext":"1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 b6","NMoves":4,"LAN":"d2d4 f7f5 e2e4 f5e4 b1c3 g8f6 c1g5 b7b6"}
{"ECO":"A84","Opening":"Dutch defence","Movetext":"1. d4 f5 2. c4","NMoves":2,"LAN":"d2d4 f7f5 c2c4"}
{"ECO":"A84","Opening":"Dutch defence","Variation":"Bladel variation","Movetext":"1. d4 f5 2. c4 g6 3. Nc3 Nh6","NMoves":3,"LAN":"d2d4 f7f5 c2c4 g7g6 b1c3 g8h6"}
{"ECO":"A84","Opening":"Dutch defence","Movetext":"1. d4 f5 2. c4 e6","NMoves":2,"LAN":"d2d4 f7f5 c2c4 e7e6"}
{"ECO":"A84","Opening":"Dutch defence, Rubinstein variation","Movetext":"1. d4 f5 2. c4 e6 3. Nc3","NMoves":3,"LAN":"d2d4 f7f5 c2c4 e7e6 b1c3"}
{"ECO":"A84","Opening":"Dutch","Variation":"Staunton gambit deferred","Movetext":"1. d4 f5 2. c4 e6 3. e4","NMoves":3,"LAN":"d2d4 f7f5 c2c4 e7e6 e2e4"}
{"ECO":"A84","Opening":"Dutch defence","Movetext":"1. d4 f5 2. c4 Nf6","NMoves":2,"LAN":"d2d4 f7f5 c2c4 g8f6"}
{"ECO":"A85","Opening":"Dutch with c4 & Nc3","Movetext":"1. d4 f5 2. c4 Nf6 3. Nc3","NMoves":3,"LAN":"d2d4 f7f5 c2c4 g8f6 b1c3"}
{"ECO":"A86","Opening":"Dutch with c4 & g3","Movetext":"1. d4 f5 2. c4 Nf6 3. g3","NMoves":3,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3"}
{"ECO":"A86","Opening":"Dutch","Variation":"Hort-Antoshin system","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 d6 4. Bg2 c6 5. Nc3 Qc7","NMoves":5,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 d7d6 f1g2 c7c6 b1c3 d8c7"}
{"ECO":"A86","Opening":"Dutch","Variation":"Leningrad variation","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 g6","NMoves":3,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 g7g6"}
{"ECO":"A87","Opening":"Dutch","Variation":"Leningrad, main variation","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3","NMoves":5,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 g7g6 f1g2 f8g7 g1f3"}
{"ECO":"A88","Opening":"Dutch","Variation":"Leningrad, main variation with c6","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. O-O d6 7. Nc3 c6","NMoves":7,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 g7g6 f1g2 f8g7 g1f3 e8g8 e1g1 d7d6 b1c3 c7c6"}
{"ECO":"A89","Opening":"Dutch","Variation":"Leningrad, main variation with Nc6","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. O-O d6 7. Nc3 Nc6","NMoves":7,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 g7g6 f1g2 f8g7 g1f3 e8g8 e1g1 d7d6 b1c3 b8c6"}
{"ECO":"A90","Opening":"Dutch defence","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2","NMoves":4,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2"}
{"ECO":"A90","Opening":"Dutch defence","Variation":"Dutch-Indian (Nimzo-Dutch) variation","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Bb4+","NMoves":4,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8b4"}
{"ECO":"A90","Opening":"Dutch-Indian, Alekhine variation","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Bb4+ 5. Bd2 Be7","NMoves":5,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8b4 c1d2 b4e7"}
{"ECO":"A91","Opening":"Dutch defence","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7","NMoves":4,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7"}
{"ECO":"A92","Opening":"Dutch defence","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O","NMoves":5,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8"}
{"ECO":"A92","Opening":"Dutch defence, Alekhine variation","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O Ne4","NMoves":6,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 f6e4"}
{"ECO":"A92","Opening":"Dutch","Variation":"stonewall variation","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5","NMoves":6,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d5"}
{"ECO":"A92","Opening":"Dutch","Variation":"stonewall with Nc3","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. Nc3","NMoves":7,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d5 b1c3"}
{"ECO":"A93","Opening":"Dutch","Variation":"stonewall, Botwinnik variation","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. b3","NMoves":7,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d5 b2b3"}
{"ECO":"A94","Opening":"Dutch","Variation":"stonewall with Ba3","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. b3 c6 8. Ba3","NMoves":8,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d5 b2b3 c7c6 c1a3"}
{"ECO":"A95","Opening":"Dutch","Variation":"stonewall with Nc3","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. Nc3 c6","NMoves":7,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d5 b1c3 c7c6"}
{"ECO":"A95","Opening":"Dutch","Variation":"stonewall: Chekhover variation","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. Nc3 c6 8. Qc2 Qe8 9. Bg5","NMoves":9,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d5 b1c3 c7c6 d1c2 d8e8 c1g5"}
{"ECO":"A96","Opening":"Dutch","Variation":"classical variation","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6","NMoves":6,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d6"}
{"ECO":"A97","Opening":"Dutch","Variation":"Ilyin-Genevsky variation","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8","NMoves":7,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d6 b1c3 d8e8"}
{"ECO":"A97","Opening":"Dutch","Variation":"Ilyin-Genevsky, Winter variation","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. Re1","NMoves":8,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d6 b1c3 d8e8 f1e1"}
{"ECO":"A98","Opening":"Dutch","Variation":"Ilyin-Genevsky variation with Qc2","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. Qc2","NMoves":8,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d6 b1c3 d8e8 d1c2"}
{"ECO":"A99","Opening":"Dutch","Variation":"Ilyin-Genevsky variation with b3","Movetext":"1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. b3","NMoves":8,"LAN":"d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d6 b1c3 d8e8 b2b3"}
{"ECO":"B00","Opening":"King's pawn opening","Movetext":"1. e4","NMoves":1,"LAN":"e2e4"}
{"ECO":"B00","Opening":"Hippopotamus defence","Movetext":"1. e4 Nh6 2. d4 g6 3. c4 f6","NMoves":3,"LAN":"e2e4 g8h6 d2d4 g7g6 c2c4 f7f6"}
{"ECO":"B00","Opening":"Corn stalk defence","Movetext":"1. e4 a5","NMoves":1,"LAN":"e2e4 a7a5"}
{"ECO":"B00","Opening":"Lemming defence","Movetext":"1. e4 Na6","NMoves":1,"LAN":"e2e4 b8a6"}
{"ECO":"B00","Opening":"Fred","Movetext":"1. e4 f5","NMoves":1,"LAN":"e2e4 f7f5"}
{"ECO":"B00","Opening":"Barnes defence","Movetext":"1. e4 f6","NMoves":1,"LAN":"e2e4 f7f6"}
{"ECO":"B00","Opening":"Fried fox defence","Movetext":"1. e4 f6 2. d4 Kf7","NMoves":2,"LAN":"e2e4 f7f6 d2d4 e8f7"}
{"ECO":"B00","Opening":"Carr's defence","Movetext":"1. e4 h6","NMoves":1,"LAN":"e2e4 h7h6"}
{"ECO":"B00","Opening":"Reversed Grob (Borg/Basman defence/macho Grob)","Movetext":"1. e4 g5","NMoves":1,"LAN":"e2e4 g7g5"}
{"ECO":"B00","Opening":"St. George (Baker) defence","Movetext":"1. e4 a6","NMoves":1,"LAN":"e2e4 a7a6"}
{"ECO":"B00","Opening":"Owen defence","Movetext":"1. e4 b6","NMoves":1,"LAN":"e2e4 b7b6"}
{"ECO":"B00","Opening":"Guatemala defence","Movetext":"1. e4 b6 2. d4 Ba6","NMoves":2,"LAN":"e2e4 b7b6 d2d4 c8a6"}
{"ECO":"B00","Opening":"KP","Variation":"Nimzovich defence","Movetext":"1. e4 Nc6","NMoves":1,"LAN":"e2e4 b8c6"}
{"ECO":"B00","Opening":"KP","Variation":"Nimzovich defence, Wheeler gambit","Movetext":"1. e4 Nc6 2. b4 Nxb4 3. c3 Nc6 4. d4","NMoves":4,"LAN":"e2e4 b8c6 b2b4 c6b4 c2c3 b4c6 d2d4"}
{"ECO":"B00","Opening":"KP","Variation":"Nimzovich defence","Movetext":"1. e4 Nc6 2. Nf3","NMoves":2,"LAN":"e2e4 b8c6 g1f3"}
{"ECO":"B00","Opening":"KP","Variation":"Colorado counter","Movetext":"1. e4 Nc6 2. Nf3 f5","NMoves":2,"LAN":"e2e4 b8c6 g1f3 f7f5"}
{"ECO":"B00","Opening":"KP","Variation":"Nimzovich defence","Movetext":"1. e4 Nc6 2. d4","NMoves":2,"LAN":"e2e4 b8c6 d2d4"}
{"ECO":"B00","Opening":"KP","Variation":"Nimzovich defence, Marshall gambit","Movetext":"1. e4 Nc6 2. d4 d5 3. exd5 Qxd5 4. Nc3","NMoves":4,"LAN":"e2e4 b8c6 d2d4 d7d5 e4d5 d8d5 b1c3"}
{"ECO":"B00","Opening":"KP","Variation":"Nimzovich defence, Bogolyubov variation","Movetext":"1. e4 Nc6 2. d4 d5 3. Nc3","NMoves":3,"LAN":"e2e4 b8c6 d2d4 d7d5 b1c3"}
{"ECO":"B00","Opening":"KP","Variation":"Neo-Mongoloid defence","Movetext":"1. e4 Nc6 2. d4 f6","NMoves":2,"LAN":"e2e4 b8c6 d2d4 f7f6"}
{"ECO":"B01","Opening":"Scandinavian (centre counter) defence","Movetext":"1. e4 d5","NMoves":1,"LAN":"e2e4 d7d5"}
{"ECO":"B01","Opening":"Scandinavian defence, Lasker variation","Movetext":"1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bg4 6. h3","NMoves":6,"LAN":"e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 g8f6 g1f3 c8g4 h2h3"}
{"ECO":"B01","Opening":"Scandinavian defence","Movetext":"1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5","NMoves":5,"LAN":"e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 g8f6 g1f3 c8f5"}
{"ECO":"B01","Opening":"Scandinavian defence, Gruenfeld variation","Movetext":"1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Ne5 c6 7. g4","NMoves":7,"LAN":"e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 g8f6 g1f3 c8f5 f3e5 c7c6 g2g4"}
{"ECO":"B01","Opening":"Scandinavian","Variation":"Anderssen counter-attack","Movetext":"1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5","NMoves":4,"LAN":"e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 e7e5"}
{"ECO":"B01","Opening":"Scandinavian","Variation":"Anderssen counter-attack orthodox attack","Movetext":"1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. dxe5 Bb4 6. Bd2 Nc6 7. Nf3","NMoves":7,"LAN":"e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 e7e5 d4e5 f8b4 c1d2 b8c6 g1f3"}
{"ECO":"B01","Opening":"Scandinavian","Variation":"Anderssen counter-attack, Goteborg system","Movetext":"1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. Nf3","NMoves":5,"LAN":"e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 e7e5 g1f3"}
{"ECO":"B01","Opening":"Scandinavian","Variation":"Anderssen counter-attack, Collijn variation","Movetext":"1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. Nf3 Bg4","NMoves":5,"LAN":"e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 e7e5 g1f3 c8g4"}
{"ECO":"B01","Opening":"Scandinavian, Mieses-Kotrvc gambit","Movetext":"1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. b4","NMoves":4,"LAN":"e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 b2b4"}
{"ECO":"B01","Opening":"Scandinavian","Variation":"Pytel-Wade variation","Movetext":"1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6","NMoves":3,"LAN":"e2e4 d7d5 e4d5 d8d5 b1c3 d5d6"}
{"ECO":"B01","Opening":"Scandinavian defence","Movetext":"1. e4 d5 2. exd5 Nf6","NMoves":2,"LAN":"e2e4 d7d5 e4d5 g8f6"}
{"ECO":"B01","Opening":"Scandinavian","Variation":"Icelandic gambit","Movetext":"1. e4 d5 2. exd5 Nf6 3. c4 e6","NMoves":3,"LAN":"e2e4 d7d5 e4d5 g8f6 c2c4 e7e6"}
{"ECO":"B01","Opening":"Scandinavian gambit","Movetext":"1. e4 d5 2. exd5 Nf6 3. c4 c6","NMoves":3,"LAN":"e2e4 d7d5 e4d5 g8f6 c2c4 c7c6"}
{"ECO":"B01","Opening":"Scandinavian defence","Movetext":"1. e4 d5 2. exd5 Nf6 3. d4","NMoves":3,"LAN":"e2e4 d7d5 e4d5 g8f6 d2d4"}
{"ECO":"B01","Opening":"Scandinavian","Variation":"Marshall variation","Movetext":"1. e4 d5 2. exd5 Nf6 3. d4 Nxd5","NMoves":3,"LAN":"e2e4 d7d5 e4d5 g8f6 d2d4 f6d5"}
{"ECO":"B01","Opening":"Scandinavian","Variation":"Kiel variation","Movetext":"1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb4","NMoves":4,"LAN":"e2e4 d7d5 e4d5 g8f6 d2d4 f6d5 c2c4 d5b4"}
{"ECO":"B01","Opening":"Scandinavian","Variation":"Richter variation","Movetext":"1. e4 d5 2. exd5 Nf6 3. d4 g6","NMoves":3,"LAN":"e2e4 d7d5 e4d5 g8f6 d2d4 g7g6"}
{"ECO":"B02","Opening":"Alekhine's defence","Movetext":"1. e4 Nf6","NMoves":1,"LAN":"e2e4 g8f6"}
{"ECO":"B02","Opening":"Alekhine's defence","Variation":"Scandinavian variation","Movetext":"1. e4 Nf6 2. Nc3 d5","NMoves":2,"LAN":"e2e4 g8f6 b1c3 d7d5"}
{"ECO":"B02","Opening":"Alekhine's defence","Variation":"Spielmann variation","Movetext":"1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. e6","NMoves":4,"LAN":"e2e4 g8f6 b1c3 d7d5 e4e5 f6d7 e5e6"}
{"ECO":"B02","Opening":"Alekhine's defence","Variation":"Maroczy variation","Movetext":"1. e4 Nf6 2. d3","NMoves":2,"LAN":"e2e4 g8f6 d2d3"}
{"ECO":"B02","Opening":"Alekhine's defence","Variation":"Krejcik variation","Movetext":"1. e4 Nf6 2. Bc4","NMoves":2,"LAN":"e2e4 g8f6 f1c4"}
{"ECO":"B02","Opening":"Alekhine's defence","Variation":"Mokele Mbembe (Buecker) variation","Movetext":"1. e4 Nf6 2. e5 Ne4","NMoves":2,"LAN":"e2e4 g8f6 e4e5 f6e4"}
{"ECO":"B02","Opening":"Alekhine's defence","Variation":"Brooklyn defence","Movetext":"1. e4 Nf6 2. e5 Ng8","NMoves":2,"LAN":"e2e4 g8f6 e4e5 f6g8"}
{"ECO":"B02","Opening":"Alekhine's defence","Movetext":"1. e4 Nf6 2. e5 Nd5","NMoves":2,"LAN":"e2e4 g8f6 e4e5 f6d5"}
{"ECO":"B02","Opening":"Alekhine's defence","Variation":"Kmoch variation","Movetext":"1. e4 Nf6 2. e5 Nd5 3. Bc4 Nb6 4. Bb3 c5 5. d3","NMoves":5,"LAN":"e2e4 g8f6 e4e5 f6d5 f1c4 d5b6 c4b3 c7c5 d2d3"}
{"ECO":"B02","Opening":"Alekhine's defence","Variation":"Saemisch attack","Movetext":"1. e4 Nf6 2. e5 Nd5 3. Nc3","NMoves":3,"LAN":"e2e4 g8f6 e4e5 f6d5 b1c3"}
{"ECO":"B02","Opening":"Alekhine's defence","Variation":"Welling variation","Movetext":"1. e4 Nf6 2. e5 Nd5 3. b3","NMoves":3,"LAN":"e2e4 g8f6 e4e5 f6d5 b2b3"}
{"ECO":"B02","Opening":"Alekhine's defence","Movetext":"1. e4 Nf6 2. e5 Nd5 3. c4","NMoves":3,"LAN":"e2e4 g8f6 e4e5 f6d5 c2c4"}
{"ECO":"B02","Opening":"Alekhine's defence","Variation":"Steiner variation","Movetext":"1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. b3","NMoves":4,"LAN":"e2e4 g8f6 e4e5 f6d5 c2c4 d5b6 b2b3"}
{"ECO":"B02","Opening":"Alekhine's defence","Variation":"two pawns' (Lasker's) attack","Movetext":"1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5","NMoves":4,"LAN":"e2e4 g8f6 e4e5 f6d5 c2c4 d5b6 c4c5"}
{"ECO":"B02","Opening":"Alekhine's defence","Variation":"two pawns' attack, Mikenas variation","Movetext":"1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. Nc3 d6","NMoves":6,"LAN":"e2e4 g8f6 e4e5 f6d5 c2c4 d5b6 c4c5 b6d5 f1c4 e7e6 b1c3 d7d6"}
{"ECO":"B03","Opening":"Alekhine's defence","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4","NMoves":3,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4"}
{"ECO":"B03","Opening":"Alekhine's defence","Variation":"O'Sullivan gambit","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 b5","NMoves":3,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 b7b5"}
{"ECO":"B03","Opening":"Alekhine's defence","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6","NMoves":3,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6"}
{"ECO":"B03","Opening":"Alekhine's defence","Variation":"Balogh variation","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Bc4","NMoves":4,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 f1c4"}
{"ECO":"B03","Opening":"Alekhine's defence","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4","NMoves":4,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4"}
{"ECO":"B03","Opening":"Alekhine's defence","Variation":"exchange variation","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6","NMoves":5,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 e5d6"}
{"ECO":"B03","Opening":"Alekhine's defence","Variation":"exchange, Karpov variation","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nf3 g6 7. Be2 Bg7 8. O-O O-O 9. h3 Nc6 10. Nc3 Bf5 11. Bf4","NMoves":11,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 e5d6 c7d6 g1f3 g7g6 f1e2 f8g7 e1g1 e8g8 h2h3 b8c6 b1c3 c8f5 c1f4"}
{"ECO":"B03","Opening":"Alekhine's defence","Variation":"four pawns attack","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4","NMoves":5,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4"}
{"ECO":"B03","Opening":"Alekhine's defence","Variation":"four pawns attack, Korchnoi variation","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Bf5 7. Nc3 e6 8. Nf3 Be7 9. Be2 O-O 10. O-O f6","NMoves":10,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 d6e5 f4e5 c8f5 b1c3 e7e6 g1f3 f8e7 f1e2 e8g8 e1g1 f7f6"}
{"ECO":"B03","Opening":"Alekhine's defence","Variation":"four pawns attack, 6...Nc6","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6","NMoves":6,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 d6e5 f4e5 b8c6"}
{"ECO":"B03","Opening":"Alekhine's defence","Variation":"four pawns attack, Ilyin-Genevsky var.","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Nf3 Bg4 8. e6 fxe6 9. c5","NMoves":9,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 d6e5 f4e5 b8c6 g1f3 c8g4 e5e6 f7e6 c4c5"}
{"ECO":"B03","Opening":"Alekhine's defence","Variation":"four pawns attack, 7.Be3","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3","NMoves":7,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 d6e5 f4e5 b8c6 c1e3"}
{"ECO":"B03","Opening":"Alekhine's defence","Variation":"four pawns attack, Tartakower variation","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nc3 e6 9. Nf3 Qd7 10. Be2 O-O-O 11. O-O Be7","NMoves":11,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 d6e5 f4e5 b8c6 c1e3 c8f5 b1c3 e7e6 g1f3 d8d7 f1e2 e8c8 e1g1 f8e7"}
{"ECO":"B03","Opening":"Alekhine's defence","Variation":"four pawns attack, Planinc variation","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g5","NMoves":5,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 g7g5"}
{"ECO":"B03","Opening":"Alekhine's defence","Variation":"four pawns attack, fianchetto variation","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g6","NMoves":5,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 g7g6"}
{"ECO":"B03","Opening":"Alekhine's defence","Variation":"four pawns attack, Trifunovic variation","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 Bf5","NMoves":5,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 c8f5"}
{"ECO":"B04","Opening":"Alekhine's defence","Variation":"modern variation","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3","NMoves":4,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3"}
{"ECO":"B04","Opening":"Alekhine's defence","Variation":"modern, Larsen variation","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5","NMoves":4,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 d6e5"}
{"ECO":"B04","Opening":"Alekhine's defence","Variation":"modern, Schmid variation","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nb6","NMoves":4,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 d5b6"}
{"ECO":"B04","Opening":"Alekhine's defence","Variation":"modern, fianchetto variation","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6","NMoves":4,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 g7g6"}
{"ECO":"B04","Opening":"Alekhine's defence","Variation":"modern, Keres variation","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. a4","NMoves":7,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 g7g6 f1c4 d5b6 c4b3 f8g7 a2a4"}
{"ECO":"B05","Opening":"Alekhine's defence","Variation":"modern variation, 4...Bg4","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4","NMoves":4,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 c8g4"}
{"ECO":"B05","Opening":"Alekhine's defence","Variation":"modern, Flohr variation","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 c6","NMoves":5,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 c8g4 f1e2 c7c6"}
{"ECO":"B05","Opening":"Alekhine's defence","Variation":"modern, Panov variation","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. h3","NMoves":5,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 c8g4 h2h3"}
{"ECO":"B05","Opening":"Alekhine's defence","Variation":"modern, Alekhine variation","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. c4","NMoves":5,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 c8g4 c2c4"}
{"ECO":"B05","Opening":"Alekhine's defence","Variation":"modern, Vitolins attack","Movetext":"1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. c4 Nb6 6. d5","NMoves":6,"LAN":"e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 c8g4 c2c4 d5b6 d4d5"}
{"ECO":"B06","Opening":"Robatsch (modern) defence","Movetext":"1. e4 g6","NMoves":1,"LAN":"e2e4 g7g6"}
{"ECO":"B06","Opening":"Norwegian defence","Movetext":"1. e4 g6 2. d4 Nf6 3. e5 Nh5 4. g4 Ng7","NMoves":4,"LAN":"e2e4 g7g6 d2d4 g8f6 e4e5 f6h5 g2g4 h5g7"}
{"ECO":"B06","Opening":"Robatsch (modern) defence","Movetext":"1. e4 g6 2. d4 Bg7","NMoves":2,"LAN":"e2e4 g7g6 d2d4 f8g7"}
{"ECO":"B06","Opening":"Robatsch defence","Variation":"three pawns attack","Movetext":"1. e4 g6 2. d4 Bg7 3. f4","NMoves":3,"LAN":"e2e4 g7g6 d2d4 f8g7 f2f4"}
{"ECO":"B06","Opening":"Robatsch defence","Movetext":"1. e4 g6 2. d4 Bg7 3. Nc3","NMoves":3,"LAN":"e2e4 g7g6 d2d4 f8g7 b1c3"}
{"ECO":"B06","Opening":"Robatsch defence","Variation":"Gurgenidze variation","Movetext":"1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. f4 d5 5. e5 h5","NMoves":5,"LAN":"e2e4 g7g6 d2d4 f8g7 b1c3 c7c6 f2f4 d7d5 e4e5 h7h5"}
{"ECO":"B06","Opening":"Robatsch (modern) defence","Movetext":"1. e4 g6 2. d4 Bg7 3. Nc3 d6","NMoves":3,"LAN":"e2e4 g7g6 d2d4 f8g7 b1c3 d7d6"}
{"ECO":"B06","Opening":"Robatsch defence","Variation":"two knights variation","Movetext":"1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3","NMoves":4,"LAN":"e2e4 g7g6 d2d4 f8g7 b1c3 d7d6 g1f3"}
{"ECO":"B06","Opening":"Robatsch defence","Variation":"two knights, Suttles variation","Movetext":"1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 c6","NMoves":4,"LAN":"e2e4 g7g6 d2d4 f8g7 b1c3 d7d6 g1f3 c7c6"}
{"ECO":"B06","Opening":"Robatsch defence","Variation":"Pseudo-Austrian attack","Movetext":"1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4","NMoves":4,"LAN":"e2e4 g7g6 d2d4 f8g7 b1c3 d7d6 f2f4"}
{"ECO":"B07","Opening":"Pirc defence","Movetext":"1. e4 d6 2. d4 Nf6 3. Nc3","NMoves":3,"LAN":"e2e4 d7d6 d2d4 g8f6 b1c3"}
{"ECO":"B07","Opening":"Pirc","Variation":"Ufimtsev-Pytel variation","Movetext":"1. e4 d6 2. d4 Nf6 3. Nc3 c6","NMoves":3,"LAN":"e2e4 d7d6 d2d4 g8f6 b1c3 c7c6"}
{"ECO":"B07","Opening":"Pirc defence","Movetext":"1. e4 d6 2. d4 Nf6 3. Nc3 g6","NMoves":3,"LAN":"e2e4 d7d6 d2d4 g8f6 b1c3 g7g6"}
{"ECO":"B07","Opening":"Pirc","Variation":"150 attack","Movetext":"1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2","NMoves":5,"LAN":"e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 c1e3 c7c6 d1d2"}
{"ECO":"B07","Opening":"Pirc","Variation":"Sveshnikov system","Movetext":"1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g3","NMoves":4,"LAN":"e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 g2g3"}
{"ECO":"B07","Opening":"Pirc","Variation":"Holmov system","Movetext":"1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4","NMoves":4,"LAN":"e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f1c4"}
{"ECO":"B07","Opening":"Pirc","Variation":"Byrne variation","Movetext":"1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5","NMoves":4,"LAN":"e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 c1g5"}
{"ECO":"B07","Opening":"Pirc defence","Movetext":"1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2","NMoves":4,"LAN":"e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f1e2"}
{"ECO":"B07","Opening":"Pirc","Variation":"Chinese variation","Movetext":"1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. g4","NMoves":5,"LAN":"e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f1e2 f8g7 g2g4"}
{"ECO":"B07","Opening":"Pirc","Variation":"bayonet (Mariotti) attack","Movetext":"1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. h4","NMoves":5,"LAN":"e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f1e2 f8g7 h2h4"}
{"ECO":"B07","Opening":"Robatsch defence","Variation":"Geller's system","Movetext":"1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3","NMoves":4,"LAN":"e2e4 g7g6 d2d4 f8g7 g1f3 d7d6 c2c3"}
{"ECO":"B08","Opening":"Pirc","Variation":"classical (two knights) system","Movetext":"1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3","NMoves":4,"LAN":"e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 g1f3"}
{"ECO":"B08","Opening":"Pirc","Variation":"classical (two knights) system","Movetext":"1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7","NMoves":4,"LAN":"e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 g1f3 f8g7"}
{"ECO":"B08","Opening":"Pirc","Variation":"classical, h3 system","Movetext":"1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3","NMoves":5,"LAN":"e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 g1f3 f8g7 h2h3"}
{"ECO":"B08","Opening":"Pirc","Variation":"classical system, 5.Be2","Movetext":"1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2","NMoves":5,"LAN":"e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 g1f3 f8g7 f1e2"}
{"ECO":"B09","Opening":"Pirc","Variation":"Austrian attack","Movetext":"1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4","NMoves":4,"LAN":"e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4"}
{"ECO":"B09","Opening":"Pirc","Variation":"Austrian attack","Movetext":"1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O","NMoves":5,"LAN":"e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4 f8g7 g1f3 e8g8"}
{"ECO":"B09","Opening":"Pirc","Variation":"Austrian attack, 6.e5","Movetext":"1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. e5","NMoves":6,"LAN":"e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4 f8g7 g1f3 e8g8 e4e5"}
{"ECO":"B09","Opening":"Pirc","Variation":"Austrian attack, 6.Be3","Movetext":"1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Be3","NMoves":6,"LAN":"e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4 f8g7 g1f3 e8g8 c1e3"}
{"ECO":"B09","Opening":"Pirc","Variation":"Austrian attack, 6.Bd3","Movetext":"1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3","NMoves":6,"LAN":"e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4 f8g7 g1f3 e8g8 f1d3"}
{"ECO":"B09","Opening":"Pirc","Variation":"Austrian attack, dragon formation","Movetext":"1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5","NMoves":5,"LAN":"e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4 f8g7 g1f3 c7c5"}
{"ECO":"B09","Opening":"Pirc","Variation":"Austrian attack, Ljubojevic variation","Movetext":"1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Bc4","NMoves":5,"LAN":"e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4 f8g7 f1c4"}
{"ECO":"B10","Opening":"Caro-Kann defence","Movetext":"1. e4 c6","NMoves":1,"LAN":"e2e4 c7c6"}
{"ECO":"B10","Opening":"Caro-Kann","Variation":"Hillbilly attack","Movetext":"1. e4 c6 2. Bc4","NMoves":2,"LAN":"e2e4 c7c6 f1c4"}
{"ECO":"B10","Opening":"Caro-Kann","Variation":"anti-Caro-Kann defence","Movetext":"1. e4 c6 2. c4","NMoves":2,"LAN":"e2e4 c7c6 c2c4"}
{"ECO":"B10","Opening":"Caro-Kann","Variation":"anti-anti-Caro-Kann defence","Movetext":"1. e4 c6 2. c4 d5","NMoves":2,"LAN":"e2e4 c7c6 c2c4 d7d5"}
{"ECO":"B10","Opening":"Caro-Kann","Variation":"closed (Breyer) variation","Movetext":"1. e4 c6 2. d3","NMoves":2,"LAN":"e2e4 c7c6 d2d3"}
{"ECO":"B10","Opening":"Caro-Kann defence","Movetext":"1. e4 c6 2. Nc3","NMoves":2,"LAN":"e2e4 c7c6 b1c3"}
{"ECO":"B10","Opening":"Caro-Kann","Variation":"Goldman (Spielmann) variation","Movetext":"1. e4 c6 2. Nc3 d5 3. Qf3","NMoves":3,"LAN":"e2e4 c7c6 b1c3 d7d5 d1f3"}
{"ECO":"B10","Opening":"Caro-Kann","Variation":"two knights variation","Movetext":"1. e4 c6 2. Nc3 d5 3. Nf3","NMoves":3,"LAN":"e2e4 c7c6 b1c3 d7d5 g1f3"}
{"ECO":"B11","Opening":"Caro-Kann","Variation":"two knights, 3...Bg4","Movetext":"1. e4 c6 2. Nc3 d5 3. Nf3 Bg4","NMoves":3,"LAN":"e2e4 c7c6 b1c3 d7d5 g1f3 c8g4"}
{"ECO":"B12","Opening":"Caro-Kann defence","Movetext":"1. e4 c6 2. d4","NMoves":2,"LAN":"e2e4 c7c6 d2d4"}
{"ECO":"B12","Opening":"de Bruycker defence","Movetext":"1. e4 c6 2. d4 Na6 3. Nc3 Nc7","NMoves":3,"LAN":"e2e4 c7c6 d2d4 b8a6 b1c3 a6c7"}
{"ECO":"B12","Opening":"Caro-Masi defence","Movetext":"1. e4 c6 2. d4 Nf6","NMoves":2,"LAN":"e2e4 c7c6 d2d4 g8f6"}
{"ECO":"B12","Opening":"Caro-Kann defence","Movetext":"1. e4 c6 2. d4 d5","NMoves":2,"LAN":"e2e4 c7c6 d2d4 d7d5"}
{"ECO":"B12","Opening":"Caro-Kann","Variation":"Tartakower (fantasy) variation","Movetext":"1. e4 c6 2. d4 d5 3. f3","NMoves":3,"LAN":"e2e4 c7c6 d2d4 d7d5 f2f3"}
{"ECO":"B12","Opening":"Caro-Kann","Variation":"3.Nd2","Movetext":"1. e4 c6 2. d4 d5 3. Nd2","NMoves":3,"LAN":"e2e4 c7c6 d2d4 d7d5 b1d2"}
{"ECO":"B12","Opening":"Caro-Kann","Variation":"Edinburgh variation","Movetext":"1. e4 c6 2. d4 d5 3. Nd2 Qb6","NMoves":3,"LAN":"e2e4 c7c6 d2d4 d7d5 b1d2 d8b6"}
{"ECO":"B12","Opening":"Caro-Kann","Variation":"advance variation","Movetext":"1. e4 c6 2. d4 d5 3. e5","NMoves":3,"LAN":"e2e4 c7c6 d2d4 d7d5 e4e5"}
{"ECO":"B12","Opening":"Caro-Kann","Variation":"advance, Short variation","Movetext":"1. e4 c6 2. d4 d5 3. e5 Bf5 4. c3 e6 5. Be2","NMoves":5,"LAN":"e2e4 c7c6 d2d4 d7d5 e4e5 c8f5 c2c3 e7e6 f1e2"}
{"ECO":"B13","Opening":"Caro-Kann","Variation":"exchange variation","Movetext":"1. e4 c6 2. d4 d5 3. exd5","NMoves":3,"LAN":"e2e4 c7c6 d2d4 d7d5 e4d5"}
{"ECO":"B13","Opening":"Caro-Kann","Variation":"exchange, Rubinstein variation","Movetext":"1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4","NMoves":6,"LAN":"e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 f1d3 b8c6 c2c3 g8f6 c1f4"}
{"ECO":"B13","Opening":"Caro-Kann","Variation":"Panov-Botvinnik attack","Movetext":"1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4","NMoves":4,"LAN":"e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4"}
{"ECO":"B13","Opening":"Caro-Kann","Variation":"Panov-Botvinnik, Gunderam attack","Movetext":"1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. c5","NMoves":5,"LAN":"e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 c4c5"}
{"ECO":"B13","Opening":"Caro-Kann","Variation":"Panov-Botvinnik attack","Movetext":"1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3","NMoves":5,"LAN":"e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3"}
{"ECO":"B13","Opening":"Caro-Kann","Variation":"Panov-Botvinnik, Herzog defence","Movetext":"1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 dxc4 7. d5 Na5","NMoves":7,"LAN":"e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 b8c6 c1g5 d5c4 d4d5 c6a5"}
{"ECO":"B13","Opening":"Caro-Kann","Variation":"Panov-Botvinnik, normal variation","Movetext":"1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 e6","NMoves":6,"LAN":"e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 b8c6 c1g5 e7e6"}
{"ECO":"B13","Opening":"Caro-Kann","Variation":"Panov-Botvinnik, Czerniak variation","Movetext":"1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 Qa5","NMoves":6,"LAN":"e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 b8c6 c1g5 d8a5"}
{"ECO":"B13","Opening":"Caro-Kann","Variation":"Panov-Botvinnik, Reifir (Spielmann) variation","Movetext":"1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 Qb6","NMoves":6,"LAN":"e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 b8c6 c1g5 d8b6"}
{"ECO":"B14","Opening":"Caro-Kann","Variation":"Panov-Botvinnik attack, 5...e6","Movetext":"1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6","NMoves":5,"LAN":"e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 e7e6"}
{"ECO":"B14","Opening":"Caro-Kann","Variation":"Panov-Botvinnik attack, 5...g6","Movetext":"1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6","NMoves":5,"LAN":"e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 g7g6"}
{"ECO":"B15","Opening":"Caro-Kann defence","Movetext":"1. e4 c6 2. d4 d5 3. Nc3","NMoves":3,"LAN":"e2e4 c7c6 d2d4 d7d5 b1c3"}
{"ECO":"B15","Opening":"Caro-Kann","Variation":"Gurgenidze counter-attack","Movetext":"1. e4 c6 2. d4 d5 3. Nc3 b5","NMoves":3,"LAN":"e2e4 c7c6 d2d4 d7d5 b1c3 b7b5"}
{"ECO":"B15","Opening":"Caro-Kann","Variation":"Gurgenidze system","Movetext":"1. e4 c6 2. d4 d5 3. Nc3 g6","NMoves":3,"LAN":"e2e4 c7c6 d2d4 d7d5 b1c3 g7g6"}
{"ECO":"B15","Opening":"Caro-Kann","Variation":"Rasa-Studier gambit","Movetext":"1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. f3","NMoves":4,"LAN":"e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 f2f3"}
{"ECO":"B15","Opening":"Caro-Kann defence","Movetext":"1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4","NMoves":4,"LAN":"e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4"}
{"ECO":"B15","Opening":"Caro-Kann","Variation":"Alekhine gambit","Movetext":"1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Bd3","NMoves":5,"LAN":"e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 g8f6 f1d3"}
{"ECO":"B15","Opening":"Caro-Kann","Variation":"Tartakower (Nimzovich) variation","Movetext":"1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6","NMoves":5,"LAN":"e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 g8f6 e4f6 e7f6"}
{"ECO":"B15","Opening":"Caro-Kann","Variation":"Forgacs variation","Movetext":"1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4","NMoves":6,"LAN":"e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 g8f6 e4f6 e7f6 f1c4"}
{"ECO":"B16","Opening":"Caro-Kann","Variation":"Bronstein-Larsen variation","Movetext":"1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6","NMoves":5,"LAN":"e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 g8f6 e4f6 g7f6"}
{"ECO":"B17","Opening":"Caro-Kann","Variation":"Steinitz variation","Movetext":"1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7","NMoves":4,"LAN":"e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 b8d7"}
{"ECO":"B18","Opening":"Caro-Kann","Variation":"classical variation","Movetext":"1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5","NMoves":4,"LAN":"e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5"}
{"ECO":"B18","Opening":"Caro-Kann","Variation":"classical, Flohr variation","Movetext":"1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3","NMoves":6,"LAN":"e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5 e4g3 f5g6 g1h3"}
{"ECO":"B18","Opening":"Caro-Kann","Variation":"classical, Maroczy attack","Movetext":"1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. f4","NMoves":6,"LAN":"e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5 e4g3 f5g6 f2f4"}
{"ECO":"B18","Opening":"Caro-Kann","Variation":"classical, 6.h4","Movetext":"1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4","NMoves":6,"LAN":"e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5 e4g3 f5g6 h2h4"}
{"ECO":"B19","Opening":"Caro-Kann","Variation":"classical, 7...Nd7","Movetext":"1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7","NMoves":7,"LAN":"e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5 e4g3 f5g6 h2h4 h7h6 g1f3 b8d7"}
{"ECO":"B19","Opening":"Caro-Kann","Variation":"classical, Spassky variation","Movetext":"1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5","NMoves":8,"LAN":"e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5 e4g3 f5g6 h2h4 h7h6 g1f3 b8d7 h4h5"}
{"ECO":"B20","Opening":"Sicilian defence","Movetext":"1. e4 c5","NMoves":1,"LAN":"e2e4 c7c5"}
{"ECO":"B20","Opening":"Sicilian","Variation":"Gloria variation","Movetext":"1. e4 c5 2. c4 d6 3. Nc3 Nc6 4. g3 h5","NMoves":4,"LAN":"e2e4 c7c5 c2c4 d7d6 b1c3 b8c6 g2g3 h7h5"}
{"ECO":"B20","Opening":"Sicilian","Variation":"Steinitz variation","Movetext":"1. e4 c5 2. g3","NMoves":2,"LAN":"e2e4 c7c5 g2g3"}
{"ECO":"B20","Opening":"Sicilian","Variation":"wing gambit","Movetext":"1. e4 c5 2. b4","NMoves":2,"LAN":"e2e4 c7c5 b2b4"}
{"ECO":"B20","Opening":"Sicilian","Variation":"wing gambit, Santasiere variation","Movetext":"1. e4 c5 2. b4 cxb4 3. c4","NMoves":3,"LAN":"e2e4 c7c5 b2b4 c5b4 c2c4"}
{"ECO":"B20","Opening":"Sicilian","Variation":"wing gambit, Marshall variation","Movetext":"1. e4 c5 2. b4 cxb4 3. a3","NMoves":3,"LAN":"e2e4 c7c5 b2b4 c5b4 a2a3"}
{"ECO":"B20","Opening":"Sicilian","Variation":"wing gambit, Marienbad variation","Movetext":"1. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Bb2","NMoves":5,"LAN":"e2e4 c7c5 b2b4 c5b4 a2a3 d7d5 e4d5 d8d5 c1b2"}
{"ECO":"B20","Opening":"Sicilian","Variation":"wing gambit, Carlsbad variation","Movetext":"1. e4 c5 2. b4 cxb4 3. a3 bxa3","NMoves":3,"LAN":"e2e4 c7c5 b2b4 c5b4 a2a3 b4a3"}
{"ECO":"B20","Opening":"Sicilian","Variation":"Keres variation (2.Ne2)","Movetext":"1. e4 c5 2. Ne2","NMoves":2,"LAN":"e2e4 c7c5 g1e2"}
{"ECO":"B21","Opening":"Sicilian","Variation":"Grand Prix attack","Movetext":"1. e4 c5 2. f4","NMoves":2,"LAN":"e2e4 c7c5 f2f4"}
{"ECO":"B21","Opening":"Sicilian","Variation":"Smith-Morra gambit","Movetext":"1. e4 c5 2. d4","NMoves":2,"LAN":"e2e4 c7c5 d2d4"}
{"ECO":"B21","Opening":"Sicilian","Variation":"Andreaschek gambit","Movetext":"1. e4 c5 2. d4 cxd4 3. Nf3 e5 4. c3","NMoves":4,"LAN":"e2e4 c7c5 d2d4 c5d4 g1f3 e7e5 c2c3"}
{"ECO":"B21","Opening":"Sicilian","Variation":"Smith-Morra gambit","Movetext":"1. e4 c5 2. d4 cxd4 3. c3","NMoves":3,"LAN":"e2e4 c7c5 d2d4 c5d4 c2c3"}
{"ECO":"B21","Opening":"Sicilian","Variation":"Smith-Morra gambit, Chicago defence","Movetext":"1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 e6 7. O-O a6 8. Qe2 b5 9. Bb3 Ra7","NMoves":9,"LAN":"e2e4 c7c5 d2d4 c5d4 c2c3 d4c3 b1c3 b8c6 g1f3 d7d6 f1c4 e7e6 e1g1 a7a6 d1e2 b7b5 c4b3 a8a7"}
{"ECO":"B22","Opening":"Sicilian","Variation":"Alapin's variation (2.c3)","Movetext":"1. e4 c5 2. c3","NMoves":2,"LAN":"e2e4 c7c5 c2c3"}
{"ECO":"B22","Opening":"Sicilian","Variation":"2.c3, Heidenfeld variation","Movetext":"1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Na3","NMoves":5,"LAN":"e2e4 c7c5 c2c3 g8f6 e4e5 f6d5 g1f3 b8c6 b1a3"}
{"ECO":"B23","Opening":"Sicilian","Variation":"closed","Movetext":"1. e4 c5 2. Nc3","NMoves":2,"LAN":"e2e4 c7c5 b1c3"}
{"ECO":"B23","Opening":"Sicilian","Variation":"closed, Korchnoi variation","Movetext":"1. e4 c5 2. Nc3 e6 3. g3 d5","NMoves":3,"LAN":"e2e4 c7c5 b1c3 e7e6 g2g3 d7d5"}
{"ECO":"B23","Opening":"Sicilian","Variation":"closed, 2...Nc6","Movetext":"1. e4 c5 2. Nc3 Nc6","NMoves":2,"LAN":"e2e4 c7c5 b1c3 b8c6"}
{"ECO":"B23","Opening":"Sicilian","Variation":"chameleon variation","Movetext":"1. e4 c5 2. Nc3 Nc6 3. Nge2","NMoves":3,"LAN":"e2e4 c7c5 b1c3 b8c6 g1e2"}
{"ECO":"B23","Opening":"Sicilian","Variation":"Grand Prix attack","Movetext":"1. e4 c5 2. Nc3 Nc6 3. f4","NMoves":3,"LAN":"e2e4 c7c5 b1c3 b8c6 f2f4"}
{"ECO":"B23","Opening":"Sicilian","Variation":"Grand Prix attack, Schofman variation","Movetext":"1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. f5","NMoves":6,"LAN":"e2e4 c7c5 b1c3 b8c6 f2f4 g7g6 g1f3 f8g7 f1c4 e7e6 f4f5"}
{"ECO":"B24","Opening":"Sicilian","Variation":"closed","Movetext":"1. e4 c5 2. Nc3 Nc6 3. g3","NMoves":3,"LAN":"e2e4 c7c5 b1c3 b8c6 g2g3"}
{"ECO":"B24","Opening":"Sicilian","Variation":"closed, Smyslov variation","Movetext":"1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 Nd4 7. Nce2","NMoves":7,"LAN":"e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 e7e6 c1e3 c6d4 c3e2"}
{"ECO":"B25","Opening":"Sicilian","Variation":"closed","Movetext":"1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6","NMoves":5,"LAN":"e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6"}
{"ECO":"B25","Opening":"Sicilian","Variation":"closed, 6.Ne2 e5 (Botvinnik)","Movetext":"1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 e5","NMoves":6,"LAN":"e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 g1e2 e7e5"}
{"ECO":"B25","Opening":"Sicilian","Variation":"closed, 6.f4","Movetext":"1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4","NMoves":6,"LAN":"e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 f2f4"}
{"ECO":"B25","Opening":"Sicilian","Variation":"closed, 6.f4 e5 (Botvinnik)","Movetext":"1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5","NMoves":6,"LAN":"e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 f2f4 e7e5"}
{"ECO":"B26","Opening":"Sicilian","Variation":"closed, 6.Be3","Movetext":"1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3","NMoves":6,"LAN":"e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 c1e3"}
{"ECO":"B27","Opening":"Sicilian defence","Movetext":"1. e4 c5 2. Nf3","NMoves":2,"LAN":"e2e4 c7c5 g1f3"}
{"ECO":"B27","Opening":"Sicilian","Variation":"Stiletto (Althouse) variation","Movetext":"1. e4 c5 2. Nf3 Qa5","NMoves":2,"LAN":"e2e4 c7c5 g1f3 d8a5"}
{"ECO":"B27","Opening":"Sicilian","Variation":"Quinteros variation","Movetext":"1. e4 c5 2. Nf3 Qc7","NMoves":2,"LAN":"e2e4 c7c5 g1f3 d8c7"}
{"ECO":"B27","Opening":"Sicilian","Variation":"Katalimov variation","Movetext":"1. e4 c5 2. Nf3 b6","NMoves":2,"LAN":"e2e4 c7c5 g1f3 b7b6"}
{"ECO":"B27","Opening":"Sicilian","Variation":"Hungarian variation","Movetext":"1. e4 c5 2. Nf3 g6","NMoves":2,"LAN":"e2e4 c7c5 g1f3 g7g6"}
{"ECO":"B27","Opening":"Sicilian","Variation":"Acton extension","Movetext":"1. e4 c5 2. Nf3 g6 3. c4 Bh6","NMoves":3,"LAN":"e2e4 c7c5 g1f3 g7g6 c2c4 f8h6"}
{"ECO":"B28","Opening":"Sicilian","Variation":"O'Kelly variation","Movetext":"1. e4 c5 2. Nf3 a6","NMoves":2,"LAN":"e2e4 c7c5 g1f3 a7a6"}
{"ECO":"B29","Opening":"Sicilian","Variation":"Nimzovich-Rubinstein variation","Movetext":"1. e4 c5 2. Nf3 Nf6","NMoves":2,"LAN":"e2e4 c7c5 g1f3 g8f6"}
{"ECO":"B29","Opening":"Sicilian","Variation":"Nimzovich-Rubinstein; Rubinstein counter-gambit","Movetext":"1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Nxd5 exd5 6. d4 Nc6","NMoves":6,"LAN":"e2e4 c7c5 g1f3 g8f6 e4e5 f6d5 b1c3 e7e6 c3d5 e6d5 d2d4 b8c6"}
{"ECO":"B30","Opening":"Sicilian defence","Movetext":"1. e4 c5 2. Nf3 Nc6","NMoves":2,"LAN":"e2e4 c7c5 g1f3 b8c6"}
{"ECO":"B30","Opening":"Sicilian","Variation":"Nimzovich-Rossolimo attack (without ...d6)","Movetext":"1. e4 c5 2. Nf3 Nc6 3. Bb5","NMoves":3,"LAN":"e2e4 c7c5 g1f3 b8c6 f1b5"}
{"ECO":"B31","Opening":"Sicilian","Variation":"Nimzovich-Rossolimo attack (with ...g6, without ...d6)","Movetext":"1. e4 c5 2. Nf3 Nc6 3. Bb5 g6","NMoves":3,"LAN":"e2e4 c7c5 g1f3 b8c6 f1b5 g7g6"}
{"ECO":"B31","Opening":"Sicilian","Variation":"Nimzovich-Rossolimo attack, Gurgenidze variation","Movetext":"1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. b4","NMoves":6,"LAN":"e2e4 c7c5 g1f3 b8c6 f1b5 g7g6 e1g1 f8g7 f1e1 e7e5 b2b4"}
{"ECO":"B32","Opening":"Sicilian defence","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4","NMoves":3,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4"}
{"ECO":"B32","Opening":"Sicilian","Variation":"Flohr variation","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7","NMoves":4,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 d8c7"}
{"ECO":"B32","Opening":"Sicilian","Variation":"Nimzovich variation","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d5","NMoves":4,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 d7d5"}
{"ECO":"B32","Opening":"Sicilian","Variation":"Labourdonnais-Loewenthal variation","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5","NMoves":4,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 e7e5"}
{"ECO":"B32","Opening":"Sicilian","Variation":"Labourdonnais-Loewenthal (Kalashnikov) variation","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6","NMoves":5,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 e7e5 d4b5 d7d6"}
{"ECO":"B33","Opening":"Sicilian defence","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6","NMoves":4,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6"}
{"ECO":"B33","Opening":"Sicilian","Variation":"Pelikan (Lasker/Sveshnikov) variation","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5","NMoves":5,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5"}
{"ECO":"B33","Opening":"Sicilian","Variation":"Pelikan, Bird variation","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be6","NMoves":8,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5 d4b5 d7d6 c1g5 a7a6 b5a3 c8e6"}
{"ECO":"B33","Opening":"Sicilian","Variation":"Pelikan, Chelyabinsk variation","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5","NMoves":8,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5 d4b5 d7d6 c1g5 a7a6 b5a3 b7b5"}
{"ECO":"B33","Opening":"Sicilian","Variation":"Sveshnikov variation","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5","NMoves":10,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5 d4b5 d7d6 c1g5 a7a6 b5a3 b7b5 g5f6 g7f6 c3d5 f6f5"}
{"ECO":"B34","Opening":"Sicilian","Variation":"accelerated fianchetto, exchange variation","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nxc6","NMoves":5,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 d4c6"}
{"ECO":"B34","Opening":"Sicilian","Variation":"accelerated fianchetto, modern variation","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3","NMoves":5,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 b1c3"}
{"ECO":"B35","Opening":"Sicilian","Variation":"accelerated fianchetto, modern variation with Bc4","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4","NMoves":7,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 b1c3 f8g7 c1e3 g8f6 f1c4"}
{"ECO":"B36","Opening":"Sicilian","Variation":"accelerated fianchetto, Maroczy bind","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4","NMoves":5,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c2c4"}
{"ECO":"B36","Opening":"Sicilian","Variation":"accelerated fianchetto, Gurgenidze variation","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6","NMoves":7,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c2c4 g8f6 b1c3 c6d4 d1d4 d7d6"}
{"ECO":"B37","Opening":"Sicilian","Variation":"accelerated fianchetto, Maroczy bind, 5...Bg7","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7","NMoves":5,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c2c4 f8g7"}
{"ECO":"B37","Opening":"Sicilian","Variation":"accelerated fianchetto, Simagin variation","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nc2 d6 7. Be2 Nh6","NMoves":7,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c2c4 f8g7 d4c2 d7d6 f1e2 g8h6"}
{"ECO":"B38","Opening":"Sicilian","Variation":"accelerated fianchetto, Maroczy bind, 6.Be3","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3","NMoves":6,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c2c4 f8g7 c1e3"}
{"ECO":"B39","Opening":"Sicilian","Variation":"accelerated fianchetto, Breyer variation","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4","NMoves":7,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c2c4 f8g7 c1e3 g8f6 b1c3 f6g4"}
{"ECO":"B40","Opening":"Sicilian defence","Movetext":"1. e4 c5 2. Nf3 e6","NMoves":2,"LAN":"e2e4 c7c5 g1f3 e7e6"}
{"ECO":"B40","Opening":"Sicilian","Variation":"Marshall variation","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 d5","NMoves":3,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 d7d5"}
{"ECO":"B40","Opening":"Sicilian defence","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4","NMoves":3,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4"}
{"ECO":"B40","Opening":"Sicilian","Variation":"Anderssen variation","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6","NMoves":4,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 g8f6"}
{"ECO":"B40","Opening":"Sicilian","Variation":"Pin variation (Sicilian counter-attack)","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4","NMoves":5,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 g8f6 b1c3 f8b4"}
{"ECO":"B40","Opening":"Sicilian","Variation":"Pin, Jaffe variation","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Bd3 e5","NMoves":6,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 g8f6 b1c3 f8b4 f1d3 e6e5"}
{"ECO":"B40","Opening":"Sicilian","Variation":"Pin, Koch variation","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e5","NMoves":6,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 g8f6 b1c3 f8b4 e4e5"}
{"ECO":"B41","Opening":"Sicilian","Variation":"Kan variation","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6","NMoves":4,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6"}
{"ECO":"B41","Opening":"Sicilian","Variation":"Kan, Maroczy bind (Reti variation)","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4","NMoves":5,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 c2c4"}
{"ECO":"B41","Opening":"Sicilian","Variation":"Kan, Maroczy bind - Bronstein variation","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8. Bc2","NMoves":8,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 c2c4 g8f6 b1c3 f8b4 f1d3 b8c6 d3c2"}
{"ECO":"B42","Opening":"Sicilian","Variation":"Kan, 5.Bd3","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3","NMoves":5,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 f1d3"}
{"ECO":"B42","Opening":"Sicilian","Variation":"Kan, Gipslis variation","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O d6 7. c4 g6","NMoves":7,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 f1d3 g8f6 e1g1 d7d6 c2c4 g7g6"}
{"ECO":"B42","Opening":"Sicilian","Variation":"Kan, Polugaievsky variation","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5","NMoves":5,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 f1d3 f8c5"}
{"ECO":"B42","Opening":"Sicilian","Variation":"Kan, Swiss cheese variation","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 g6","NMoves":5,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 f1d3 g7g6"}
{"ECO":"B43","Opening":"Sicilian","Variation":"Kan, 5.Nc3","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3","NMoves":5,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 b1c3"}
{"ECO":"B44","Opening":"Sicilian defence","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6","NMoves":4,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6"}
{"ECO":"B44","Opening":"Sicilian, Szen (`anti-Taimanov') variation","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5","NMoves":5,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 d4b5"}
{"ECO":"B44","Opening":"Sicilian, Szen, hedgehog variation","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8. Na3 Be7 9. Be2 O-O 10. O-O b6","NMoves":10,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 d4b5 d7d6 c2c4 g8f6 b1c3 a7a6 b5a3 f8e7 f1e2 e8g8 e1g1 b7b6"}
{"ECO":"B44","Opening":"Sicilian, Szen variation, Dely-Kasparov gambit","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8. Na3 d5","NMoves":8,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 d4b5 d7d6 c2c4 g8f6 b1c3 a7a6 b5a3 d6d5"}
{"ECO":"B45","Opening":"Sicilian","Variation":"Taimanov variation","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3","NMoves":5,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3"}
{"ECO":"B45","Opening":"Sicilian","Variation":"Taimanov, American attack","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 Bb4 7. Nd6+","NMoves":7,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 g8f6 d4b5 f8b4 b5d6"}
{"ECO":"B46","Opening":"Sicilian","Variation":"Taimanov variation","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6","NMoves":5,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 a7a6"}
{"ECO":"B47","Opening":"Sicilian","Variation":"Taimanov (Bastrikov) variation","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7","NMoves":5,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7"}
{"ECO":"B48","Opening":"Sicilian","Variation":"Taimanov variation","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3","NMoves":6,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 c1e3"}
{"ECO":"B49","Opening":"Sicilian","Variation":"Taimanov variation","Movetext":"1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2","NMoves":7,"LAN":"e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 c1e3 a7a6 f1e2"}
{"ECO":"B50","Opening":"Sicilian","Movetext":"1. e4 c5 2. Nf3 d6","NMoves":2,"LAN":"e2e4 c7c5 g1f3 d7d6"}
{"ECO":"B50","Opening":"Sicilian","Variation":"wing gambit deferred","Movetext":"1. e4 c5 2. Nf3 d6 3. b4","NMoves":3,"LAN":"e2e4 c7c5 g1f3 d7d6 b2b4"}
{"ECO":"B51","Opening":"Sicilian","Variation":"Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack","Movetext":"1. e4 c5 2. Nf3 d6 3. Bb5+","NMoves":3,"LAN":"e2e4 c7c5 g1f3 d7d6 f1b5"}
{"ECO":"B52","Opening":"Sicilian","Variation":"Canal-Sokolsky attack, 3...Bd7","Movetext":"1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7","NMoves":3,"LAN":"e2e4 c7c5 g1f3 d7d6 f1b5 c8d7"}
{"ECO":"B52","Opening":"Sicilian","Variation":"Canal-Sokolsky attack, Bronstein gambit","Movetext":"1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nc6 6. c3 Nf6 7. d4","NMoves":7,"LAN":"e2e4 c7c5 g1f3 d7d6 f1b5 c8d7 b5d7 d8d7 e1g1 b8c6 c2c3 g8f6 d2d4"}
{"ECO":"B52","Opening":"Sicilian","Variation":"Canal-Sokolsky attack, Sokolsky variation","Movetext":"1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4","NMoves":5,"LAN":"e2e4 c7c5 g1f3 d7d6 f1b5 c8d7 b5d7 d8d7 c2c4"}
{"ECO":"B53","Opening":"Sicilian, Chekhover variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4","NMoves":4,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 d1d4"}
{"ECO":"B53","Opening":"Sicilian","Variation":"Chekhover, Zaitsev variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Qd7","NMoves":5,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 d1d4 b8c6 f1b5 d8d7"}
{"ECO":"B54","Opening":"Sicilian","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4","NMoves":4,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4"}
{"ECO":"B54","Opening":"Sicilian","Variation":"Prins (Moscow) variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3","NMoves":5,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 f2f3"}
{"ECO":"B55","Opening":"Sicilian","Variation":"Prins variation, Venice attack","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Bb5+","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 f2f3 e7e5 f1b5"}
{"ECO":"B56","Opening":"Sicilian","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3","NMoves":5,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3"}
{"ECO":"B56","Opening":"Sicilian","Variation":"Venice attack","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Bb5+","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5 f1b5"}
{"ECO":"B56","Opening":"Sicilian","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6","NMoves":5,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6"}
{"ECO":"B57","Opening":"Sicilian","Variation":"Sozin, not Scheveningen","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 f1c4"}
{"ECO":"B57","Opening":"Sicilian","Variation":"Magnus Smith trap","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 g6 7. Nxc6 bxc6 8. e5","NMoves":8,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 f1c4 g7g6 d4c6 b7c6 e4e5"}
{"ECO":"B57","Opening":"Sicilian","Variation":"Sozin, Benko variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Qb6","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 f1c4 d8b6"}
{"ECO":"B58","Opening":"Sicilian","Variation":"classical","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2","NMoves":6,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 f1e2"}
{"ECO":"B58","Opening":"Sicilian","Variation":"Boleslavsky variation","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5","NMoves":6,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 f1e2 e7e5"}
{"ECO":"B58","Opening":"Sicilian","Variation":"Boleslavsky, Louma variation","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nxc6","NMoves":7,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 f1e2 e7e5 d4c6"}
{"ECO":"B59","Opening":"Sicilian","Variation":"Boleslavsky variation, 7.Nb3","Movetext":"1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3","NMoves":7,"LAN":"e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 f1e2 e7e5 d4b3"}
{"ECO":"B60","Opening":"Sicilian","Variation":"Richter-Rauzer","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5"}
{"ECO":"B60","Opening":"Sicilian","Variation":"Richter-Rauzer, Bondarevsky variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 g6","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 g7g6"}
{"ECO":"B60","Opening":"Sicilian","Variation":"Richter-Rauzer, Larsen variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 c8d7"}
{"ECO":"B61","Opening":"Sicilian","Variation":"Richter-Rauzer, Larsen variation, 7.Qd2","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7 7. Qd2","NMoves":7,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 c8d7 d1d2"}
{"ECO":"B62","Opening":"Sicilian","Variation":"Richter-Rauzer, 6...e6","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6"}
{"ECO":"B62","Opening":"Sicilian","Variation":"Richter-Rauzer, Podvebrady variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Nb3","NMoves":7,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d4b3"}
{"ECO":"B62","Opening":"Sicilian","Variation":"Richter-Rauzer, Margate (Alekhine) variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Bb5","NMoves":7,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 f1b5"}
{"ECO":"B62","Opening":"Sicilian","Variation":"Richter-Rauzer, Richter attack","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Nxc6","NMoves":7,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d4c6"}
{"ECO":"B62","Opening":"Sicilian","Variation":"Richter-Rauzer, Keres variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd3","NMoves":7,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d3"}
{"ECO":"B63","Opening":"Sicilian","Variation":"Richter-Rauzer, Rauzer attack","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2","NMoves":7,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2"}
{"ECO":"B63","Opening":"Sicilian","Variation":"Richter-Rauzer, Rauzer attack, 7...Be7","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7","NMoves":7,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 f8e7"}
{"ECO":"B64","Opening":"Sicilian","Variation":"Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9.f4","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4","NMoves":9,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 f8e7 e1c1 e8g8 f2f4"}
{"ECO":"B64","Opening":"Sicilian","Variation":"Richter-Rauzer, Rauzer attack, Geller variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 e5","NMoves":9,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 f8e7 e1c1 e8g8 f2f4 e6e5"}
{"ECO":"B65","Opening":"Sicilian","Variation":"Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4","NMoves":9,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 f8e7 e1c1 e8g8 f2f4 c6d4"}
{"ECO":"B65","Opening":"Sicilian","Variation":"Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4 10. Qxd4","NMoves":10,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 f8e7 e1c1 e8g8 f2f4 c6d4 d2d4"}
{"ECO":"B66","Opening":"Sicilian","Variation":"Richter-Rauzer, Rauzer attack, 7...a6","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6","NMoves":7,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 a7a6"}
{"ECO":"B67","Opening":"Sicilian","Variation":"Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7","NMoves":8,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 a7a6 e1c1 c8d7"}
{"ECO":"B68","Opening":"Sicilian","Variation":"Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be7","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7","NMoves":9,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 a7a6 e1c1 c8d7 f2f4 f8e7"}
{"ECO":"B69","Opening":"Sicilian","Variation":"Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf6","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6","NMoves":11,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 a7a6 e1c1 c8d7 f2f4 f8e7 d4f3 b7b5 g5f6"}
{"ECO":"B70","Opening":"Sicilian","Variation":"dragon variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6","NMoves":5,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6"}
{"ECO":"B71","Opening":"Sicilian","Variation":"dragon, Levenfish variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f2f4"}
{"ECO":"B71","Opening":"Sicilian","Variation":"dragon, Levenfish; Flohr variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nbd7","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f2f4 b8d7"}
{"ECO":"B72","Opening":"Sicilian","Variation":"dragon, 6.Be3","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3"}
{"ECO":"B72","Opening":"Sicilian","Variation":"dragon, classical attack","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2","NMoves":7,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2"}
{"ECO":"B72","Opening":"Sicilian","Variation":"dragon, classical, Amsterdam variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. Qd2","NMoves":8,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 d1d2"}
{"ECO":"B72","Opening":"Sicilian","Variation":"dragon, classical, Grigoriev variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. Qd2 O-O 9. O-O-O","NMoves":9,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 d1d2 e8g8 e1c1"}
{"ECO":"B72","Opening":"Sicilian","Variation":"dragon, classical, Nottingham variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. Nb3","NMoves":8,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 d4b3"}
{"ECO":"B73","Opening":"Sicilian","Variation":"dragon, classical, 8.O-O","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O","NMoves":8,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 e1g1"}
{"ECO":"B73","Opening":"Sicilian","Variation":"dragon, classical, Zollner gambit","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. f4 Qb6 10. e5","NMoves":10,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 e1g1 e8g8 f2f4 d8b6 e4e5"}
{"ECO":"B73","Opening":"Sicilian","Variation":"dragon, classical, Richter variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Qd2","NMoves":9,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 e1g1 e8g8 d1d2"}
{"ECO":"B74","Opening":"Sicilian","Variation":"dragon, classical, 9.Nb3","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Nb3","NMoves":9,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 e1g1 e8g8 d4b3"}
{"ECO":"B74","Opening":"Sicilian","Variation":"dragon, classical, Stockholm attack","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Nb3 Be6 10. f4 Na5 11. f5 Bc4 12. Nxa5 Bxe2 13. Qxe2 Qxa5 14. g4","NMoves":14,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 e1g1 e8g8 d4b3 c8e6 f2f4 c6a5 f4f5 e6c4 b3a5 c4e2 d1e2 d8a5 g2g4"}
{"ECO":"B74","Opening":"Sicilian","Variation":"dragon, classical, Spielmann variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Nb3 Be6 10. f4 Na5 11. f5 Bc4 12. Bd3","NMoves":12,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 e1g1 e8g8 d4b3 c8e6 f2f4 c6a5 f4f5 e6c4 e2d3"}
{"ECO":"B74","Opening":"Sicilian","Variation":"dragon, classical, Bernard defence","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Nb3 Be6 10. f4 Na5 11. f5 Bc4 12. Bd3 Bxd3 13. cxd3 d5","NMoves":13,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 e1g1 e8g8 d4b3 c8e6 f2f4 c6a5 f4f5 e6c4 e2d3 c4d3 c2d3 d6d5"}
{"ECO":"B74","Opening":"Sicilian","Variation":"dragon, classical, Reti-Tartakower variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Nb3 Be6 10. f4 Qc8","NMoves":10,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 e1g1 e8g8 d4b3 c8e6 f2f4 d8c8"}
{"ECO":"B74","Opening":"Sicilian","Variation":"dragon, classical, Alekhine variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Nb3 a5","NMoves":9,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 e1g1 e8g8 d4b3 a7a5"}
{"ECO":"B75","Opening":"Sicilian","Variation":"dragon, Yugoslav attack","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3","NMoves":7,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3"}
{"ECO":"B76","Opening":"Sicilian","Variation":"dragon, Yugoslav attack, 7...O-O","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O","NMoves":7,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 e8g8"}
{"ECO":"B76","Opening":"Sicilian","Variation":"dragon, Yugoslav attack, Rauser variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. O-O-O","NMoves":9,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 e8g8 d1d2 b8c6 e1c1"}
{"ECO":"B77","Opening":"Sicilian","Variation":"dragon, Yugoslav attack, 9.Bc4","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4","NMoves":9,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 e8g8 d1d2 b8c6 f1c4"}
{"ECO":"B77","Opening":"Sicilian","Variation":"dragon, Yugoslav attack, Byrne variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 a5","NMoves":9,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 e8g8 d1d2 b8c6 f1c4 a7a5"}
{"ECO":"B77","Opening":"Sicilian","Variation":"dragon, Yugoslav attack, 9...Bd7","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7","NMoves":9,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 e8g8 d1d2 b8c6 f1c4 c8d7"}
{"ECO":"B78","Opening":"Sicilian","Variation":"dragon, Yugoslav attack, 10.O-O-O","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O","NMoves":10,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 e8g8 d1d2 b8c6 f1c4 c8d7 e1c1"}
{"ECO":"B79","Opening":"Sicilian","Variation":"dragon, Yugoslav attack, 12.h4","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Qa5 11. Bb3 Rfc8 12. h4","NMoves":12,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 e8g8 d1d2 b8c6 f1c4 c8d7 e1c1 d8a5 c4b3 f8c8 h2h4"}
{"ECO":"B80","Opening":"Sicilian","Variation":"Scheveningen variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6","NMoves":5,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6"}
{"ECO":"B80","Opening":"Sicilian","Variation":"Scheveningen, English variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. Qd2","NMoves":7,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 c1e3 a7a6 d1d2"}
{"ECO":"B80","Opening":"Sicilian","Variation":"Scheveningen, Vitolins variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bb5+","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1b5"}
{"ECO":"B80","Opening":"Sicilian","Variation":"Scheveningen, fianchetto variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g3","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 g2g3"}
{"ECO":"B81","Opening":"Sicilian","Variation":"Scheveningen, Keres attack","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g4","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 g2g4"}
{"ECO":"B82","Opening":"Sicilian","Variation":"Scheveningen, 6.f4","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. f4","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f2f4"}
{"ECO":"B82","Opening":"Sicilian","Variation":"Scheveningen, Tal variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. f4 Nc6 7. Be3 Be7 8. Qf3","NMoves":8,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f2f4 b8c6 c1e3 f8e7 d1f3"}
{"ECO":"B83","Opening":"Sicilian","Variation":"Scheveningen, 6.Be2","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2"}
{"ECO":"B83","Opening":"Sicilian","Variation":"modern Scheveningen","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Nc6","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 b8c6"}
{"ECO":"B83","Opening":"Sicilian","Variation":"modern Scheveningen, main line","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Nc6 7. O-O Be7 8. Be3 O-O 9. f4","NMoves":9,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 b8c6 e1g1 f8e7 c1e3 e8g8 f2f4"}
{"ECO":"B83","Opening":"Sicilian","Variation":"modern Scheveningen, main line with Nb3","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Nc6 7. O-O Be7 8. Be3 O-O 9. f4 Bd7 10. Nb3","NMoves":10,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 b8c6 e1g1 f8e7 c1e3 e8g8 f2f4 c8d7 d4b3"}
{"ECO":"B84","Opening":"Sicilian","Variation":"Scheveningen (Paulsen), classical variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6"}
{"ECO":"B84","Opening":"Sicilian","Variation":"Scheveningen, classical, Nd7 system","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Nbd7","NMoves":7,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6 e1g1 b8d7"}
{"ECO":"B84","Opening":"Sicilian","Variation":"Scheveningen (Paulsen), classical variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Qc7","NMoves":7,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6 e1g1 d8c7"}
{"ECO":"B85","Opening":"Sicilian","Variation":"Scheveningen, classical variation with ...Qc7 and ...Nc6","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6","NMoves":8,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6 e1g1 d8c7 f2f4 b8c6"}
{"ECO":"B85","Opening":"Sicilian","Variation":"Scheveningen, classical, Maroczy system","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6 9. Kh1 Be7 10. a4","NMoves":10,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6 e1g1 d8c7 f2f4 b8c6 g1h1 f8e7 a2a4"}
{"ECO":"B85","Opening":"Sicilian","Variation":"Scheveningen, classical","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6 9. Be3","NMoves":9,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6 e1g1 d8c7 f2f4 b8c6 c1e3"}
{"ECO":"B85","Opening":"Sicilian","Variation":"Scheveningen, classical main line","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6 9. Be3 Be7 10. Qe1 O-O","NMoves":10,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6 e1g1 d8c7 f2f4 b8c6 c1e3 f8e7 d1e1 e8g8"}
{"ECO":"B86","Opening":"Sicilian","Variation":"Sozin attack","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1c4"}
{"ECO":"B87","Opening":"Sicilian","Variation":"Sozin with ...a6 and ...b5","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 a6 7. Bb3 b5","NMoves":7,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1c4 a7a6 c4b3 b7b5"}
{"ECO":"B88","Opening":"Sicilian","Variation":"Sozin, Leonhardt variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 Nc6","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1c4 b8c6"}
{"ECO":"B88","Opening":"Sicilian","Variation":"Sozin, Fischer variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 Nc6 7. Bb3 Be7 8. Be3 O-O 9. f4","NMoves":9,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1c4 b8c6 c4b3 f8e7 c1e3 e8g8 f2f4"}
{"ECO":"B89","Opening":"Sicilian","Variation":"Sozin, 7.Be3","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 Nc6 7. Be3","NMoves":7,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1c4 b8c6 c1e3"}
{"ECO":"B89","Opening":"Sicilian","Variation":"Velimirovic attack","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 Nc6 7. Be3 Be7 8. Qe2","NMoves":8,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1c4 b8c6 c1e3 f8e7 d1e2"}
{"ECO":"B90","Opening":"Sicilian","Variation":"Najdorf","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6","NMoves":5,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6"}
{"ECO":"B90","Opening":"Sicilian","Variation":"Najdorf, Adams attack","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 h2h3"}
{"ECO":"B90","Opening":"Sicilian","Variation":"Najdorf, Lipnitzky attack","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f1c4"}
{"ECO":"B90","Opening":"Sicilian","Variation":"Najdorf, Byrne (English) attack","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1e3"}
{"ECO":"B91","Opening":"Sicilian","Variation":"Najdorf, Zagreb (fianchetto) variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 g2g3"}
{"ECO":"B92","Opening":"Sicilian","Variation":"Najdorf, Opovcensky variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f1e2"}
{"ECO":"B93","Opening":"Sicilian","Variation":"Najdorf, 6.f4","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f2f4"}
{"ECO":"B94","Opening":"Sicilian","Variation":"Najdorf, 6.Bg5","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5"}
{"ECO":"B94","Opening":"Sicilian","Variation":"Najdorf, Ivkov variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bc4 Qa5 8. Qd2 e6 9. O-O-O b5 10. Bb3 Bb7 11. Rhe1 Nc5 12. e5","NMoves":12,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 b8d7 f1c4 d8a5 d1d2 e7e6 e1c1 b7b5 c4b3 c8b7 h1e1 d7c5 e4e5"}
{"ECO":"B95","Opening":"Sicilian","Variation":"Najdorf, 6...e6","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6","NMoves":6,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6"}
{"ECO":"B96","Opening":"Sicilian","Variation":"Najdorf, 7.f4","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4","NMoves":7,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4"}
{"ECO":"B96","Opening":"Sicilian","Variation":"Najdorf, Polugayevsky variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5","NMoves":7,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 b7b5"}
{"ECO":"B96","Opening":"Sicilian","Variation":"Najdorf, Polugayevsky, Simagin variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 8. e5 dxe5 9. fxe5 Qc7 10. Qe2","NMoves":10,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 b7b5 e4e5 d6e5 f4e5 d8c7 d1e2"}
{"ECO":"B97","Opening":"Sicilian","Variation":"Najdorf, 7...Qb6","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6","NMoves":7,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 d8b6"}
{"ECO":"B97","Opening":"Sicilian","Variation":"Najdorf, Poisoned pawn variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3","NMoves":9,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 d8b6 d1d2 b6b2 a1b1 b2a3"}
{"ECO":"B98","Opening":"Sicilian","Variation":"Najdorf, 7...Be7","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7","NMoves":7,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 f8e7"}
{"ECO":"B98","Opening":"Sicilian","Variation":"Najdorf, Browne variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Qc7","NMoves":9,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 f8e7 d1f3 h7h6 g5h4 d8c7"}
{"ECO":"B98","Opening":"Sicilian","Variation":"Najdorf, Goteborg (Argentine) variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 g5","NMoves":9,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 f8e7 d1f3 h7h6 g5h4 g7g5"}
{"ECO":"B98","Opening":"Sicilian","Variation":"Najdorf variation","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7","NMoves":8,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 f8e7 d1f3 d8c7"}
{"ECO":"B99","Opening":"Sicilian","Variation":"Najdorf, 7...Be7 main line","Movetext":"1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7","NMoves":9,"LAN":"e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 f8e7 d1f3 d8c7 e1c1 b8d7"}
{"ECO":"C00","Opening":"French defence","Movetext":"1. e4 e6","NMoves":1,"LAN":"e2e4 e7e6"}
{"ECO":"C00","Opening":"French defence, Steiner variation","Movetext":"1. e4 e6 2. c4","NMoves":2,"LAN":"e2e4 e7e6 c2c4"}
{"ECO":"C00","Opening":"French","Variation":"Reti (Spielmann) variation","Movetext":"1. e4 e6 2. b3","NMoves":2,"LAN":"e2e4 e7e6 b2b3"}
{"ECO":"C00","Opening":"French","Variation":"Steinitz attack","Movetext":"1. e4 e6 2. e5","NMoves":2,"LAN":"e2e4 e7e6 e4e5"}
{"ECO":"C00","Opening":"French","Variation":"Labourdonnais variation","Movetext":"1. e4 e6 2. f4","NMoves":2,"LAN":"e2e4 e7e6 f2f4"}
{"ECO":"C00","Opening":"French defence","Movetext":"1. e4 e6 2. Nf3","NMoves":2,"LAN":"e2e4 e7e6 g1f3"}
{"ECO":"C00","Opening":"French","Variation":"Wing gambit","Movetext":"1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4","NMoves":4,"LAN":"e2e4 e7e6 g1f3 d7d5 e4e5 c7c5 b2b4"}
{"ECO":"C00","Opening":"French defence","Movetext":"1. e4 e6 2. Nc3","NMoves":2,"LAN":"e2e4 e7e6 b1c3"}
{"ECO":"C00","Opening":"French","Variation":"Pelikan variation","Movetext":"1. e4 e6 2. Nc3 d5 3. f4","NMoves":3,"LAN":"e2e4 e7e6 b1c3 d7d5 f2f4"}
{"ECO":"C00","Opening":"French","Variation":"Two knights variation","Movetext":"1. e4 e6 2. Nc3 d5 3. Nf3","NMoves":3,"LAN":"e2e4 e7e6 b1c3 d7d5 g1f3"}
{"ECO":"C00","Opening":"French","Variation":"Chigorin variation","Movetext":"1. e4 e6 2. Qe2","NMoves":2,"LAN":"e2e4 e7e6 d1e2"}
{"ECO":"C00","Opening":"French","Variation":"King's Indian attack","Movetext":"1. e4 e6 2. d3","NMoves":2,"LAN":"e2e4 e7e6 d2d3"}
{"ECO":"C00","Opening":"French","Variation":"Reversed Philidor formation","Movetext":"1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Nc6 5. Be2","NMoves":5,"LAN":"e2e4 e7e6 d2d3 d7d5 b1d2 g8f6 g1f3 b8c6 f1e2"}
{"ECO":"C00","Opening":"French defence","Movetext":"1. e4 e6 2. d4","NMoves":2,"LAN":"e2e4 e7e6 d2d4"}
{"ECO":"C00","Opening":"Lengfellner system","Movetext":"1. e4 e6 2. d4 d6","NMoves":2,"LAN":"e2e4 e7e6 d2d4 d7d6"}
{"ECO":"C00","Opening":"St. George defence","Movetext":"1. e4 e6 2. d4 a6","NMoves":2,"LAN":"e2e4 e7e6 d2d4 a7a6"}
{"ECO":"C00","Opening":"French defence","Movetext":"1. e4 e6 2. d4 d5","NMoves":2,"LAN":"e2e4 e7e6 d2d4 d7d5"}
{"ECO":"C00","Opening":"French","Variation":"Schlechter variation","Movetext":"1. e4 e6 2. d4 d5 3. Bd3","NMoves":3,"LAN":"e2e4 e7e6 d2d4 d7d5 f1d3"}
{"ECO":"C00","Opening":"French","Variation":"Alapin variation","Movetext":"1. e4 e6 2. d4 d5 3. Be3","NMoves":3,"LAN":"e2e4 e7e6 d2d4 d7d5 c1e3"}
{"ECO":"C01","Opening":"French","Variation":"exchange variation","Movetext":"1. e4 e6 2. d4 d5 3. exd5","NMoves":3,"LAN":"e2e4 e7e6 d2d4 d7d5 e4d5"}
{"ECO":"C01","Opening":"French","Variation":"exchange, Svenonius variation","Movetext":"1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 Nf6 5. Bg5","NMoves":5,"LAN":"e2e4 e7e6 d2d4 d7d5 e4d5 e6d5 b1c3 g8f6 c1g5"}
{"ECO":"C01","Opening":"French","Variation":"exchange, Bogolyubov variation","Movetext":"1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 Nf6 5. Bg5 Nc6","NMoves":5,"LAN":"e2e4 e7e6 d2d4 d7d5 e4d5 e6d5 b1c3 g8f6 c1g5 b8c6"}
{"ECO":"C02","Opening":"French","Variation":"advance variation","Movetext":"1. e4 e6 2. d4 d5 3. e5","NMoves":3,"LAN":"e2e4 e7e6 d2d4 d7d5 e4e5"}
{"ECO":"C02","Opening":"French","Variation":"advance, Steinitz variation","Movetext":"1. e4 e6 2. d4 d5 3. e5 c5 4. dxc5","NMoves":4,"LAN":"e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 d4c5"}
{"ECO":"C02","Opening":"French","Variation":"advance, Nimzovich variation","Movetext":"1. e4 e6 2. d4 d5 3. e5 c5 4. Qg4","NMoves":4,"LAN":"e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 d1g4"}
{"ECO":"C02","Opening":"French","Variation":"advance, Nimzovich system","Movetext":"1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3","NMoves":4,"LAN":"e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 g1f3"}
{"ECO":"C02","Opening":"French","Variation":"advance variation","Movetext":"1. e4 e6 2. d4 d5 3. e5 c5 4. c3","NMoves":4,"LAN":"e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 c2c3"}
{"ECO":"C02","Opening":"French","Variation":"advance, Wade variation","Movetext":"1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7","NMoves":5,"LAN":"e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 c2c3 d8b6 g1f3 c8d7"}
{"ECO":"C02","Opening":"French","Variation":"advance variation","Movetext":"1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6","NMoves":4,"LAN":"e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 c2c3 b8c6"}
{"ECO":"C02","Opening":"French","Variation":"advance, Paulsen attack","Movetext":"1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3","NMoves":5,"LAN":"e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 c2c3 b8c6 g1f3"}
{"ECO":"C02","Opening":"French","Variation":"advance, Milner-Barry gambit","Movetext":"1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 c2c3 b8c6 g1f3 d8b6 f1d3"}
{"ECO":"C02","Opening":"French","Variation":"advance, Euwe variation","Movetext":"1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7","NMoves":5,"LAN":"e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 c2c3 b8c6 g1f3 c8d7"}
{"ECO":"C03","Opening":"French","Variation":"Tarrasch","Movetext":"1. e4 e6 2. d4 d5 3. Nd2","NMoves":3,"LAN":"e2e4 e7e6 d2d4 d7d5 b1d2"}
{"ECO":"C03","Opening":"French","Variation":"Tarrasch, Haberditz variation","Movetext":"1. e4 e6 2. d4 d5 3. Nd2 f5","NMoves":3,"LAN":"e2e4 e7e6 d2d4 d7d5 b1d2 f7f5"}
{"ECO":"C03","Opening":"French","Variation":"Tarrasch, Guimard variation","Movetext":"1. e4 e6 2. d4 d5 3. Nd2 Nc6","NMoves":3,"LAN":"e2e4 e7e6 d2d4 d7d5 b1d2 b8c6"}
{"ECO":"C04","Opening":"French","Variation":"Tarrasch, Guimard main line","Movetext":"1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6","NMoves":4,"LAN":"e2e4 e7e6 d2d4 d7d5 b1d2 b8c6 g1f3 g8f6"}
{"ECO":"C05","Opening":"French","Variation":"Tarrasch, closed variation","Movetext":"1. e4 e6 2. d4 d5 3. Nd2 Nf6","NMoves":3,"LAN":"e2e4 e7e6 d2d4 d7d5 b1d2 g8f6"}
{"ECO":"C05","Opening":"French","Variation":"Tarrasch, Botvinnik variation","Movetext":"1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 b6","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1d2 g8f6 e4e5 f6d7 f1d3 c7c5 c2c3 b7b6"}
{"ECO":"C05","Opening":"French","Variation":"Tarrasch, closed variation","Movetext":"1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1d2 g8f6 e4e5 f6d7 f1d3 c7c5 c2c3 b8c6"}
{"ECO":"C06","Opening":"French","Variation":"Tarrasch, closed variation, main line","Movetext":"1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4","NMoves":8,"LAN":"e2e4 e7e6 d2d4 d7d5 b1d2 g8f6 e4e5 f6d7 f1d3 c7c5 c2c3 b8c6 g1e2 c5d4 c3d4"}
{"ECO":"C06","Opening":"French","Variation":"Tarrasch, Leningrad variation","Movetext":"1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 Nb6","NMoves":8,"LAN":"e2e4 e7e6 d2d4 d7d5 b1d2 g8f6 e4e5 f6d7 f1d3 c7c5 c2c3 b8c6 g1e2 c5d4 c3d4 d7b6"}
{"ECO":"C07","Opening":"French","Variation":"Tarrasch, open variation","Movetext":"1. e4 e6 2. d4 d5 3. Nd2 c5","NMoves":3,"LAN":"e2e4 e7e6 d2d4 d7d5 b1d2 c7c5"}
{"ECO":"C07","Opening":"French","Variation":"Tarrasch, Eliskases variation","Movetext":"1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd8","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1d2 c7c5 e4d5 d8d5 g1f3 c5d4 f1c4 d5d8"}
{"ECO":"C08","Opening":"French","Variation":"Tarrasch, open, 4.ed ed","Movetext":"1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5","NMoves":4,"LAN":"e2e4 e7e6 d2d4 d7d5 b1d2 c7c5 e4d5 e6d5"}
{"ECO":"C09","Opening":"French","Variation":"Tarrasch, open variation, main line","Movetext":"1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6","NMoves":5,"LAN":"e2e4 e7e6 d2d4 d7d5 b1d2 c7c5 e4d5 e6d5 g1f3 b8c6"}
{"ECO":"C10","Opening":"French","Variation":"Paulsen variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3","NMoves":3,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3"}
{"ECO":"C10","Opening":"French","Variation":"Marshall variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 c5","NMoves":3,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 c7c5"}
{"ECO":"C10","Opening":"French","Variation":"Rubinstein variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 dxe4","NMoves":3,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 d5e4"}
{"ECO":"C10","Opening":"French","Variation":"Fort Knox variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6","NMoves":5,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 d5e4 c3e4 c8d7 g1f3 d7c6"}
{"ECO":"C10","Opening":"French","Variation":"Rubinstein variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7","NMoves":4,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 d5e4 c3e4 b8d7"}
{"ECO":"C10","Opening":"French","Variation":"Rubinstein, Capablanca line","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Ne5","NMoves":7,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 d5e4 c3e4 b8d7 g1f3 g8f6 e4f6 d7f6 f3e5"}
{"ECO":"C10","Opening":"French","Variation":"Frere (Becker) variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Qd5","NMoves":4,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 d5e4 c3e4 d8d5"}
{"ECO":"C11","Opening":"French defence","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6","NMoves":3,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6"}
{"ECO":"C11","Opening":"French","Variation":"Swiss variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bd3","NMoves":4,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 f1d3"}
{"ECO":"C11","Opening":"French","Variation":"Henneberger variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Be3","NMoves":4,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1e3"}
{"ECO":"C11","Opening":"French","Variation":"Steinitz variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5","NMoves":4,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5"}
{"ECO":"C11","Opening":"French","Variation":"Steinitz, Bradford attack","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. dxc5 Bxc5 7. Qg4","NMoves":7,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5 f6d7 f2f4 c7c5 d4c5 f8c5 d1g4"}
{"ECO":"C11","Opening":"French","Variation":"Steinitz variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. dxc5 Nc6","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5 f6d7 f2f4 c7c5 d4c5 b8c6"}
{"ECO":"C11","Opening":"French","Variation":"Steinitz, Brodsky-Jones variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. dxc5 Nc6 7. a3 Bxc5 8. Qg4 O-O 9. Nf3 f6","NMoves":9,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5 f6d7 f2f4 c7c5 d4c5 b8c6 a2a3 f8c5 d1g4 e8g8 g1f3 f7f6"}
{"ECO":"C11","Opening":"French","Variation":"Steinitz variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5 f6d7 f2f4 c7c5 g1f3"}
{"ECO":"C11","Opening":"French","Variation":"Steinitz, Boleslavsky variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3","NMoves":7,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5 f6d7 f2f4 c7c5 g1f3 b8c6 c1e3"}
{"ECO":"C11","Opening":"French","Variation":"Steinitz, Gledhill attack","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Qg4","NMoves":5,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5 f6d7 d1g4"}
{"ECO":"C11","Opening":"French","Variation":"Burn variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4","NMoves":4,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 d5e4"}
{"ECO":"C12","Opening":"French","Variation":"MacCutcheon variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4","NMoves":4,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4"}
{"ECO":"C12","Opening":"French","Variation":"MacCutcheon, Bogolyubov variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. exd5 Qxd5 6. Bxf6 gxf6 7. Qd2 Qa5","NMoves":7,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4d5 d8d5 g5f6 g7f6 d1d2 d5a5"}
{"ECO":"C12","Opening":"French","Variation":"MacCutcheon, advance variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5","NMoves":5,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5"}
{"ECO":"C12","Opening":"French","Variation":"MacCutcheon, Chigorin variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. exf6","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 e5f6"}
{"ECO":"C12","Opening":"French","Variation":"MacCutcheon, Grigoriev variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. exf6 hxg5 7. fxg7 Rg8 8. h4 gxh4 9. Qg4","NMoves":9,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 e5f6 h6g5 f6g7 h8g8 h2h4 g5h4 d1g4"}
{"ECO":"C12","Opening":"French","Variation":"MacCutcheon, Bernstein variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bh4","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 g5h4"}
{"ECO":"C12","Opening":"French","Variation":"MacCutcheon, Janowski variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Be3","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 g5e3"}
{"ECO":"C12","Opening":"French","Variation":"MacCutcheon, Dr. Olland (Dutch) variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bc1","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 g5c1"}
{"ECO":"C12","Opening":"French","Variation":"MacCutcheon, Tartakower variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Nfd7","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 g5d2 f6d7"}
{"ECO":"C12","Opening":"French","Variation":"MacCutcheon, Lasker variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 g5d2 b4c3"}
{"ECO":"C12","Opening":"French","Variation":"MacCutcheon, Duras variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 Kf8 9. Bc1","NMoves":9,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 g5d2 b4c3 b2c3 f6e4 d1g4 e8f8 d2c1"}
{"ECO":"C12","Opening":"French","Variation":"MacCutcheon, Lasker variation, 8...g6","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6","NMoves":8,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 g5d2 b4c3 b2c3 f6e4 d1g4 g7g6"}
{"ECO":"C13","Opening":"French","Variation":"classical","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7","NMoves":4,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7"}
{"ECO":"C13","Opening":"French","Variation":"classical, Anderssen variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6","NMoves":5,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 g5f6"}
{"ECO":"C13","Opening":"French","Variation":"classical, Anderssen-Richter variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. e5 Be7 7. Qg4","NMoves":7,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 g5f6 e7f6 e4e5 f6e7 d1g4"}
{"ECO":"C13","Opening":"French","Variation":"classical, Vistaneckis (Nimzovich) variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Ng8","NMoves":5,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6g8"}
{"ECO":"C13","Opening":"French","Variation":"classical, Frankfurt variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Ng8 6. Be3 b6","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6g8 g5e3 b7b6"}
{"ECO":"C13","Opening":"French","Variation":"classical, Tartakower variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Ne4","NMoves":5,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6e4"}
{"ECO":"C13","Opening":"French","Variation":"Albin-Alekhine-Chatard attack","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 h2h4"}
{"ECO":"C13","Opening":"French","Variation":"Albin-Alekhine-Chatard attack, Maroczy variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 a6","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 h2h4 a7a6"}
{"ECO":"C13","Opening":"French","Variation":"Albin-Alekhine-Chatard attack, Breyer variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 c5","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 h2h4 c7c5"}
{"ECO":"C13","Opening":"French","Variation":"Albin-Alekhine-Chatard attack, Teichmann variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 f6","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 h2h4 f7f6"}
{"ECO":"C13","Opening":"French","Variation":"Albin-Alekhine-Chatard attack, Spielmann variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 O-O","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 h2h4 e8g8"}
{"ECO":"C14","Opening":"French","Variation":"classical variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 g5e7 d8e7"}
{"ECO":"C14","Opening":"French","Variation":"classical, Tarrasch variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Bd3","NMoves":7,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 g5e7 d8e7 f1d3"}
{"ECO":"C14","Opening":"French","Variation":"classical, Rubinstein variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Qd2","NMoves":7,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 g5e7 d8e7 d1d2"}
{"ECO":"C14","Opening":"French","Variation":"classical, Alapin variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Nb5","NMoves":7,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 g5e7 d8e7 c3b5"}
{"ECO":"C14","Opening":"French","Variation":"classical, Pollock variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Qg4","NMoves":7,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 g5e7 d8e7 d1g4"}
{"ECO":"C14","Opening":"French","Variation":"classical, Steinitz variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4","NMoves":7,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 g5e7 d8e7 f2f4"}
{"ECO":"C14","Opening":"French","Variation":"classical, Stahlberg variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 O-O 8. Nf3 c5 9. Qd2 Nc6 10. O-O-O c4","NMoves":10,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 g5e7 d8e7 f2f4 e8g8 g1f3 c7c5 d1d2 b8c6 e1c1 c5c4"}
{"ECO":"C15","Opening":"French","Variation":"Winawer (Nimzovich) variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4","NMoves":3,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4"}
{"ECO":"C15","Opening":"French","Variation":"Winawer, Kondratiyev variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd3 c5 5. exd5 Qxd5 6. Bd2","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 f1d3 c7c5 e4d5 d8d5 c1d2"}
{"ECO":"C15","Opening":"French","Variation":"Winawer, fingerslip variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd2","NMoves":4,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 c1d2"}
{"ECO":"C15","Opening":"French","Variation":"Winawer, Alekhine (Maroczy) gambit","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne2","NMoves":4,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 g1e2"}
{"ECO":"C15","Opening":"French","Variation":"Winawer, Alekhine gambit, Alatortsev variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne2 dxe4 5. a3 Be7 6. Nxe4 Nf6 7. N2g3 O-O 8. Be2 Nc6","NMoves":8,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 g1e2 d5e4 a2a3 b4e7 c3e4 g8f6 e2g3 e8g8 f1e2 b8c6"}
{"ECO":"C15","Opening":"French","Variation":"Winawer, Alekhine gambit","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne2 dxe4 5. a3 Bxc3+","NMoves":5,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 g1e2 d5e4 a2a3 b4c3"}
{"ECO":"C15","Opening":"French","Variation":"Winawer, Alekhine gambit, Kan variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne2 dxe4 5. a3 Bxc3+ 6. Nxc3 Nc6","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 g1e2 d5e4 a2a3 b4c3 e2c3 b8c6"}
{"ECO":"C16","Opening":"French","Variation":"Winawer, advance variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5","NMoves":4,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5"}
{"ECO":"C16","Opening":"French","Variation":"Winawer, Petrosian variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd7","NMoves":4,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 d8d7"}
{"ECO":"C17","Opening":"French","Variation":"Winawer, advance variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5","NMoves":4,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5"}
{"ECO":"C17","Opening":"French","Variation":"Winawer, advance, Bogolyubov variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2","NMoves":5,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 c1d2"}
{"ECO":"C17","Opening":"French","Variation":"Winawer, advance, Russian variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Qg4","NMoves":5,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 d1g4"}
{"ECO":"C17","Opening":"French","Variation":"Winawer, advance, 5.a3","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3","NMoves":5,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3"}
{"ECO":"C17","Opening":"French","Variation":"Winawer, advance, Rauzer variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 cxd4 6. axb4 dxc3 7. Nf3","NMoves":7,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 c5d4 a3b4 d4c3 g1f3"}
{"ECO":"C18","Opening":"French","Variation":"Winawer, advance variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3 b2c3"}
{"ECO":"C18","Opening":"French","Variation":"Winawer, classical variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3 b2c3 d8c7"}
{"ECO":"C19","Opening":"French","Variation":"Winawer, advance, 6...Ne7","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7","NMoves":6,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3 b2c3 g8e7"}
{"ECO":"C19","Opening":"French","Variation":"Winawer, advance, Smyslov variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4","NMoves":7,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3 b2c3 g8e7 a3a4"}
{"ECO":"C19","Opening":"French","Variation":"Winawer, advance, positional main line","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3","NMoves":7,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3 b2c3 g8e7 g1f3"}
{"ECO":"C19","Opening":"French","Variation":"Winawer, advance, poisoned pawn variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4","NMoves":7,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3 b2c3 g8e7 d1g4"}
{"ECO":"C19","Opening":"French","Variation":"Winawer, advance, poisoned pawn, Euwe-Gligoric variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Kd1","NMoves":10,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3 b2c3 g8e7 d1g4 d8c7 g4g7 h8g8 g7h7 c5d4 e1d1"}
{"ECO":"C19","Opening":"French","Variation":"Winawer, advance, poisoned pawn, Konstantinopolsky variation","Movetext":"1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2","NMoves":10,"LAN":"e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3 b2c3 g8e7 d1g4 d8c7 g4g7 h8g8 g7h7 c5d4 g1e2"}
{"ECO":"C20","Opening":"King's pawn game","Movetext":"1. e4 e5","NMoves":1,"LAN":"e2e4 e7e5"}
{"ECO":"C20","Opening":"KP","Variation":"Indian opening","Movetext":"1. e4 e5 2. d3","NMoves":2,"LAN":"e2e4 e7e5 d2d3"}
{"ECO":"C20","Opening":"KP","Variation":"Mengarini's opening","Movetext":"1. e4 e5 2. a3","NMoves":2,"LAN":"e2e4 e7e5 a2a3"}
{"ECO":"C20","Opening":"KP","Variation":"King's head opening","Movetext":"1. e4 e5 2. f3","NMoves":2,"LAN":"e2e4 e7e5 f2f3"}
{"ECO":"C20","Opening":"KP","Variation":"Patzer opening","Movetext":"1. e4 e5 2. Qh5","NMoves":2,"LAN":"e2e4 e7e5 d1h5"}
{"ECO":"C20","Opening":"KP","Variation":"Napoleon's opening","Movetext":"1. e4 e5 2. Qf3","NMoves":2,"LAN":"e2e4 e7e5 d1f3"}
{"ECO":"C20","Opening":"KP","Variation":"Lopez opening","Movetext":"1. e4 e5 2. c3","NMoves":2,"LAN":"e2e4 e7e5 c2c3"}
{"ECO":"C20","Opening":"Alapin's opening","Movetext":"1. e4 e5 2. Ne2","NMoves":2,"LAN":"e2e4 e7e5 g1e2"}
{"ECO":"C21","Opening":"Centre game","Movetext":"1. e4 e5 2. d4 exd4","NMoves":2,"LAN":"e2e4 e7e5 d2d4 e5d4"}
{"ECO":"C21","Opening":"Centre game, Kieseritsky variation","Movetext":"1. e4 e5 2. d4 exd4 3. Nf3 c5 4. Bc4 b5","NMoves":4,"LAN":"e2e4 e7e5 d2d4 e5d4 g1f3 c7c5 f1c4 b7b5"}
{"ECO":"C21","Opening":"Halasz gambit","Movetext":"1. e4 e5 2. d4 exd4 3. f4","NMoves":3,"LAN":"e2e4 e7e5 d2d4 e5d4 f2f4"}
{"ECO":"C21","Opening":"Danish gambit","Movetext":"1. e4 e5 2. d4 exd4 3. c3","NMoves":3,"LAN":"e2e4 e7e5 d2d4 e5d4 c2c3"}
{"ECO":"C21","Opening":"Danish gambit","Variation":"Collijn defence","Movetext":"1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 5. Bxb2 Qe7","NMoves":5,"LAN":"e2e4 e7e5 d2d4 e5d4 c2c3 d4c3 f1c4 c3b2 c1b2 d8e7"}
{"ECO":"C21","Opening":"Danish gambit","Variation":"Schlechter defence","Movetext":"1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 5. Bxb2 d5","NMoves":5,"LAN":"e2e4 e7e5 d2d4 e5d4 c2c3 d4c3 f1c4 c3b2 c1b2 d7d5"}
{"ECO":"C21","Opening":"Danish gambit","Variation":"Soerensen defence","Movetext":"1. e4 e5 2. d4 exd4 3. c3 d5","NMoves":3,"LAN":"e2e4 e7e5 d2d4 e5d4 c2c3 d7d5"}
{"ECO":"C21","Opening":"Centre game","Movetext":"1. e4 e5 2. d4 exd4 3. Qxd4","NMoves":3,"LAN":"e2e4 e7e5 d2d4 e5d4 d1d4"}
{"ECO":"C22","Opening":"Centre game","Movetext":"1. e4 e5 2. d4 exd4 3. Qxd4 Nc6","NMoves":3,"LAN":"e2e4 e7e5 d2d4 e5d4 d1d4 b8c6"}
{"ECO":"C22","Opening":"Centre game","Variation":"Paulsen attack","Movetext":"1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3","NMoves":4,"LAN":"e2e4 e7e5 d2d4 e5d4 d1d4 b8c6 d4e3"}
{"ECO":"C22","Opening":"Centre game","Variation":"Charousek variation","Movetext":"1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Bb4+ 5. c3 Be7","NMoves":5,"LAN":"e2e4 e7e5 d2d4 e5d4 d1d4 b8c6 d4e3 f8b4 c2c3 b4e7"}
{"ECO":"C22","Opening":"Centre game","Variation":"l'Hermet variation","Movetext":"1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 f5","NMoves":4,"LAN":"e2e4 e7e5 d2d4 e5d4 d1d4 b8c6 d4e3 f7f5"}
{"ECO":"C22","Opening":"Centre game","Variation":"Berger variation","Movetext":"1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6","NMoves":4,"LAN":"e2e4 e7e5 d2d4 e5d4 d1d4 b8c6 d4e3 g8f6"}
{"ECO":"C22","Opening":"Centre game","Variation":"Kupreichik variation","Movetext":"1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Bb4 6. Bd2 O-O 7. O-O-O Re8 8. Bc4 d6 9. Nh3","NMoves":9,"LAN":"e2e4 e7e5 d2d4 e5d4 d1d4 b8c6 d4e3 g8f6 b1c3 f8b4 c1d2 e8g8 e1c1 f8e8 f1c4 d7d6 g1h3"}
{"ECO":"C22","Opening":"Centre game","Variation":"Hall variation","Movetext":"1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qc4","NMoves":4,"LAN":"e2e4 e7e5 d2d4 e5d4 d1d4 b8c6 d4c4"}
{"ECO":"C23","Opening":"Bishop's opening","Movetext":"1. e4 e5 2. Bc4","NMoves":2,"LAN":"e2e4 e7e5 f1c4"}
{"ECO":"C23","Opening":"Bishop's opening","Variation":"Philidor counter-attack","Movetext":"1. e4 e5 2. Bc4 c6","NMoves":2,"LAN":"e2e4 e7e5 f1c4 c7c6"}
{"ECO":"C23","Opening":"Bishop's opening","Variation":"Lisitsyn variation","Movetext":"1. e4 e5 2. Bc4 c6 3. d4 d5 4. exd5 cxd5 5. Bb5+ Bd7 6. Bxd7+ Nxd7 7. dxe5 Nxe5 8. Ne2","NMoves":8,"LAN":"e2e4 e7e5 f1c4 c7c6 d2d4 d7d5 e4d5 c6d5 c4b5 c8d7 b5d7 b8d7 d4e5 d7e5 g1e2"}
{"ECO":"C23","Opening":"Bishop's opening","Variation":"Calabrese counter-gambit","Movetext":"1. e4 e5 2. Bc4 f5","NMoves":2,"LAN":"e2e4 e7e5 f1c4 f7f5"}
{"ECO":"C23","Opening":"Bishop's opening","Variation":"Calabrese counter-gambit, Jaenisch variation","Movetext":"1. e4 e5 2. Bc4 f5 3. d3","NMoves":3,"LAN":"e2e4 e7e5 f1c4 f7f5 d2d3"}
{"ECO":"C23","Opening":"Bishop's opening","Variation":"Classical variation","Movetext":"1. e4 e5 2. Bc4 Bc5","NMoves":2,"LAN":"e2e4 e7e5 f1c4 f8c5"}
{"ECO":"C23","Opening":"Bishop's opening","Variation":"Lopez gambit","Movetext":"1. e4 e5 2. Bc4 Bc5 3. Qe2 Nc6 4. c3 Nf6 5. f4","NMoves":5,"LAN":"e2e4 e7e5 f1c4 f8c5 d1e2 b8c6 c2c3 g8f6 f2f4"}
{"ECO":"C23","Opening":"Bishop's opening","Variation":"Philidor variation","Movetext":"1. e4 e5 2. Bc4 Bc5 3. c3","NMoves":3,"LAN":"e2e4 e7e5 f1c4 f8c5 c2c3"}
{"ECO":"C23","Opening":"Bishop's opening","Variation":"Pratt variation","Movetext":"1. e4 e5 2. Bc4 Bc5 3. c3 Nf6 4. d4 exd4 5. e5 d5 6. exf6 dxc4 7. Qh5 O-O","NMoves":7,"LAN":"e2e4 e7e5 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 e4e5 d7d5 e5f6 d5c4 d1h5 e8g8"}
{"ECO":"C23","Opening":"Bishop's opening","Variation":"Lewis counter-gambit","Movetext":"1. e4 e5 2. Bc4 Bc5 3. c3 d5","NMoves":3,"LAN":"e2e4 e7e5 f1c4 f8c5 c2c3 d7d5"}
{"ECO":"C23","Opening":"Bishop's opening","Variation":"del Rio variation","Movetext":"1. e4 e5 2. Bc4 Bc5 3. c3 Qg5","NMoves":3,"LAN":"e2e4 e7e5 f1c4 f8c5 c2c3 d8g5"}
{"ECO":"C23","Opening":"Bishop's opening","Variation":"Lewis gambit","Movetext":"1. e4 e5 2. Bc4 Bc5 3. d4","NMoves":3,"LAN":"e2e4 e7e5 f1c4 f8c5 d2d4"}
{"ECO":"C23","Opening":"Bishop's opening","Variation":"Wing gambit","Movetext":"1. e4 e5 2. Bc4 Bc5 3. b4","NMoves":3,"LAN":"e2e4 e7e5 f1c4 f8c5 b2b4"}
{"ECO":"C23","Opening":"Bishop's opening","Variation":"MacDonnell double gambit","Movetext":"1. e4 e5 2. Bc4 Bc5 3. b4 Bxb4 4. f4","NMoves":4,"LAN":"e2e4 e7e5 f1c4 f8c5 b2b4 c5b4 f2f4"}
{"ECO":"C23","Opening":"Bishop's opening","Variation":"Four pawns' gambit","Movetext":"1. e4 e5 2. Bc4 Bc5 3. b4 Bxb4 4. f4 exf4 5. Nf3 Be7 6. d4 Bh4+ 7. g3 fxg3 8. O-O gxh2+ 9. Kh1","NMoves":9,"LAN":"e2e4 e7e5 f1c4 f8c5 b2b4 c5b4 f2f4 e5f4 g1f3 b4e7 d2d4 e7h4 g2g3 f4g3 e1g1 g3h2 g1h1"}
{"ECO":"C24","Opening":"Bishop's opening","Variation":"Berlin defence","Movetext":"1. e4 e5 2. Bc4 Nf6","NMoves":2,"LAN":"e2e4 e7e5 f1c4 g8f6"}
{"ECO":"C24","Opening":"Bishop's opening","Variation":"Greco gambit","Movetext":"1. e4 e5 2. Bc4 Nf6 3. f4","NMoves":3,"LAN":"e2e4 e7e5 f1c4 g8f6 f2f4"}
{"ECO":"C24","Opening":"Bishop's opening","Variation":"Ponziani gambit","Movetext":"1. e4 e5 2. Bc4 Nf6 3. d4","NMoves":3,"LAN":"e2e4 e7e5 f1c4 g8f6 d2d4"}
{"ECO":"C24","Opening":"Bishop's opening","Variation":"Urusov gambit","Movetext":"1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3","NMoves":4,"LAN":"e2e4 e7e5 f1c4 g8f6 d2d4 e5d4 g1f3"}
{"ECO":"C24","Opening":"Bishop's opening","Variation":"Urusov gambit, Panov variation","Movetext":"1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 d5 5. exd5 Bb4+ 6. c3 Qe7+","NMoves":6,"LAN":"e2e4 e7e5 f1c4 g8f6 d2d4 e5d4 g1f3 d7d5 e4d5 f8b4 c2c3 d8e7"}
{"ECO":"C25","Opening":"Vienna game","Movetext":"1. e4 e5 2. Nc3","NMoves":2,"LAN":"e2e4 e7e5 b1c3"}
{"ECO":"C25","Opening":"Vienna","Variation":"Zhuravlev countergambit","Movetext":"1. e4 e5 2. Nc3 Bb4 3. Qg4 Nf6","NMoves":3,"LAN":"e2e4 e7e5 b1c3 f8b4 d1g4 g8f6"}
{"ECO":"C25","Opening":"Vienna game, Max Lange defence","Movetext":"1. e4 e5 2. Nc3 Nc6","NMoves":2,"LAN":"e2e4 e7e5 b1c3 b8c6"}
{"ECO":"C25","Opening":"Vienna","Variation":"Paulsen variation","Movetext":"1. e4 e5 2. Nc3 Nc6 3. g3","NMoves":3,"LAN":"e2e4 e7e5 b1c3 b8c6 g2g3"}
{"ECO":"C25","Opening":"Vienna","Variation":"Fyfe gambit","Movetext":"1. e4 e5 2. Nc3 Nc6 3. d4","NMoves":3,"LAN":"e2e4 e7e5 b1c3 b8c6 d2d4"}
{"ECO":"C25","Opening":"Vienna gambit","Movetext":"1. e4 e5 2. Nc3 Nc6 3. f4","NMoves":3,"LAN":"e2e4 e7e5 b1c3 b8c6 f2f4"}
{"ECO":"C25","Opening":"Vienna","Variation":"Steinitz gambit","Movetext":"1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. d4","NMoves":4,"LAN":"e2e4 e7e5 b1c3 b8c6 f2f4 e5f4 d2d4"}
{"ECO":"C25","Opening":"Vienna","Variation":"Steinitz gambit, Zukertort defence","Movetext":"1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. d4 Qh4+ 5. Ke2 d5","NMoves":5,"LAN":"e2e4 e7e5 b1c3 b8c6 f2f4 e5f4 d2d4 d8h4 e1e2 d7d5"}
{"ECO":"C25","Opening":"Vienna","Variation":"Steinitz gambit, Fraser-Minckwitz variation","Movetext":"1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. d4 Qh4+ 5. Ke2 b6","NMoves":5,"LAN":"e2e4 e7e5 b1c3 b8c6 f2f4 e5f4 d2d4 d8h4 e1e2 b7b6"}
{"ECO":"C25","Opening":"Vienna gambit","Movetext":"1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3","NMoves":4,"LAN":"e2e4 e7e5 b1c3 b8c6 f2f4 e5f4 g1f3"}
{"ECO":"C25","Opening":"Vienna","Variation":"Hamppe-Allgaier gambit","Movetext":"1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. h4 g4 6. Ng5","NMoves":6,"LAN":"e2e4 e7e5 b1c3 b8c6 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3g5"}
{"ECO":"C25","Opening":"Vienna","Variation":"Hamppe-Allgaier gambit, Alapin variation","Movetext":"1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. h4 g4 6. Ng5 d6","NMoves":6,"LAN":"e2e4 e7e5 b1c3 b8c6 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3g5 d7d6"}
{"ECO":"C25","Opening":"Vienna","Variation":"Hamppe-Muzio gambit","Movetext":"1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. Bc4 g4 6. O-O","NMoves":6,"LAN":"e2e4 e7e5 b1c3 b8c6 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 e1g1"}
{"ECO":"C25","Opening":"Vienna","Variation":"Hamppe-Muzio, Dubois variation","Movetext":"1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. Bc4 g4 6. O-O gxf3 7. Qxf3 Ne5 8. Qxf4 Qf6","NMoves":8,"LAN":"e2e4 e7e5 b1c3 b8c6 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 e1g1 g4f3 d1f3 c6e5 f3f4 d8f6"}
{"ECO":"C25","Opening":"Vienna","Variation":"Pierce gambit","Movetext":"1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. d4","NMoves":5,"LAN":"e2e4 e7e5 b1c3 b8c6 f2f4 e5f4 g1f3 g7g5 d2d4"}
{"ECO":"C25","Opening":"Vienna","Variation":"Pierce gambit, Rushmere attack","Movetext":"1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. d4 g4 6. Bc4 gxf3 7. O-O d5 8. exd5 Bg4 9. dxc6","NMoves":9,"LAN":"e2e4 e7e5 b1c3 b8c6 f2f4 e5f4 g1f3 g7g5 d2d4 g5g4 f1c4 g4f3 e1g1 d7d5 e4d5 c8g4 d5c6"}
{"ECO":"C26","Opening":"Vienna","Variation":"Falkbeer variation","Movetext":"1. e4 e5 2. Nc3 Nf6","NMoves":2,"LAN":"e2e4 e7e5 b1c3 g8f6"}
{"ECO":"C26","Opening":"Vienna","Variation":"Mengarini variation","Movetext":"1. e4 e5 2. Nc3 Nf6 3. a3","NMoves":3,"LAN":"e2e4 e7e5 b1c3 g8f6 a2a3"}
{"ECO":"C26","Opening":"Vienna","Variation":"Paulsen-Mieses variation","Movetext":"1. e4 e5 2. Nc3 Nf6 3. g3","NMoves":3,"LAN":"e2e4 e7e5 b1c3 g8f6 g2g3"}
{"ECO":"C26","Opening":"Vienna game","Movetext":"1. e4 e5 2. Nc3 Nf6 3. Bc4","NMoves":3,"LAN":"e2e4 e7e5 b1c3 g8f6 f1c4"}
{"ECO":"C27","Opening":"Vienna game","Movetext":"1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4","NMoves":3,"LAN":"e2e4 e7e5 b1c3 g8f6 f1c4 f6e4"}
{"ECO":"C27","Opening":"Vienna","Variation":"`Frankenstein-Dracula' variation","Movetext":"1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Nc6 6. Nb5 g6 7. Qf3 f5 8. Qd5 Qe7 9. Nxc7+ Kd8 10. Nxa8 b6","NMoves":10,"LAN":"e2e4 e7e5 b1c3 g8f6 f1c4 f6e4 d1h5 e4d6 c4b3 b8c6 c3b5 g7g6 h5f3 f7f5 f3d5 d8e7 b5c7 e8d8 c7a8 b7b6"}
{"ECO":"C27","Opening":"Vienna","Variation":"Adams' gambit","Movetext":"1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Nc6 6. d4","NMoves":6,"LAN":"e2e4 e7e5 b1c3 g8f6 f1c4 f6e4 d1h5 e4d6 c4b3 b8c6 d2d4"}
{"ECO":"C27","Opening":"Vienna game","Movetext":"1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Be7","NMoves":5,"LAN":"e2e4 e7e5 b1c3 g8f6 f1c4 f6e4 d1h5 e4d6 c4b3 f8e7"}
{"ECO":"C27","Opening":"Vienna","Variation":"Alekhine variation","Movetext":"1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Be7 6. Nf3 Nc6 7. Nxe5","NMoves":7,"LAN":"e2e4 e7e5 b1c3 g8f6 f1c4 f6e4 d1h5 e4d6 c4b3 f8e7 g1f3 b8c6 f3e5"}
{"ECO":"C27","Opening":"Boden-Kieseritsky gambit","Movetext":"1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Nf3","NMoves":4,"LAN":"e2e4 e7e5 b1c3 g8f6 f1c4 f6e4 g1f3"}
{"ECO":"C27","Opening":"Boden-Kieseritsky gambit","Variation":"Lichtenhein defence","Movetext":"1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Nf3 d5","NMoves":4,"LAN":"e2e4 e7e5 b1c3 g8f6 f1c4 f6e4 g1f3 d7d5"}
{"ECO":"C28","Opening":"Vienna game","Movetext":"1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6","NMoves":3,"LAN":"e2e4 e7e5 b1c3 g8f6 f1c4 b8c6"}
{"ECO":"C29","Opening":"Vienna gambit","Movetext":"1. e4 e5 2. Nc3 Nf6 3. f4 d5","NMoves":3,"LAN":"e2e4 e7e5 b1c3 g8f6 f2f4 d7d5"}
{"ECO":"C29","Opening":"Vienna gambit","Variation":"Kaufmann variation","Movetext":"1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Nf3 Bg4 6. Qe2","NMoves":6,"LAN":"e2e4 e7e5 b1c3 g8f6 f2f4 d7d5 f4e5 f6e4 g1f3 c8g4 d1e2"}
{"ECO":"C29","Opening":"Vienna gambit","Variation":"Breyer variation","Movetext":"1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Nf3 Be7","NMoves":5,"LAN":"e2e4 e7e5 b1c3 g8f6 f2f4 d7d5 f4e5 f6e4 g1f3 f8e7"}
{"ECO":"C29","Opening":"Vienna gambit","Variation":"Paulsen attack","Movetext":"1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3","NMoves":5,"LAN":"e2e4 e7e5 b1c3 g8f6 f2f4 d7d5 f4e5 f6e4 d1f3"}
{"ECO":"C29","Opening":"Vienna gambit","Variation":"Bardeleben variation","Movetext":"1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 f5","NMoves":5,"LAN":"e2e4 e7e5 b1c3 g8f6 f2f4 d7d5 f4e5 f6e4 d1f3 f7f5"}
{"ECO":"C29","Opening":"Vienna gambit","Variation":"Heyde variation","Movetext":"1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 f5 6. d4","NMoves":6,"LAN":"e2e4 e7e5 b1c3 g8f6 f2f4 d7d5 f4e5 f6e4 d1f3 f7f5 d2d4"}
{"ECO":"C29","Opening":"Vienna gambit","Movetext":"1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. d3","NMoves":5,"LAN":"e2e4 e7e5 b1c3 g8f6 f2f4 d7d5 f4e5 f6e4 d2d3"}
{"ECO":"C29","Opening":"Vienna gambit, Wurzburger trap","Movetext":"1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. d3 Qh4+ 6. g3 Nxg3 7. Nf3 Qh5 8. Nxd5","NMoves":8,"LAN":"e2e4 e7e5 b1c3 g8f6 f2f4 d7d5 f4e5 f6e4 d2d3 d8h4 g2g3 e4g3 g1f3 h4h5 c3d5"}
{"ECO":"C29","Opening":"Vienna gambit, Steinitz variation","Movetext":"1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. d3","NMoves":4,"LAN":"e2e4 e7e5 b1c3 g8f6 f2f4 d7d5 d2d3"}
{"ECO":"C30","Opening":"King's gambit","Movetext":"1. e4 e5 2. f4","NMoves":2,"LAN":"e2e4 e7e5 f2f4"}
{"ECO":"C30","Opening":"KGD","Variation":"Keene's defence","Movetext":"1. e4 e5 2. f4 Qh4+ 3. g3 Qe7","NMoves":3,"LAN":"e2e4 e7e5 f2f4 d8h4 g2g3 h4e7"}
{"ECO":"C30","Opening":"KGD","Variation":"Mafia defence","Movetext":"1. e4 e5 2. f4 c5","NMoves":2,"LAN":"e2e4 e7e5 f2f4 c7c5"}
{"ECO":"C30","Opening":"KGD","Variation":"Norwalde variation","Movetext":"1. e4 e5 2. f4 Qf6","NMoves":2,"LAN":"e2e4 e7e5 f2f4 d8f6"}
{"ECO":"C30","Opening":"KGD","Variation":"Norwalde variation, Buecker gambit","Movetext":"1. e4 e5 2. f4 Qf6 3. Nf3 Qxf4 4. Nc3 Bb4 5. Bc4","NMoves":5,"LAN":"e2e4 e7e5 f2f4 d8f6 g1f3 f6f4 b1c3 f8b4 f1c4"}
{"ECO":"C30","Opening":"KGD","Variation":"classical variation","Movetext":"1. e4 e5 2. f4 Bc5","NMoves":2,"LAN":"e2e4 e7e5 f2f4 f8c5"}
{"ECO":"C30","Opening":"KGD","Variation":"classical, Svenonius variation","Movetext":"1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nf6 5. Bc4 Nc6 6. d3 Bg4 7. h3 Bxf3 8. Qxf3 exf4","NMoves":8,"LAN":"e2e4 e7e5 f2f4 f8c5 g1f3 d7d6 b1c3 g8f6 f1c4 b8c6 d2d3 c8g4 h2h3 g4f3 d1f3 e5f4"}
{"ECO":"C30","Opening":"KGD","Variation":"classical, Hanham variation","Movetext":"1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nd7","NMoves":4,"LAN":"e2e4 e7e5 f2f4 f8c5 g1f3 d7d6 b1c3 b8d7"}
{"ECO":"C30","Opening":"KGD","Variation":"classical, 4.c3","Movetext":"1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3","NMoves":4,"LAN":"e2e4 e7e5 f2f4 f8c5 g1f3 d7d6 c2c3"}
{"ECO":"C30","Opening":"KGD","Variation":"classical, Marshall attack","Movetext":"1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 Bg4 5. fxe5 dxe5 6. Qa4+","NMoves":6,"LAN":"e2e4 e7e5 f2f4 f8c5 g1f3 d7d6 c2c3 c8g4 f4e5 d6e5 d1a4"}
{"ECO":"C30","Opening":"KGD","Variation":"classical counter-gambit","Movetext":"1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 f5","NMoves":4,"LAN":"e2e4 e7e5 f2f4 f8c5 g1f3 d7d6 c2c3 f7f5"}
{"ECO":"C30","Opening":"KGD","Variation":"classical, Reti variation","Movetext":"1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 f5 5. fxe5 dxe5 6. d4 exd4 7. Bc4","NMoves":7,"LAN":"e2e4 e7e5 f2f4 f8c5 g1f3 d7d6 c2c3 f7f5 f4e5 d6e5 d2d4 e5d4 f1c4"}
{"ECO":"C30","Opening":"KGD","Variation":"classical, Soldatenkov variation","Movetext":"1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. fxe5","NMoves":4,"LAN":"e2e4 e7e5 f2f4 f8c5 g1f3 d7d6 f4e5"}
{"ECO":"C30","Opening":"KGD","Variation":"classical, Heath variation","Movetext":"1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. b4","NMoves":4,"LAN":"e2e4 e7e5 f2f4 f8c5 g1f3 d7d6 b2b4"}
{"ECO":"C30","Opening":"KGD","Variation":"2...Nf6","Movetext":"1. e4 e5 2. f4 Nf6","NMoves":2,"LAN":"e2e4 e7e5 f2f4 g8f6"}
{"ECO":"C31","Opening":"KGD","Variation":"Falkbeer counter-gambit","Movetext":"1. e4 e5 2. f4 d5","NMoves":2,"LAN":"e2e4 e7e5 f2f4 d7d5"}
{"ECO":"C31","Opening":"KGD","Variation":"Falkbeer, Tartakower variation","Movetext":"1. e4 e5 2. f4 d5 3. Nf3","NMoves":3,"LAN":"e2e4 e7e5 f2f4 d7d5 g1f3"}
{"ECO":"C31","Opening":"KGD","Variation":"Falkbeer, Milner-Barry variation","Movetext":"1. e4 e5 2. f4 d5 3. Nc3","NMoves":3,"LAN":"e2e4 e7e5 f2f4 d7d5 b1c3"}
{"ECO":"C31","Opening":"KGD","Variation":"Falkbeer counter-gambit","Movetext":"1. e4 e5 2. f4 d5 3. exd5","NMoves":3,"LAN":"e2e4 e7e5 f2f4 d7d5 e4d5"}
{"ECO":"C31","Opening":"KGD","Variation":"Nimzovich counter-gambit","Movetext":"1. e4 e5 2. f4 d5 3. exd5 c6","NMoves":3,"LAN":"e2e4 e7e5 f2f4 d7d5 e4d5 c7c6"}
{"ECO":"C31","Opening":"KGD","Variation":"Falkbeer, 3...e4","Movetext":"1. e4 e5 2. f4 d5 3. exd5 e4","NMoves":3,"LAN":"e2e4 e7e5 f2f4 d7d5 e4d5 e5e4"}
{"ECO":"C31","Opening":"KGD","Variation":"Falkbeer, Rubinstein variation","Movetext":"1. e4 e5 2. f4 d5 3. exd5 e4 4. Nc3 Nf6 5. Qe2","NMoves":5,"LAN":"e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 b1c3 g8f6 d1e2"}
{"ECO":"C31","Opening":"KGD","Variation":"Falkbeer, Nimzovich variation","Movetext":"1. e4 e5 2. f4 d5 3. exd5 e4 4. Bb5+","NMoves":4,"LAN":"e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 f1b5"}
{"ECO":"C31","Opening":"KGD","Variation":"Falkbeer, 4.d3","Movetext":"1. e4 e5 2. f4 d5 3. exd5 e4 4. d3","NMoves":4,"LAN":"e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 d2d3"}
{"ECO":"C31","Opening":"KGD","Variation":"Falkbeer, Morphy gambit","Movetext":"1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. Nc3 Bb4 6. Bd2 e3","NMoves":6,"LAN":"e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 d2d3 g8f6 b1c3 f8b4 c1d2 e4e3"}
{"ECO":"C32","Opening":"KGD","Variation":"Falkbeer, 5.de","Movetext":"1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4","NMoves":5,"LAN":"e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 d2d3 g8f6 d3e4"}
{"ECO":"C32","Opening":"KGD","Variation":"Falkbeer, Alapin variation","Movetext":"1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4 6. Nf3 Bc5 7. Qe2 Bf2+ 8. Kd1 Qxd5+ 9. Nfd2","NMoves":9,"LAN":"e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 d2d3 g8f6 d3e4 f6e4 g1f3 f8c5 d1e2 c5f2 e1d1 d8d5 f3d2"}
{"ECO":"C32","Opening":"KGD","Variation":"Falkbeer, main line, 7...Bf5","Movetext":"1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4 6. Nf3 Bc5 7. Qe2 Bf5","NMoves":7,"LAN":"e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 d2d3 g8f6 d3e4 f6e4 g1f3 f8c5 d1e2 c8f5"}
{"ECO":"C32","Opening":"KGD","Variation":"Falkbeer, Tarrasch variation","Movetext":"1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4 6. Nf3 Bc5 7. Qe2 Bf5 8. g4 O-O","NMoves":8,"LAN":"e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 d2d3 g8f6 d3e4 f6e4 g1f3 f8c5 d1e2 c8f5 g2g4 e8g8"}
{"ECO":"C32","Opening":"KGD","Variation":"Falkbeer, Charousek gambit","Movetext":"1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4 6. Qe2","NMoves":6,"LAN":"e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 d2d3 g8f6 d3e4 f6e4 d1e2"}
{"ECO":"C32","Opening":"KGD","Variation":"Falkbeer, Charousek variation","Movetext":"1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4 6. Qe2 Qxd5 7. Nd2 f5 8. g4","NMoves":8,"LAN":"e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 d2d3 g8f6 d3e4 f6e4 d1e2 d8d5 b1d2 f7f5 g2g4"}
{"ECO":"C32","Opening":"KGD","Variation":"Falkbeer, Keres variation","Movetext":"1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. Nd2","NMoves":5,"LAN":"e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 d2d3 g8f6 b1d2"}
{"ECO":"C32","Opening":"KGD","Variation":"Falkbeer, Reti variation","Movetext":"1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. Qe2","NMoves":5,"LAN":"e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 d2d3 g8f6 d1e2"}
{"ECO":"C33","Opening":"King's gambit accepted","Movetext":"1. e4 e5 2. f4 exf4","NMoves":2,"LAN":"e2e4 e7e5 f2f4 e5f4"}
{"ECO":"C33","Opening":"KGA","Variation":"Tumbleweed gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Kf2","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 e1f2"}
{"ECO":"C33","Opening":"KGA","Variation":"Orsini gambit","Movetext":"1. e4 e5 2. f4 exf4 3. b3","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 b2b3"}
{"ECO":"C33","Opening":"KGA","Variation":"Pawn's gambit (Stamma gambit)","Movetext":"1. e4 e5 2. f4 exf4 3. h4","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 h2h4"}
{"ECO":"C33","Opening":"KGA","Variation":"Schurig gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Bd3","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 f1d3"}
{"ECO":"C33","Opening":"KGA","Variation":"Carrera (Basman) gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Qe2","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 d1e2"}
{"ECO":"C33","Opening":"KGA","Variation":"Villemson (Steinitz) gambit","Movetext":"1. e4 e5 2. f4 exf4 3. d4","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 d2d4"}
{"ECO":"C33","Opening":"KGA","Variation":"Keres (Mason-Steinitz) gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nc3","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 b1c3"}
{"ECO":"C33","Opening":"KGA","Variation":"Breyer gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Qf3","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 d1f3"}
{"ECO":"C33","Opening":"KGA","Variation":"Lesser bishop's (Petroff-Jaenisch-Tartakower) gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Be2","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 f1e2"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, Chigorin's attack","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 d5 5. Bxd5 g5 6. g3","NMoves":6,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 d8h4 e1f1 d7d5 c4d5 g7g5 g2g3"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, Greco variation","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Bc5","NMoves":4,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 d8h4 e1f1 f8c5"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, classical defence","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5","NMoves":4,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 d8h4 e1f1 g7g5"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, Grimm attack","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Nc3 Bg7 6. d4 d6 7. e5","NMoves":7,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 d8h4 e1f1 g7g5 b1c3 f8g7 d2d4 d7d6 e4e5"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, classical defence","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Nc3 Bg7 6. d4 Ne7","NMoves":6,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 d8h4 e1f1 g7g5 b1c3 f8g7 d2d4 g8e7"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, McDonnell attack","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Nc3 Bg7 6. d4 Ne7 7. g3","NMoves":7,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 d8h4 e1f1 g7g5 b1c3 f8g7 d2d4 g8e7 g2g3"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, McDonnell attack","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Nc3 Bg7 6. g3","NMoves":6,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 d8h4 e1f1 g7g5 b1c3 f8g7 g2g3"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, Fraser variation","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Nc3 Bg7 6. g3 fxg3 7. Qf3","NMoves":7,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 d8h4 e1f1 g7g5 b1c3 f8g7 g2g3 f4g3 d1f3"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, classical defence, Cozio attack","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Qf3","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 d8h4 e1f1 g7g5 d1f3"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, Boden defence","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Nc6","NMoves":4,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 d8h4 e1f1 b8c6"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, Bryan counter-gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 b5","NMoves":4,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 d8h4 e1f1 b7b5"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, Bryan counter-gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 b5","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 b7b5"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, Steinitz defence","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 Ne7","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 g8e7"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, Maurian defence","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 Nc6","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 b8c6"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, Ruy Lopez defence","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 c6","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 c7c6"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, Lopez-Gianutio counter-gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 f5","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 f7f5"}
{"ECO":"C33","Opening":"KGA","Variation":"Lopez-Gianutio counter-gambit, Hein variation","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 f5 4. Qe2 Qh4+ 5. Kd1 fxe4 6. Nc3 Kd8","NMoves":6,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 f7f5 d1e2 d8h4 e1d1 f5e4 b1c3 e8d8"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, Bledow variation","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 d5","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 d7d5"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, Gifford variation","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 d5 4. Bxd5 Qh4+ 5. Kf1 g5 6. g3","NMoves":6,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 d7d5 c4d5 d8h4 e1f1 g7g5 g2g3"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, Boren-Svenonius variation","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 d5 4. Bxd5 Qh4+ 5. Kf1 Bd6","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 d7d5 c4d5 d8h4 e1f1 f8d6"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, Anderssen variation","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 d5 4. Bxd5 c6","NMoves":4,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 d7d5 c4d5 c7c6"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, Morphy variation","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 d5 4. Bxd5 Nf6","NMoves":4,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 d7d5 c4d5 g8f6"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, Cozio (Morphy) defence","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 Nf6","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 g8f6"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, Bogolyubov variation","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 Nf6 4. Nc3","NMoves":4,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 g8f6 b1c3"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, Paulsen attack","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 Nf6 4. Nc3 Bb4 5. e5","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 g8f6 b1c3 f8b4 e4e5"}
{"ECO":"C33","Opening":"KGA","Variation":"bishop's gambit, Jaenisch variation","Movetext":"1. e4 e5 2. f4 exf4 3. Bc4 Nf6 4. Nc3 c6","NMoves":4,"LAN":"e2e4 e7e5 f2f4 e5f4 f1c4 g8f6 b1c3 c7c6"}
{"ECO":"C34","Opening":"King's knight's gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3"}
{"ECO":"C34","Opening":"KGA","Variation":"Bonsch-Osmolovsky variation","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 Ne7","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g8e7"}
{"ECO":"C34","Opening":"KGA","Variation":"Gianutio counter-gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 f5","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 f7f5"}
{"ECO":"C34","Opening":"KGA","Variation":"Fischer defence","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 d6","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 d7d6"}
{"ECO":"C34","Opening":"KGA","Variation":"Becker defence","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 h6","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 h7h6"}
{"ECO":"C34","Opening":"KGA","Variation":"Schallop defence","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 Nf6","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g8f6"}
{"ECO":"C35","Opening":"KGA","Variation":"Cunningham defence","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 Be7","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 f8e7"}
{"ECO":"C35","Opening":"KGA","Variation":"Cunningham, Bertin gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. g3","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 f8e7 f1c4 e7h4 g2g3"}
{"ECO":"C35","Opening":"KGA","Variation":"Cunningham, three pawns gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. g3 fxg3 6. O-O gxh2+ 7. Kh1","NMoves":7,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 f8e7 f1c4 e7h4 g2g3 f4g3 e1g1 g3h2 g1h1"}
{"ECO":"C35","Opening":"KGA","Variation":"Cunningham, Euwe defence","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6","NMoves":4,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 f8e7 f1c4 g8f6"}
{"ECO":"C36","Opening":"KGA","Variation":"Abbazia defence (classical defence, modern defence[!])","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 d5","NMoves":3,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 d7d5"}
{"ECO":"C36","Opening":"KGA","Variation":"Abbazia defence, modern variation","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6","NMoves":4,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 d7d5 e4d5 g8f6"}
{"ECO":"C36","Opening":"KGA","Variation":"Abbazia defence, Botvinnik variation","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6 5. Bb5+ c6 6. dxc6 bxc6 7. Bc4 Nd5","NMoves":7,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 d7d5 e4d5 g8f6 f1b5 c7c6 d5c6 b7c6 b5c4 f6d5"}
{"ECO":"C37","Opening":"KGA","Variation":"Quaade gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Nc3","NMoves":4,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 b1c3"}
{"ECO":"C37","Opening":"KGA","Variation":"Rosentreter gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. d4","NMoves":4,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 d2d4"}
{"ECO":"C37","Opening":"KGA","Variation":"Soerensen gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. d4 g4 5. Ne5","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 d2d4 g5g4 f3e5"}
{"ECO":"C37","Opening":"KGA","Variation":"King's knight's gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4","NMoves":4,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4"}
{"ECO":"C37","Opening":"KGA","Variation":"Blachly gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Nc6","NMoves":4,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 b8c6"}
{"ECO":"C37","Opening":"KGA","Variation":"Lolli gambit (wild Muzio gambit)","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Bxf7+","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 c4f7"}
{"ECO":"C37","Opening":"KGA","Variation":"Lolli gambit, Young variation","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Bxf7+ Kxf7 6. O-O gxf3 7. Qxf3 Qf6 8. d4 Qxd4+ 9. Be3 Qf6 10. Nc3","NMoves":10,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 c4f7 e8f7 e1g1 g4f3 d1f3 d8f6 d2d4 f6d4 c1e3 d4f6 b1c3"}
{"ECO":"C37","Opening":"KGA","Variation":"Ghulam Kassim gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. d4","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 d2d4"}
{"ECO":"C37","Opening":"KGA","Variation":"MacDonnell gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Nc3","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 b1c3"}
{"ECO":"C37","Opening":"KGA","Variation":"Salvio gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 f3e5"}
{"ECO":"C37","Opening":"KGA","Variation":"Silberschmidt gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5 Qh4+ 6. Kf1 Nh6 7. d4 f3","NMoves":7,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 f3e5 d8h4 e1f1 g8h6 d2d4 f4f3"}
{"ECO":"C37","Opening":"KGA","Variation":"Salvio gambit, Anderssen counter-attack","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5 Qh4+ 6. Kf1 Nh6 7. d4 d6","NMoves":7,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 f3e5 d8h4 e1f1 g8h6 d2d4 d7d6"}
{"ECO":"C37","Opening":"KGA","Variation":"Cochrane gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5 Qh4+ 6. Kf1 f3","NMoves":6,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 f3e5 d8h4 e1f1 f4f3"}
{"ECO":"C37","Opening":"KGA","Variation":"Herzfeld gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5 Qh4+ 6. Kf1 Nc6","NMoves":6,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 f3e5 d8h4 e1f1 b8c6"}
{"ECO":"C37","Opening":"KGA","Variation":"Muzio gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 e1g1"}
{"ECO":"C37","Opening":"KGA","Variation":"Muzio gambit, Paulsen variation","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qf6 7. e5 Qxe5 8. d3 Bh6 9. Nc3 Ne7 10. Bd2 Nbc6 11. Rae1","NMoves":11,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 e1g1 g4f3 d1f3 d8f6 e4e5 f6e5 d2d3 f8h6 b1c3 g8e7 c1d2 b8c6 a1e1"}
{"ECO":"C37","Opening":"KGA","Variation":"double Muzio gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qf6 7. e5 Qxe5 8. Bxf7+","NMoves":8,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 e1g1 g4f3 d1f3 d8f6 e4e5 f6e5 c4f7"}
{"ECO":"C37","Opening":"KGA","Variation":"Muzio gambit, From defence","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qe7","NMoves":6,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 e1g1 g4f3 d1f3 d8e7"}
{"ECO":"C37","Opening":"KGA","Variation":"Muzio gambit, Holloway defence","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Nc6","NMoves":6,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 e1g1 g4f3 d1f3 b8c6"}
{"ECO":"C37","Opening":"KGA","Variation":"Muzio gambit, Kling and Horwitz counter-attack","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O Qe7","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 e1g1 d8e7"}
{"ECO":"C37","Opening":"KGA","Variation":"Muzio gambit, Brentano defence","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O d5","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 e1g1 d7d5"}
{"ECO":"C38","Opening":"King's knight's gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7","NMoves":4,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 f8g7"}
{"ECO":"C38","Opening":"KGA","Variation":"Hanstein gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. O-O","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 f8g7 e1g1"}
{"ECO":"C38","Opening":"KGA","Variation":"Philidor gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. h4","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 f8g7 h2h4"}
{"ECO":"C38","Opening":"KGA","Variation":"Greco gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. h4 h6 6. d4 d6 7. Nc3 c6 8. hxg5 hxg5 9. Rxh8 Bxh8 10. Ne5","NMoves":10,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 f8g7 h2h4 h7h6 d2d4 d7d6 b1c3 c7c6 h4g5 h6g5 h1h8 g7h8 f3e5"}
{"ECO":"C38","Opening":"KGA","Variation":"Philidor gambit, Schultz variation","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. h4 h6 6. d4 d6 7. Qd3","NMoves":7,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 f8g7 h2h4 h7h6 d2d4 d7d6 d1d3"}
{"ECO":"C39","Opening":"King's knight's gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4","NMoves":4,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4"}
{"ECO":"C39","Opening":"KGA","Variation":"Allgaier gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3g5"}
{"ECO":"C39","Opening":"KGA","Variation":"Allgaier, Horny defence","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. Qxg4 Nf6 8. Qxf4 Bd6","NMoves":8,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3g5 h7h6 g5f7 e8f7 d1g4 g8f6 g4f4 f8d6"}
{"ECO":"C39","Opening":"KGA","Variation":"Allgaier, Thorold variation","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. d4","NMoves":7,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3g5 h7h6 g5f7 e8f7 d2d4"}
{"ECO":"C39","Opening":"KGA","Variation":"Allgaier, Cook variation","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. d4 d5 8. Bxf4 dxe4 9. Bc4+ Kg7 10. Be5+","NMoves":10,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3g5 h7h6 g5f7 e8f7 d2d4 d7d5 c1f4 d5e4 f1c4 f7g7 f4e5"}
{"ECO":"C39","Opening":"KGA","Variation":"Allgaier, Blackburne gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. Nc3","NMoves":7,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3g5 h7h6 g5f7 e8f7 b1c3"}
{"ECO":"C39","Opening":"KGA","Variation":"Allgaier, Walker attack","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. Bc4+","NMoves":7,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3g5 h7h6 g5f7 e8f7 f1c4"}
{"ECO":"C39","Opening":"KGA","Variation":"Allgaier, Urusov attack","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. Bc4+ d5 8. Bxd5+ Kg7 9. d4","NMoves":9,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3g5 h7h6 g5f7 e8f7 f1c4 d7d5 c4d5 f7g7 d2d4"}
{"ECO":"C39","Opening":"KGA","Variation":"Allgaier, Schlechter defence","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 Nf6","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3g5 g8f6"}
{"ECO":"C39","Opening":"KGA","Variation":"Kieseritsky, Paulsen defence","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Bg7","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 f8g7"}
{"ECO":"C39","Opening":"KGA","Variation":"Kieseritsky, long whip (Stockwhip, classical) defence","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 h5","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 h7h5"}
{"ECO":"C39","Opening":"KGA","Variation":"Kieseritsky, long whip defence, Jaenisch variation","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 h5 6. Bc4 Rh7 7. d4 Bh6 8. Nc3","NMoves":8,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 h7h5 f1c4 h8h7 d2d4 f8h6 b1c3"}
{"ECO":"C39","Opening":"KGA","Variation":"Kieseritsky, Brentano (Campbell) defence","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d5","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 d7d5"}
{"ECO":"C39","Opening":"KGA","Variation":"Kieseritsky, Brentano defence, Kaplanek variation","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d5 6. d4 Nf6 7. exd5 Qxd5 8. Nc3 Bb4 9. Kf2","NMoves":9,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 d7d5 d2d4 g8f6 e4d5 d8d5 b1c3 f8b4 e1f2"}
{"ECO":"C39","Opening":"KGA","Variation":"Kieseritsky, Brentano defence","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d5 6. d4 Nf6 7. Bxf4","NMoves":7,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 d7d5 d2d4 g8f6 c1f4"}
{"ECO":"C39","Opening":"KGA","Variation":"Kieseritsky, Brentano defence, Caro variation","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d5 6. d4 Nf6 7. Bxf4 Nxe4 8. Nd2","NMoves":8,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 d7d5 d2d4 g8f6 c1f4 f6e4 b1d2"}
{"ECO":"C39","Opening":"KGA","Variation":"Kieseritsky, Salvio (Rosenthal) defence","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Qe7","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 d8e7"}
{"ECO":"C39","Opening":"KGA","Variation":"Kieseritsky, Salvio defence, Cozio variation","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Qe7 6. d4 f5 7. Bc4","NMoves":7,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 d8e7 d2d4 f7f5 f1c4"}
{"ECO":"C39","Opening":"KGA","Variation":"Kieseritsky, Polerio defence","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Be7","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 f8e7"}
{"ECO":"C39","Opening":"KGA","Variation":"Kieseritsky, Neumann defence","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nc6","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 b8c6"}
{"ECO":"C39","Opening":"KGA","Variation":"Kieseritsky, Kolisch defence","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d6","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 d7d6"}
{"ECO":"C39","Opening":"KGA","Variation":"Kieseritsky, Berlin defence","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6","NMoves":5,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 g8f6"}
{"ECO":"C39","Opening":"KGA","Variation":"Kieseritsky, Berlin defence, Riviere variation","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. Nxg4 d5","NMoves":6,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 g8f6 e5g4 d7d5"}
{"ECO":"C39","Opening":"KGA","Variation":"Kieseritsky, Berlin defence, 6.Bc4","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. Bc4","NMoves":6,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 g8f6 f1c4"}
{"ECO":"C39","Opening":"KGA","Variation":"Kieseritsky, Rice gambit","Movetext":"1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. Bc4 d5 7. exd5 Bd6 8. O-O","NMoves":8,"LAN":"e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 g8f6 f1c4 d7d5 e4d5 f8d6 e1g1"}
{"ECO":"C40","Opening":"King's knight opening","Movetext":"1. e4 e5 2. Nf3","NMoves":2,"LAN":"e2e4 e7e5 g1f3"}
{"ECO":"C40","Opening":"Gunderam defence","Movetext":"1. e4 e5 2. Nf3 Qe7","NMoves":2,"LAN":"e2e4 e7e5 g1f3 d8e7"}
{"ECO":"C40","Opening":"Greco defence","Movetext":"1. e4 e5 2. Nf3 Qf6","NMoves":2,"LAN":"e2e4 e7e5 g1f3 d8f6"}
{"ECO":"C40","Opening":"Damiano's defence","Movetext":"1. e4 e5 2. Nf3 f6","NMoves":2,"LAN":"e2e4 e7e5 g1f3 f7f6"}
{"ECO":"C40","Opening":"QP counter-gambit (elephant gambit)","Movetext":"1. e4 e5 2. Nf3 d5","NMoves":2,"LAN":"e2e4 e7e5 g1f3 d7d5"}
{"ECO":"C40","Opening":"QP counter-gambit","Variation":"Maroczy gambit","Movetext":"1. e4 e5 2. Nf3 d5 3. exd5 Bd6","NMoves":3,"LAN":"e2e4 e7e5 g1f3 d7d5 e4d5 f8d6"}
{"ECO":"C40","Opening":"Latvian counter-gambit","Movetext":"1. e4 e5 2. Nf3 f5","NMoves":2,"LAN":"e2e4 e7e5 g1f3 f7f5"}
{"ECO":"C40","Opening":"Latvian","Variation":"Nimzovich variation","Movetext":"1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Ne3","NMoves":6,"LAN":"e2e4 e7e5 g1f3 f7f5 f3e5 d8f6 d2d4 d7d6 e5c4 f5e4 c4e3"}
{"ECO":"C40","Opening":"Latvian","Variation":"Fraser defence","Movetext":"1. e4 e5 2. Nf3 f5 3. Nxe5 Nc6","NMoves":3,"LAN":"e2e4 e7e5 g1f3 f7f5 f3e5 b8c6"}
{"ECO":"C40","Opening":"Latvian gambit, 3.Bc4","Movetext":"1. e4 e5 2. Nf3 f5 3. Bc4","NMoves":3,"LAN":"e2e4 e7e5 g1f3 f7f5 f1c4"}
{"ECO":"C40","Opening":"Latvian","Variation":"Behting variation","Movetext":"1. e4 e5 2. Nf3 f5 3. Bc4 fxe4 4. Nxe5 Qg5 5. Nf7 Qxg2 6. Rf1 d5 7. Nxh8 Nf6","NMoves":7,"LAN":"e2e4 e7e5 g1f3 f7f5 f1c4 f5e4 f3e5 d8g5 e5f7 g5g2 h1f1 d7d5 f7h8 g8f6"}
{"ECO":"C40","Opening":"Latvian","Variation":"Polerio variation","Movetext":"1. e4 e5 2. Nf3 f5 3. Bc4 fxe4 4. Nxe5 d5","NMoves":4,"LAN":"e2e4 e7e5 g1f3 f7f5 f1c4 f5e4 f3e5 d7d5"}
{"ECO":"C40","Opening":"Latvian","Variation":"corkscrew counter-gambit","Movetext":"1. e4 e5 2. Nf3 f5 3. Bc4 fxe4 4. Nxe5 Nf6","NMoves":4,"LAN":"e2e4 e7e5 g1f3 f7f5 f1c4 f5e4 f3e5 g8f6"}
{"ECO":"C41","Opening":"Philidor's defence","Movetext":"1. e4 e5 2. Nf3 d6","NMoves":2,"LAN":"e2e4 e7e5 g1f3 d7d6"}
{"ECO":"C41","Opening":"Philidor","Variation":"Steinitz variation","Movetext":"1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. c3","NMoves":4,"LAN":"e2e4 e7e5 g1f3 d7d6 f1c4 f8e7 c2c3"}
{"ECO":"C41","Opening":"Philidor","Variation":"Lopez counter-gambit","Movetext":"1. e4 e5 2. Nf3 d6 3. Bc4 f5","NMoves":3,"LAN":"e2e4 e7e5 g1f3 d7d6 f1c4 f7f5"}
{"ECO":"C41","Opening":"Philidor","Variation":"Lopez counter-gambit, Jaenisch variation","Movetext":"1. e4 e5 2. Nf3 d6 3. Bc4 f5 4. d4 exd4 5. Ng5 Nh6 6. Nxh7","NMoves":6,"LAN":"e2e4 e7e5 g1f3 d7d6 f1c4 f7f5 d2d4 e5d4 f3g5 g8h6 g5h7"}
{"ECO":"C41","Opening":"Philidor's defence","Movetext":"1. e4 e5 2. Nf3 d6 3. d4","NMoves":3,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4"}
{"ECO":"C41","Opening":"Philidor","Variation":"Philidor counter-gambit","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 f5","NMoves":3,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 f7f5"}
{"ECO":"C41","Opening":"Philidor","Variation":"Philidor counter-gambit, del Rio attack","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 f5 4. dxe5 fxe4 5. Ng5 d5 6. e6","NMoves":6,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 f7f5 d4e5 f5e4 f3g5 d6d5 e5e6"}
{"ECO":"C41","Opening":"Philidor","Variation":"Philidor counter-gambit, Berger variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 f5 4. dxe5 fxe4 5. Ng5 d5 6. e6 Bc5 7. Nc3","NMoves":7,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 f7f5 d4e5 f5e4 f3g5 d6d5 e5e6 f8c5 b1c3"}
{"ECO":"C41","Opening":"Philidor","Variation":"Philidor counter-gambit, Zukertort variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 f5 4. Nc3","NMoves":4,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 f7f5 b1c3"}
{"ECO":"C41","Opening":"Philidor","Variation":"exchange variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 exd4","NMoves":3,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 e5d4"}
{"ECO":"C41","Opening":"Philidor","Variation":"Boden variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Qxd4 Bd7","NMoves":4,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 e5d4 d1d4 c8d7"}
{"ECO":"C41","Opening":"Philidor","Variation":"exchange variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4","NMoves":4,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 e5d4 f3d4"}
{"ECO":"C41","Opening":"Philidor","Variation":"Paulsen attack","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 d5 5. exd5","NMoves":5,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 e5d4 f3d4 d6d5 e4d5"}
{"ECO":"C41","Opening":"Philidor","Variation":"exchange variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6","NMoves":4,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 e5d4 f3d4 g8f6"}
{"ECO":"C41","Opening":"Philidor","Variation":"Berger variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 O-O 7. O-O c5 8. Nf3 Nc6 9. Bg5 Be6 10. Re1","NMoves":10,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 e5d4 f3d4 g8f6 b1c3 f8e7 f1e2 e8g8 e1g1 c7c5 d4f3 b8c6 c1g5 c8e6 f1e1"}
{"ECO":"C41","Opening":"Philidor","Variation":"Larsen variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6","NMoves":4,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 e5d4 f3d4 g7g6"}
{"ECO":"C41","Opening":"Philidor","Variation":"Nimzovich (Jaenisch) variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 Nf6","NMoves":3,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 g8f6"}
{"ECO":"C41","Opening":"Philidor","Variation":"Improved Hanham variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7","NMoves":4,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 g8f6 b1c3 b8d7"}
{"ECO":"C41","Opening":"Philidor","Variation":"Nimzovich, Sozin variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Qe2 c6 8. a4 exd4","NMoves":8,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 g8f6 b1c3 b8d7 f1c4 f8e7 e1g1 e8g8 d1e2 c7c6 a2a4 e5d4"}
{"ECO":"C41","Opening":"Philidor","Variation":"Nimzovich, Larobok variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. Ng5 O-O 7. Bxf7+","NMoves":7,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 g8f6 b1c3 b8d7 f1c4 f8e7 f3g5 e8g8 c4f7"}
{"ECO":"C41","Opening":"Philidor","Variation":"Nimzovich variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5","NMoves":4,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 g8f6 d4e5"}
{"ECO":"C41","Opening":"Philidor","Variation":"Nimzovich, Sokolsky variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Nbd2","NMoves":5,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 g8f6 d4e5 f6e4 b1d2"}
{"ECO":"C41","Opening":"Philidor","Variation":"Nimzovich, Rellstab variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5","NMoves":5,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 g8f6 d4e5 f6e4 d1d5"}
{"ECO":"C41","Opening":"Philidor","Variation":"Nimzovich, Locock variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Ng5","NMoves":4,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 g8f6 f3g5"}
{"ECO":"C41","Opening":"Philidor","Variation":"Nimzovich, Klein variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Bc4","NMoves":4,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 g8f6 f1c4"}
{"ECO":"C41","Opening":"Philidor","Variation":"Hanham variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 Nd7","NMoves":3,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 b8d7"}
{"ECO":"C41","Opening":"Philidor","Variation":"Hanham, Krause variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. O-O","NMoves":5,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 b8d7 f1c4 c7c6 e1g1"}
{"ECO":"C41","Opening":"Philidor","Variation":"Hanham, Steiner variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. O-O Be7 6. dxe5","NMoves":6,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 b8d7 f1c4 c7c6 e1g1 f8e7 d4e5"}
{"ECO":"C41","Opening":"Philidor","Variation":"Hanham, Kmoch variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. Ng5","NMoves":5,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 b8d7 f1c4 c7c6 f3g5"}
{"ECO":"C41","Opening":"Philidor","Variation":"Hanham, Berger variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. Ng5 Nh6 6. f4 Be7 7. O-O O-O 8. c3 d5","NMoves":8,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 b8d7 f1c4 c7c6 f3g5 g8h6 f2f4 f8e7 e1g1 e8g8 c2c3 d6d5"}
{"ECO":"C41","Opening":"Philidor","Variation":"Hanham, Schlechter variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. Nc3","NMoves":5,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 b8d7 f1c4 c7c6 b1c3"}
{"ECO":"C41","Opening":"Philidor","Variation":"Hanham, Delmar variation","Movetext":"1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. c3","NMoves":5,"LAN":"e2e4 e7e5 g1f3 d7d6 d2d4 b8d7 f1c4 c7c6 c2c3"}
{"ECO":"C42","Opening":"Petrov's defence","Movetext":"1. e4 e5 2. Nf3 Nf6","NMoves":2,"LAN":"e2e4 e7e5 g1f3 g8f6"}
{"ECO":"C42","Opening":"Petrov","Variation":"French attack","Movetext":"1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3","NMoves":5,"LAN":"e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d3"}
{"ECO":"C42","Opening":"Petrov","Variation":"Kaufmann attack","Movetext":"1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. c4","NMoves":5,"LAN":"e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 c2c4"}
{"ECO":"C42","Opening":"Petrov","Variation":"Nimzovich attack","Movetext":"1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3","NMoves":5,"LAN":"e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 b1c3"}
{"ECO":"C42","Opening":"Petrov","Variation":"Cozio (Lasker) attack","Movetext":"1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2","NMoves":5,"LAN":"e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d1e2"}
{"ECO":"C42","Opening":"Petrov","Variation":"classical attack","Movetext":"1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4","NMoves":5,"LAN":"e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4"}
{"ECO":"C42","Opening":"Petrov","Variation":"classical attack, Chigorin variation","Movetext":"1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. Re1","NMoves":8,"LAN":"e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 d6d5 f1d3 f8e7 e1g1 b8c6 f1e1"}
{"ECO":"C42","Opening":"Petrov","Variation":"classical attack, Berger variation","Movetext":"1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. Re1 Bg4 9. c3 f5 10. Nbd2","NMoves":10,"LAN":"e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 d6d5 f1d3 f8e7 e1g1 b8c6 f1e1 c8g4 c2c3 f7f5 b1d2"}
{"ECO":"C42","Opening":"Petrov","Variation":"classical attack, Krause variation","Movetext":"1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. Re1 Bg4 9. c3 f5 10. c4","NMoves":10,"LAN":"e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 d6d5 f1d3 f8e7 e1g1 b8c6 f1e1 c8g4 c2c3 f7f5 c3c4"}
{"ECO":"C42","Opening":"Petrov","Variation":"classical attack, Maroczy variation","Movetext":"1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. Re1 Bg4 9. c3 f5 10. c4 Bh4","NMoves":10,"LAN":"e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 d6d5 f1d3 f8e7 e1g1 b8c6 f1e1 c8g4 c2c3 f7f5 c3c4 e7h4"}
{"ECO":"C42","Opening":"Petrov","Variation":"classical attack, Jaenisch variation","Movetext":"1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. c4","NMoves":8,"LAN":"e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 d6d5 f1d3 f8e7 e1g1 b8c6 c2c4"}
{"ECO":"C42","Opening":"Petrov","Variation":"classical attack, Mason variation","Movetext":"1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O O-O","NMoves":7,"LAN":"e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 d6d5 f1d3 f8e7 e1g1 e8g8"}
{"ECO":"C42","Opening":"Petrov","Variation":"classical attack, Marshall variation","Movetext":"1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6","NMoves":6,"LAN":"e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 d6d5 f1d3 f8d6"}
{"ECO":"C42","Opening":"Petrov","Variation":"classical attack, Tarrasch variation","Movetext":"1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 Bg4","NMoves":8,"LAN":"e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 d6d5 f1d3 f8d6 e1g1 e8g8 c2c4 c8g4"}
{"ECO":"C42","Opening":"Petrov","Variation":"classical attack, Marshall trap","Movetext":"1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 Bg4 9. cxd5 f5 10. Re1 Bxh2+","NMoves":10,"LAN":"e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 d6d5 f1d3 f8d6 e1g1 e8g8 c2c4 c8g4 c4d5 f7f5 f1e1 d6h2"}
{"ECO":"C42","Opening":"Petrov","Variation":"classical attack, close variation","Movetext":"1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 Nf6","NMoves":5,"LAN":"e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 e4f6"}
{"ECO":"C42","Opening":"Petrov","Variation":"Cochrane gambit","Movetext":"1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nxf7","NMoves":4,"LAN":"e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f7"}
{"ECO":"C42","Opening":"Petrov","Variation":"Paulsen attack","Movetext":"1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nc4","NMoves":4,"LAN":"e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5c4"}
{"ECO":"C42","Opening":"Petrov","Variation":"Damiano variation","Movetext":"1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4","NMoves":3,"LAN":"e2e4 e7e5 g1f3 g8f6 f3e5 f6e4"}
{"ECO":"C42","Opening":"Petrov three knights game","Movetext":"1. e4 e5 2. Nf3 Nf6 3. Nc3","NMoves":3,"LAN":"e2e4 e7e5 g1f3 g8f6 b1c3"}
{"ECO":"C42","Opening":"Petrov","Variation":"Italian variation","Movetext":"1. e4 e5 2. Nf3 Nf6 3. Bc4","NMoves":3,"LAN":"e2e4 e7e5 g1f3 g8f6 f1c4"}
{"ECO":"C43","Opening":"Petrov","Variation":"modern (Steinitz) attack","Movetext":"1. e4 e5 2. Nf3 Nf6 3. d4","NMoves":3,"LAN":"e2e4 e7e5 g1f3 g8f6 d2d4"}
{"ECO":"C43","Opening":"Petrov","Variation":"modern attack, main line","Movetext":"1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4","NMoves":5,"LAN":"e2e4 e7e5 g1f3 g8f6 d2d4 e5d4 e4e5 f6e4 d1d4"}
{"ECO":"C43","Opening":"Petrov","Variation":"modern attack, Steinitz variation","Movetext":"1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qe2","NMoves":5,"LAN":"e2e4 e7e5 g1f3 g8f6 d2d4 e5d4 e4e5 f6e4 d1e2"}
{"ECO":"C43","Opening":"Petrov","Variation":"modern attack, Bardeleben variation","Movetext":"1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qe2 Nc5 6. Nxd4 Nc6","NMoves":6,"LAN":"e2e4 e7e5 g1f3 g8f6 d2d4 e5d4 e4e5 f6e4 d1e2 e4c5 f3d4 b8c6"}
{"ECO":"C43","Opening":"Petrov","Variation":"Urusov gambit","Movetext":"1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. Bc4","NMoves":4,"LAN":"e2e4 e7e5 g1f3 g8f6 d2d4 e5d4 f1c4"}
{"ECO":"C43","Opening":"Petrov","Variation":"modern attack, Symmetrical variation","Movetext":"1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4","NMoves":3,"LAN":"e2e4 e7e5 g1f3 g8f6 d2d4 f6e4"}
{"ECO":"C43","Opening":"Petrov","Variation":"modern attack, Trifunovic variation","Movetext":"1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Bd6 6. O-O O-O 7. c4 Bxe5","NMoves":7,"LAN":"e2e4 e7e5 g1f3 g8f6 d2d4 f6e4 f1d3 d7d5 f3e5 f8d6 e1g1 e8g8 c2c4 d6e5"}
{"ECO":"C44","Opening":"King's pawn game","Movetext":"1. e4 e5 2. Nf3 Nc6","NMoves":2,"LAN":"e2e4 e7e5 g1f3 b8c6"}
{"ECO":"C44","Opening":"Irish (Chicago) gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nxe5 Nxe5 4. d4","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f3e5 c6e5 d2d4"}
{"ECO":"C44","Opening":"Konstantinopolsky opening","Movetext":"1. e4 e5 2. Nf3 Nc6 3. g3","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 g2g3"}
{"ECO":"C44","Opening":"Dresden opening","Movetext":"1. e4 e5 2. Nf3 Nc6 3. c4","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 c2c4"}
{"ECO":"C44","Opening":"Inverted Hungarian","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Be2","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 f1e2"}
{"ECO":"C44","Opening":"Inverted Hanham","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Be2 Nf6 4. d3 d5 5. Nbd2","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1e2 g8f6 d2d3 d7d5 b1d2"}
{"ECO":"C44","Opening":"Tayler opening","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Be2 Nf6 4. d4","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1e2 g8f6 d2d4"}
{"ECO":"C44","Opening":"Ponziani opening","Movetext":"1. e4 e5 2. Nf3 Nc6 3. c3","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 c2c3"}
{"ECO":"C44","Opening":"Ponziani","Variation":"Caro variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 Bd7","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 c2c3 d7d5 d1a4 c8d7"}
{"ECO":"C44","Opening":"Ponziani","Variation":"Leonhardt variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 Nf6","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 c2c3 d7d5 d1a4 g8f6"}
{"ECO":"C44","Opening":"Ponziani","Variation":"Steinitz variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 f6","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 c2c3 d7d5 d1a4 f7f6"}
{"ECO":"C44","Opening":"Ponziani","Variation":"Jaenisch counter-attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. c3 Nf6","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 c2c3 g8f6"}
{"ECO":"C44","Opening":"Ponziani","Variation":"Fraser defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 Nxe4 5. d5 Bc5","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 c2c3 g8f6 d2d4 f6e4 d4d5 f8c5"}
{"ECO":"C44","Opening":"Ponziani","Variation":"Reti variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. c3 Nge7","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 c2c3 g8e7"}
{"ECO":"C44","Opening":"Ponziani","Variation":"Romanishin variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. c3 Be7","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 c2c3 f8e7"}
{"ECO":"C44","Opening":"Ponziani counter-gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. c3 f5","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 c2c3 f7f5"}
{"ECO":"C44","Opening":"Ponziani counter-gambit, Schmidt attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. c3 f5 4. d4 d6 5. d5","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 c2c3 f7f5 d2d4 d7d6 d4d5"}
{"ECO":"C44","Opening":"Ponziani counter-gambit, Cordel variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. c3 f5 4. d4 d6 5. d5 fxe4 6. Ng5 Nb8 7. Nxe4 Nf6 8. Bd3 Be7","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 c2c3 f7f5 d2d4 d7d6 d4d5 f5e4 f3g5 c6b8 g5e4 g8f6 f1d3 f8e7"}
{"ECO":"C44","Opening":"Scotch opening","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4"}
{"ECO":"C44","Opening":"Scotch","Variation":"Lolli variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 Nxd4","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 c6d4"}
{"ECO":"C44","Opening":"Scotch","Variation":"Cochrane variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 Nxd4 4. Nxe5 Ne6 5. Bc4 c6 6. O-O Nf6 7. Nxf7","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 c6d4 f3e5 d4e6 f1c4 c7c6 e1g1 g8f6 e5f7"}
{"ECO":"C44","Opening":"Scotch","Variation":"Relfsson gambit ('MacLopez')","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bb5","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1b5"}
{"ECO":"C44","Opening":"Scotch","Variation":"Goering gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 c2c3"}
{"ECO":"C44","Opening":"Scotch","Variation":"Sea-cadet mate","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Nxc3 d6 6. Bc4 Bg4 7. O-O Ne5 8. Nxe5 Bxd1 9. Bxf7+ Ke7 10. Nd5#","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 c2c3 d4c3 b1c3 d7d6 f1c4 c8g4 e1g1 c6e5 f3e5 g4d1 c4f7 e8e7 c3d5"}
{"ECO":"C44","Opening":"Scotch","Variation":"Goering gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Nxc3 Bb4","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 c2c3 d4c3 b1c3 f8b4"}
{"ECO":"C44","Opening":"Scotch","Variation":"Goering gambit, Bardeleben variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Nxc3 Bb4 6. Bc4 Nf6","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 c2c3 d4c3 b1c3 f8b4 f1c4 g8f6"}
{"ECO":"C44","Opening":"Scotch gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1c4"}
{"ECO":"C44","Opening":"Scotch gambit","Variation":"Anderssen (Paulsen, Suhle) counter-attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. O-O d6 6. c3 Bg4","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1c4 f8c5 e1g1 d7d6 c2c3 c8g4"}
{"ECO":"C44","Opening":"Scotch gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. Ng5","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1c4 f8c5 f3g5"}
{"ECO":"C44","Opening":"Scotch gambit","Variation":"Cochrane-Shumov defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. Ng5 Nh6 6. Nxf7 Nxf7 7. Bxf7+ Kxf7 8. Qh5+ g6 9. Qxc5 d5","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1c4 f8c5 f3g5 g8h6 g5f7 h6f7 c4f7 e8f7 d1h5 g7g6 h5c5 d7d5"}
{"ECO":"C44","Opening":"Scotch gambit","Variation":"Vitzhum attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. Ng5 Nh6 6. Qh5","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1c4 f8c5 f3g5 g8h6 d1h5"}
{"ECO":"C44","Opening":"Scotch gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1c4 f8b4"}
{"ECO":"C44","Opening":"Scotch gambit","Variation":"Hanneken variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. O-O cxb2 7. Bxb2 Nf6 8. Ng5 O-O 9. e5 Nxe5","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1c4 f8b4 c2c3 d4c3 e1g1 c3b2 c1b2 g8f6 f3g5 e8g8 e4e5 c6e5"}
{"ECO":"C44","Opening":"Scotch gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. bxc3","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1c4 f8b4 c2c3 d4c3 b2c3"}
{"ECO":"C44","Opening":"Scotch gambit","Variation":"Cochrane variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. bxc3 Ba5 7. e5","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1c4 f8b4 c2c3 d4c3 b2c3 b4a5 e4e5"}
{"ECO":"C44","Opening":"Scotch gambit","Variation":"Benima defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Be7","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1c4 f8e7"}
{"ECO":"C44","Opening":"Scotch gambit","Variation":"Dubois-Reti defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1c4 g8f6"}
{"ECO":"C45","Opening":"Scotch game","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4"}
{"ECO":"C45","Opening":"Scotch","Variation":"Ghulam Kassim variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Bd3","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 c6d4 d1d4 d7d6 f1d3"}
{"ECO":"C45","Opening":"Scotch","Variation":"Pulling counter-attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 d8h4"}
{"ECO":"C45","Opening":"Scotch","Variation":"Horwitz attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nb5","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 d8h4 d4b5"}
{"ECO":"C45","Opening":"Scotch","Variation":"Berger variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nb5 Bb4+ 6. Nd2 Qxe4+ 7. Be2 Qxg2 8. Bf3 Qh3 9. Nxc7+ Kd8 10. Nxa8 Nf6 11. a3","NMoves":11,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 d8h4 d4b5 f8b4 b1d2 h4e4 f1e2 e4g2 e2f3 g2h3 b5c7 e8d8 c7a8 g8f6 a2a3"}
{"ECO":"C45","Opening":"Scotch game","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nb5 Bb4+ 6. Bd2","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 d8h4 d4b5 f8b4 c1d2"}
{"ECO":"C45","Opening":"Scotch","Variation":"Rosenthal variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nb5 Bb4+ 6. Bd2 Qxe4+ 7. Be2 Kd8 8. O-O Bxd2 9. Nxd2 Qg6","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 d8h4 d4b5 f8b4 c1d2 h4e4 f1e2 e8d8 e1g1 b4d2 b1d2 e4g6"}
{"ECO":"C45","Opening":"Scotch","Variation":"Fraser attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nf3","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 d8h4 d4f3"}
{"ECO":"C45","Opening":"Scotch","Variation":"Steinitz variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nc3","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 d8h4 b1c3"}
{"ECO":"C45","Opening":"Scotch","Variation":"Schmidt variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 g8f6"}
{"ECO":"C45","Opening":"Scotch","Variation":"Mieses variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 g8f6 d4c6 b7c6 e4e5"}
{"ECO":"C45","Opening":"Scotch","Variation":"Tartakower variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Nd2","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 g8f6 d4c6 b7c6 b1d2"}
{"ECO":"C45","Opening":"Scotch game","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 f8c5"}
{"ECO":"C45","Opening":"Scotch","Variation":"Blackburne attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Qd2","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 f8c5 c1e3 d8f6 c2c3 g8e7 d1d2"}
{"ECO":"C45","Opening":"Scotch","Variation":"Gottschall variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Qd2 d5 8. Nb5 Bxe3 9. Qxe3 O-O 10. Nxc7 Rb8 11. Nxd5 Nxd5 12. exd5 Nb4","NMoves":12,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 f8c5 c1e3 d8f6 c2c3 g8e7 d1d2 d7d5 d4b5 c5e3 d2e3 e8g8 b5c7 a8b8 c7d5 e7d5 e4d5 c6b4"}
{"ECO":"C45","Opening":"Scotch","Variation":"Paulsen attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bb5","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 f8c5 c1e3 d8f6 c2c3 g8e7 f1b5"}
{"ECO":"C45","Opening":"Scotch","Variation":"Paulsen, Gunsberg defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bb5 Nd8","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 f8c5 c1e3 d8f6 c2c3 g8e7 f1b5 c6d8"}
{"ECO":"C45","Opening":"Scotch","Variation":"Meitner variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Nc2","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 f8c5 c1e3 d8f6 c2c3 g8e7 d4c2"}
{"ECO":"C45","Opening":"Scotch","Variation":"Blumenfeld attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. Nb5","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 f8c5 c1e3 d8f6 d4b5"}
{"ECO":"C45","Opening":"Scotch","Variation":"Potter variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 f8c5 d4b3"}
{"ECO":"C45","Opening":"Scotch","Variation":"Romanishin variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb4+","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 f8c5 d4b3 c5b4"}
{"ECO":"C46","Opening":"Three knights game","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3"}
{"ECO":"C46","Opening":"Three knights","Variation":"Schlechter variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Bb4 4. Nd5 Nf6","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 f8b4 c3d5 g8f6"}
{"ECO":"C46","Opening":"Three knights","Variation":"Winawer defence (Gothic defence)","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 f5","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 f7f5"}
{"ECO":"C46","Opening":"Three knights","Variation":"Steinitz variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 g6","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g7g6"}
{"ECO":"C46","Opening":"Three knights","Variation":"Steinitz, Rosenthal variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 g6 4. d4 exd4 5. Nd5","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g7g6 d2d4 e5d4 c3d5"}
{"ECO":"C46","Opening":"Four knights game","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6"}
{"ECO":"C46","Opening":"Four knights","Variation":"Schultze-Mueller gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f3e5"}
{"ECO":"C46","Opening":"Four knights","Variation":"Italian variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1c4"}
{"ECO":"C46","Opening":"Four knights","Variation":"Gunsberg variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 a2a3"}
{"ECO":"C47","Opening":"Four knights","Variation":"Scotch variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 d2d4"}
{"ECO":"C47","Opening":"Four knights","Variation":"Scotch, Krause variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 Bb4 5. Nxe5","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 d2d4 f8b4 f3e5"}
{"ECO":"C47","Opening":"Four knights","Variation":"Scotch, 4...exd4","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 d2d4 e5d4"}
{"ECO":"C47","Opening":"Four knights","Variation":"Belgrade gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 d2d4 e5d4 c3d5"}
{"ECO":"C48","Opening":"Four knights","Variation":"Spanish variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5"}
{"ECO":"C48","Opening":"Four knights","Variation":"Ranken variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 a6 5. Bxc6","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 a7a6 b5c6"}
{"ECO":"C48","Opening":"Four knights","Variation":"Spielmann variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 a6 5. Bxc6 dxc6 6. Nxe5 Nxe4 7. Nxe4 Qd4 8. O-O Qxe5 9. Re1 Be6 10. d4 Qd5","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 a7a6 b5c6 d7c6 f3e5 f6e4 c3e4 d8d4 e1g1 d4e5 f1e1 c8e6 d2d4 e5d5"}
{"ECO":"C48","Opening":"Four knights","Variation":"Spanish, classical defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8c5"}
{"ECO":"C48","Opening":"Four knights","Variation":"Bardeleben variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. O-O O-O 6. Nxe5 Nxe5 7. d4 Bd6 8. f4 Nc6 9. e5 Bb4","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8c5 e1g1 e8g8 f3e5 c6e5 d2d4 c5d6 f2f4 e5c6 e4e5 d6b4"}
{"ECO":"C48","Opening":"Four knights","Variation":"Marshall variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. O-O O-O 6. Nxe5 Nd4","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8c5 e1g1 e8g8 f3e5 c6d4"}
{"ECO":"C48","Opening":"Four knights","Variation":"Rubinstein counter-gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 c6d4"}
{"ECO":"C48","Opening":"Four knights","Variation":"Rubinstein counter-gambit, Bogolyubov variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Nxe5 Qe7 6. f4","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 c6d4 f3e5 d8e7 f2f4"}
{"ECO":"C48","Opening":"Four knights","Variation":"Rubinstein counter-gambit, 5.Be2","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Be2","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 c6d4 b5e2"}
{"ECO":"C48","Opening":"Four knights","Variation":"Rubinstein counter-gambit Maroczy variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Be2 Nxf3+ 6. Bxf3 Bc5 7. O-O O-O 8. d3 d6 9. Na4 Bb6","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 c6d4 b5e2 d4f3 e2f3 f8c5 e1g1 e8g8 d2d3 d7d6 c3a4 c5b6"}
{"ECO":"C48","Opening":"Four knights","Variation":"Rubinstein counter-gambit, exchange variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Nxd4","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 c6d4 f3d4"}
{"ECO":"C48","Opening":"Four knights","Variation":"Rubinstein counter-gambit, Henneberger variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. O-O","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 c6d4 e1g1"}
{"ECO":"C49","Opening":"Four knights","Variation":"double Ruy Lopez","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4"}
{"ECO":"C49","Opening":"Four knights","Variation":"Gunsberg counter-attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. Nd5 Nxd5 7. exd5 e4","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 c3d5 f6d5 e4d5 e5e4"}
{"ECO":"C49","Opening":"Four knights","Variation":"double Ruy Lopez","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3"}
{"ECO":"C49","Opening":"Four knights","Variation":"Alatortsev variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Qe7 7. Ne2 d5","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 d8e7 c3e2 d7d5"}
{"ECO":"C49","Opening":"Four knights","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 b4c3"}
{"ECO":"C49","Opening":"Four knights","Variation":"Janowski variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Re1","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 b4c3 b2c3 d7d6 f1e1"}
{"ECO":"C49","Opening":"Four knights","Variation":"Svenonius variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d5","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 b4c3 b2c3 d7d5"}
{"ECO":"C49","Opening":"Four knights","Variation":"symmetrical variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 d7d6"}
{"ECO":"C49","Opening":"Four knights","Variation":"symmetrical, Metger unpin","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 Qe7","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 d7d6 c1g5 b4c3 b2c3 d8e7"}
{"ECO":"C49","Opening":"Four knights","Variation":"symmetrical, Capablanca variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 Qe7 9. Re1 Nd8 10. d4 Bg4","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 d7d6 c1g5 b4c3 b2c3 d8e7 f1e1 c6d8 d3d4 c8g4"}
{"ECO":"C49","Opening":"Four knights","Variation":"symmetrical, Pillsbury variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Ne7","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 d7d6 c1g5 c6e7"}
{"ECO":"C49","Opening":"Four knights","Variation":"symmetrical, Blake variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Ne7 8. Nh4 c6 9. Bc4 d5 10. Bb3 Qd6","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 d7d6 c1g5 c6e7 f3h4 c7c6 b5c4 d6d5 c4b3 d8d6"}
{"ECO":"C49","Opening":"Four knights","Variation":"symmetrical, Tarrasch variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Be6","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 d7d6 c1g5 c8e6"}
{"ECO":"C49","Opening":"Four knights","Variation":"symmetrical, Maroczy system","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 d7d6 c3e2"}
{"ECO":"C49","Opening":"Four knights","Variation":"Nimzovich (Paulsen) variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. Bxc6","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 b5c6"}
{"ECO":"C50","Opening":"King's pawn game","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4"}
{"ECO":"C50","Opening":"Blackburne shilling gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nd4 4. Nxe5 Qg5 5. Nxf7 Qxg2 6. Rf1 Qxe4+ 7. Be2 Nf3#","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 c6d4 f3e5 d8g5 e5f7 g5g2 h1f1 g2e4 c4e2 d4f3"}
{"ECO":"C50","Opening":"Rousseau gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 f5","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f7f5"}
{"ECO":"C50","Opening":"Hungarian defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8e7"}
{"ECO":"C50","Opening":"Hungarian defence","Variation":"Tartakower variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 exd4 5. c3 Nf6 6. e5 Ne4","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8e7 d2d4 e5d4 c2c3 g8f6 e4e5 f6e4"}
{"ECO":"C50","Opening":"Giuoco Piano","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5"}
{"ECO":"C50","Opening":"Giuoco Piano","Variation":"four knights variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b1c3 g8f6"}
{"ECO":"C50","Opening":"Giuoco Piano","Variation":"Jerome gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Bxf7+","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c4f7"}
{"ECO":"C50","Opening":"Giuoco Pianissimo","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 d2d3"}
{"ECO":"C50","Opening":"Giuoco Pianissimo","Variation":"Dubois variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 f5 5. Ng5 f4","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 d2d3 f7f5 f3g5 f5f4"}
{"ECO":"C50","Opening":"Giuoco Pianissimo","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 d2d3 g8f6"}
{"ECO":"C50","Opening":"Giuoco Pianissimo","Variation":"Italian four knights variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 d2d3 g8f6 b1c3"}
{"ECO":"C50","Opening":"Giuoco Pianissimo","Variation":"Canal variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3 d6 6. Bg5","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 d2d3 g8f6 b1c3 d7d6 c1g5"}
{"ECO":"C51","Opening":"Evans gambit declined","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4"}
{"ECO":"C51","Opening":"Evans gambit declined, Lange variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. b5 Na5 6. Nxe5 Nh6","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b6 b4b5 c6a5 f3e5 g8h6"}
{"ECO":"C51","Opening":"Evans gambit declined, Pavlov variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. b5 Na5 6. Nxe5 Nh6 7. d4 d6 8. Bxh6 dxe5 9. Bxg7 Rg8 10. Bxf7+ Kxf7 11. Bxe5 Qg5 12. Nd2","NMoves":12,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b6 b4b5 c6a5 f3e5 g8h6 d2d4 d7d6 c1h6 d6e5 h6g7 h8g8 c4f7 e8f7 g7e5 d8g5 b1d2"}
{"ECO":"C51","Opening":"Evans gambit declined, Hirschbach variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. b5 Na5 6. Nxe5 Qg5","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b6 b4b5 c6a5 f3e5 d8g5"}
{"ECO":"C51","Opening":"Evans gambit declined, Vasquez variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. b5 Na5 6. Nxe5 Qg5 7. Bxf7+ Ke7 8. Qh5","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b6 b4b5 c6a5 f3e5 d8g5 c4f7 e8e7 d1h5"}
{"ECO":"C51","Opening":"Evans gambit declined, Hicken variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. b5 Na5 6. Nxe5 Qg5 7. Qf3 Qxe5 8. Qxf7+ Kd8 9. Bb2","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b6 b4b5 c6a5 f3e5 d8g5 d1f3 g5e5 f3f7 e8d8 c1b2"}
{"ECO":"C51","Opening":"Evans gambit declined, 5.a4","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. a4","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b6 a2a4"}
{"ECO":"C51","Opening":"Evans gambit declined, Showalter variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. a4 a6 6. Nc3","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b6 a2a4 a7a6 b1c3"}
{"ECO":"C51","Opening":"Evans gambit declined, Cordel variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. Bb2","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b6 c1b2"}
{"ECO":"C51","Opening":"Evans counter-gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 d5","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 d7d5"}
{"ECO":"C51","Opening":"Evans gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4"}
{"ECO":"C51","Opening":"Evans gambit","Variation":"normal variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4c5 d2d4 e5d4 e1g1 d7d6 c3d4 c5b6"}
{"ECO":"C51","Opening":"Evans gambit","Variation":"Ulvestad variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. d5 Na5 10. Bb2","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4c5 d2d4 e5d4 e1g1 d7d6 c3d4 c5b6 d4d5 c6a5 c1b2"}
{"ECO":"C51","Opening":"Evans gambit","Variation":"Paulsen variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. d5 Na5 10. Bb2 Ne7","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4c5 d2d4 e5d4 e1g1 d7d6 c3d4 c5b6 d4d5 c6a5 c1b2 g8e7"}
{"ECO":"C51","Opening":"Evans gambit","Variation":"Morphy attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4c5 d2d4 e5d4 e1g1 d7d6 c3d4 c5b6 b1c3"}
{"ECO":"C51","Opening":"Evans gambit","Variation":"Goering attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 Na5 10. Bg5","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4c5 d2d4 e5d4 e1g1 d7d6 c3d4 c5b6 b1c3 c6a5 c1g5"}
{"ECO":"C51","Opening":"Evans gambit","Variation":"Steinitz variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 Na5 10. Bg5 f6 11. Be3","NMoves":11,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4c5 d2d4 e5d4 e1g1 d7d6 c3d4 c5b6 b1c3 c6a5 c1g5 f7f6 g5e3"}
{"ECO":"C51","Opening":"Evans gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 Bg4","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4c5 d2d4 e5d4 e1g1 d7d6 c3d4 c5b6 b1c3 c8g4"}
{"ECO":"C51","Opening":"Evans gambit","Variation":"Fraser attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 Bg4 10. Qa4","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4c5 d2d4 e5d4 e1g1 d7d6 c3d4 c5b6 b1c3 c8g4 d1a4"}
{"ECO":"C51","Opening":"Evans gambit","Variation":"Fraser-Mortimer attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 Bg4 10. Qa4 Bd7 11. Qb3 Na5 12. Bxf7+ Kf8 13. Qc2","NMoves":13,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4c5 d2d4 e5d4 e1g1 d7d6 c3d4 c5b6 b1c3 c8g4 d1a4 g4d7 a4b3 c6a5 c4f7 e8f8 b3c2"}
{"ECO":"C51","Opening":"Evans gambit","Variation":"Stone-Ware variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bd6","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4d6"}
{"ECO":"C51","Opening":"Evans gambit","Variation":"Mayet defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bf8","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4f8"}
{"ECO":"C51","Opening":"Evans gambit","Variation":"5...Be7","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4e7"}
{"ECO":"C51","Opening":"Evans gambit","Variation":"Cordel variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7 6. d4 Na5","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4e7 d2d4 c6a5"}
{"ECO":"C52","Opening":"Evans gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5"}
{"ECO":"C52","Opening":"Evans gambit","Variation":"compromised defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O dxc3","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 d2d4 e5d4 e1g1 d4c3"}
{"ECO":"C52","Opening":"Evans gambit","Variation":"compromised defence, Paulsen variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O dxc3 8. Qb3 Qf6 9. e5 Qg6 10. Nxc3 Nge7 11. Ba3","NMoves":11,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 d2d4 e5d4 e1g1 d4c3 d1b3 d8f6 e4e5 f6g6 b1c3 g8e7 c1a3"}
{"ECO":"C52","Opening":"Evans gambit","Variation":"compromised defence, Potter variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O dxc3 8. Qb3 Qf6 9. e5 Qg6 10. Nxc3 Nge7 11. Rd1","NMoves":11,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 d2d4 e5d4 e1g1 d4c3 d1b3 d8f6 e4e5 f6g6 b1c3 g8e7 f1d1"}
{"ECO":"C52","Opening":"Evans gambit","Variation":"Leonhardt variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 b5","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 d2d4 b7b5"}
{"ECO":"C52","Opening":"Evans gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 d2d4 d7d6"}
{"ECO":"C52","Opening":"Evans gambit","Variation":"Tartakower attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 d2d4 d7d6 d1b3"}
{"ECO":"C52","Opening":"Evans gambit","Variation":"Levenfish variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 Qd7 8. dxe5 dxe5 9. O-O Bb6 10. Ba3 Na5 11. Nxe5","NMoves":11,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 d2d4 d7d6 d1b3 d8d7 d4e5 d6e5 e1g1 a5b6 c1a3 c6a5 f3e5"}
{"ECO":"C52","Opening":"Evans gambit","Variation":"Sokolsky variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Bg5","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 d2d4 d7d6 c1g5"}
{"ECO":"C52","Opening":"Evans gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 e1g1"}
{"ECO":"C52","Opening":"Evans gambit","Variation":"Richardson attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O Nf6 7. d4 O-O 8. Nxe5","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 e1g1 g8f6 d2d4 e8g8 f3e5"}
{"ECO":"C52","Opening":"Evans gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O d6","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 e1g1 d7d6"}
{"ECO":"C52","Opening":"Evans gambit","Variation":"Waller attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O d6 7. d4 exd4 8. Qb3","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 e1g1 d7d6 d2d4 e5d4 d1b3"}
{"ECO":"C52","Opening":"Evans gambit","Variation":"Lasker defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O d6 7. d4 Bb6","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 e1g1 d7d6 d2d4 a5b6"}
{"ECO":"C52","Opening":"Evans gambit","Variation":"Sanders-Alapin variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O d6 7. d4 Bd7","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 e1g1 d7d6 d2d4 c8d7"}
{"ECO":"C52","Opening":"Evans gambit","Variation":"Alapin-Steinitz variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O d6 7. d4 Bg4","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 e1g1 d7d6 d2d4 c8g4"}
{"ECO":"C53","Opening":"Giuoco Piano","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3"}
{"ECO":"C53","Opening":"Giuoco Piano","Variation":"LaBourdonnais variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb6","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 d7d6 d2d4 e5d4 c3d4 c5b6"}
{"ECO":"C53","Opening":"Giuoco Piano","Variation":"close variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 d8e7"}
{"ECO":"C53","Opening":"Giuoco Piano","Variation":"centre-holding variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. d4 Bb6","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 d8e7 d2d4 c5b6"}
{"ECO":"C53","Opening":"Giuoco Piano","Variation":"Tarrasch variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. d4 Bb6 6. O-O Nf6 7. a4 a6 8. Re1 d6 9. h3","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 d8e7 d2d4 c5b6 e1g1 g8f6 a2a4 a7a6 f1e1 d7d6 h2h3"}
{"ECO":"C53","Opening":"Giuoco Piano","Variation":"Mestel variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. d4 Bb6 6. Bg5","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 d8e7 d2d4 c5b6 c1g5"}
{"ECO":"C53","Opening":"Giuoco Piano","Variation":"Eisinger variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. d4 Bb6 6. d5 Nb8 7. d6","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 d8e7 d2d4 c5b6 d4d5 c6b8 d5d6"}
{"ECO":"C53","Opening":"Giuoco Piano","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6"}
{"ECO":"C53","Opening":"Giuoco Piano","Variation":"Bird's attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. b4","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 b2b4"}
{"ECO":"C53","Opening":"Giuoco Piano","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4"}
{"ECO":"C53","Opening":"Giuoco Piano","Variation":"Ghulam Kassim variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 Ne4 7. Bd5 Nxf2 8. Kxf2 dxc3+ 9. Kg3","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 e4e5 f6e4 c4d5 e4f2 e1f2 d4c3 f2g3"}
{"ECO":"C53","Opening":"Giuoco Piano","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 e4e5 d7d5"}
{"ECO":"C53","Opening":"Giuoco Piano","Variation":"Anderssen variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb4+","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 e4e5 d7d5 c4b5 f6e4 c3d4 c5b4"}
{"ECO":"C54","Opening":"Giuoco Piano","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4"}
{"ECO":"C54","Opening":"Giuoco Piano","Variation":"Krause variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Nxe4 8. Bxb4 Nxb4 9. Bxf7+ Kxf7 10. Qb3+ d5 11. Ne5+ Kf6 12. f3","NMoves":12,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4 c1d2 f6e4 d2b4 c6b4 c4f7 e8f7 d1b3 d7d5 f3e5 f7f6 f2f3"}
{"ECO":"C54","Opening":"Giuoco Piano","Variation":"Cracow variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Kf1","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4 e1f1"}
{"ECO":"C54","Opening":"Giuoco Piano","Variation":"Greco's attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4 b1c3"}
{"ECO":"C54","Opening":"Giuoco Piano","Variation":"Greco variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Nxc3","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4 b1c3 f6e4 e1g1 e4c3"}
{"ECO":"C54","Opening":"Giuoco Piano","Variation":"Bernstein variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Nxc3 9. bxc3 Bxc3 10. Qb3 d5","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4 b1c3 f6e4 e1g1 e4c3 b2c3 b4c3 d1b3 d7d5"}
{"ECO":"C54","Opening":"Giuoco Piano","Variation":"Aitken variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Nxc3 9. bxc3 Bxc3 10. Ba3","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4 b1c3 f6e4 e1g1 e4c3 b2c3 b4c3 c1a3"}
{"ECO":"C54","Opening":"Giuoco Piano","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc3","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4 b1c3 f6e4 e1g1 b4c3"}
{"ECO":"C54","Opening":"Giuoco Piano","Variation":"Steinitz variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc3 9. bxc3 d5 10. Ba3","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4 b1c3 f6e4 e1g1 b4c3 b2c3 d7d5 c1a3"}
{"ECO":"C54","Opening":"Giuoco Piano","Variation":"Moeller (Therkatz) attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc3 9. d5","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4 b1c3 f6e4 e1g1 b4c3 d4d5"}
{"ECO":"C54","Opening":"Giuoco Piano","Variation":"Therkatz-Herzog variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc3 9. d5 Bf6 10. Re1 Ne7 11. Rxe4 d6 12. Bg5 Bxg5 13. Nxg5 O-O 14. Nxh7","NMoves":14,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4 b1c3 f6e4 e1g1 b4c3 d4d5 c3f6 f1e1 c6e7 e1e4 d7d6 c1g5 f6g5 f3g5 e8g8 g5h7"}
{"ECO":"C54","Opening":"Giuoco Piano","Variation":"Moeller, bayonet attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc3 9. d5 Bf6 10. Re1 Ne7 11. Rxe4 d6 12. g4","NMoves":12,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4 b1c3 f6e4 e1g1 b4c3 d4d5 c3f6 f1e1 c6e7 e1e4 d7d6 g2g4"}
{"ECO":"C55","Opening":"Two knights defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6"}
{"ECO":"C55","Opening":"Giuoco piano","Variation":"Rosentreter variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. O-O Bc5 5. d4 Bxd4 6. Nxd4 Nxd4 7. Bg5 h6 8. Bh4 g5 9. f4","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 e1g1 f8c5 d2d4 c5d4 f3d4 c6d4 c1g5 h7h6 g5h4 g7g5 f2f4"}
{"ECO":"C55","Opening":"Giuoco piano","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. O-O Bc5 5. d4 Bxd4 6. Nxd4 Nxd4 7. Bg5 d6","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 e1g1 f8c5 d2d4 c5d4 f3d4 c6d4 c1g5 d7d6"}
{"ECO":"C55","Opening":"Giuoco piano","Variation":"Holzhausen attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. O-O Bc5 5. d4 Bxd4 6. Nxd4 Nxd4 7. Bg5 d6 8. f4 Qe7 9. fxe5 dxe5 10. Nc3","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 e1g1 f8c5 d2d4 c5d4 f3d4 c6d4 c1g5 d7d6 f2f4 d8e7 f4e5 d6e5 b1c3"}
{"ECO":"C55","Opening":"Two knights defence (Modern bishop's opening)","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d3"}
{"ECO":"C55","Opening":"Two knights defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4"}
{"ECO":"C55","Opening":"Two knights defence, Keidanz variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bc5 8. Nxc6 Bxf2+ 9. Kf1 Qh4","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e4e5 d7d5 c4b5 f6e4 f3d4 f8c5 d4c6 c5f2 e1f1 d8h4"}
{"ECO":"C55","Opening":"Two knights defence, Perreux variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. Ng5","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 f3g5"}
{"ECO":"C55","Opening":"Two knights defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1"}
{"ECO":"C55","Opening":"two knights","Variation":"Max Lange attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f8c5 e4e5"}
{"ECO":"C55","Opening":"two knights","Variation":"Max Lange attack, Berger variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 Qd5 10. Nc3 Qf5 11. g4 Qg6 12. Nce4 Bb6 13. f4 O-O-O","NMoves":13,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f8c5 e4e5 d7d5 e5f6 d5c4 f1e1 c8e6 f3g5 d8d5 b1c3 d5f5 g2g4 f5g6 c3e4 c5b6 f2f4 e8c8"}
{"ECO":"C55","Opening":"two knights","Variation":"Max Lange attack, Marshall variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 Qd5 10. Nc3 Qf5 11. Nce4","NMoves":11,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f8c5 e4e5 d7d5 e5f6 d5c4 f1e1 c8e6 f3g5 d8d5 b1c3 d5f5 c3e4"}
{"ECO":"C55","Opening":"two knights","Variation":"Max Lange attack, Rubinstein variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 Qd5 10. Nc3 Qf5 11. Nce4 Bf8","NMoves":11,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f8c5 e4e5 d7d5 e5f6 d5c4 f1e1 c8e6 f3g5 d8d5 b1c3 d5f5 c3e4 c5f8"}
{"ECO":"C55","Opening":"two knights","Variation":"Max Lange attack, Loman defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 g6","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f8c5 e4e5 d7d5 e5f6 d5c4 f1e1 c8e6 f3g5 g7g6"}
{"ECO":"C55","Opening":"two knights","Variation":"Max Lange attack, Schlechter variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. fxg7","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f8c5 e4e5 d7d5 e5f6 d5c4 f1e1 c8e6 f6g7"}
{"ECO":"C55","Opening":"two knights","Variation":"Max Lange attack, Steinitz variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 Ng4","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f8c5 e4e5 f6g4"}
{"ECO":"C55","Opening":"two knights","Variation":"Max Lange attack, Krause variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 Ng4 7. c3","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f8c5 e4e5 f6g4 c2c3"}
{"ECO":"C56","Opening":"Two knights defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Nxe4","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f6e4"}
{"ECO":"C56","Opening":"two knights defence","Variation":"Yurdansky attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qa5 9. Nxe4 Be6 10. Bg5 h6 11. Bh4 g5 12. Nf6+ Ke7 13. b4","NMoves":13,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f6e4 f1e1 d7d5 c4d5 d8d5 b1c3 d5a5 c3e4 c8e6 c1g5 h7h6 g5h4 g7g5 e4f6 e8e7 b2b4"}
{"ECO":"C56","Opening":"two knights defence","Variation":"Canal variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Nxe4 6. Re1 d5 7. Nc3","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f6e4 f1e1 d7d5 b1c3"}
{"ECO":"C57","Opening":"Two knights defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5"}
{"ECO":"C57","Opening":"two knights defence","Variation":"Wilkes Barre (Traxler) variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 f8c5"}
{"ECO":"C57","Opening":"two knights defence","Variation":"Ulvestad variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 b7b5"}
{"ECO":"C57","Opening":"two knights defence","Variation":"Fritz variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6d4"}
{"ECO":"C57","Opening":"two knights defence","Variation":"Fritz, Gruber variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4 6. c3 b5 7. Bf1 Nxd5 8. Ne4","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6d4 c2c3 b7b5 c4f1 f6d5 g5e4"}
{"ECO":"C57","Opening":"two knights defence","Variation":"Lolli attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. d4","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 f6d5 d2d4"}
{"ECO":"C57","Opening":"two knights defence","Variation":"Pincus variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. d4 Bb4+","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 f6d5 d2d4 f8b4"}
{"ECO":"C57","Opening":"two knights defence","Variation":"Fegatello attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 f6d5 g5f7"}
{"ECO":"C57","Opening":"two knights defence","Variation":"Fegatello attack, Leonhardt variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke6 8. Nc3 Nb4 9. Qe4 c6 10. a3 Na6 11. d4 Nc7","NMoves":11,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 f6d5 g5f7 e8f7 d1f3 f7e6 b1c3 c6b4 f3e4 c7c6 a2a3 b4a6 d2d4 a6c7"}
{"ECO":"C57","Opening":"two knights defence","Variation":"Fegatello attack, Polerio defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke6 8. Nc3 Ne7","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 f6d5 g5f7 e8f7 d1f3 f7e6 b1c3 c6e7"}
{"ECO":"C58","Opening":"two knights defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5"}
{"ECO":"C58","Opening":"two knights defence","Variation":"Kieseritsky variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. d3","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 d2d3"}
{"ECO":"C58","Opening":"two knights defence","Variation":"Yankovich variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. d3 h6 7. Nf3 e4 8. Qe2 Nxc4 9. dxc4 Bc5 10. Nfd2","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 d2d3 h7h6 g5f3 e5e4 d1e2 a5c4 d3c4 f8c5 f3d2"}
{"ECO":"C58","Opening":"two knights defence","Variation":"Maroczy variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. d3 h6 7. Nf3 e4 8. Qe2 Nxc4 9. dxc4 Be7","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 d2d3 h7h6 g5f3 e5e4 d1e2 a5c4 d3c4 f8e7"}
{"ECO":"C58","Opening":"Two knights defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 c4b5"}
{"ECO":"C58","Opening":"two knights defence","Variation":"Bogolyubov variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 c4b5 c7c6 d5c6 b7c6 d1f3"}
{"ECO":"C58","Opening":"two knights defence","Variation":"Paoli variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 Qc7 9. Bd3","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 c4b5 c7c6 d5c6 b7c6 d1f3 d8c7 b5d3"}
{"ECO":"C58","Opening":"two knights defence","Variation":"Colman variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 Rb8","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 c4b5 c7c6 d5c6 b7c6 d1f3 a8b8"}
{"ECO":"C58","Opening":"two knights defence","Variation":"Blackburne variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 cxb5","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 c4b5 c7c6 d5c6 b7c6 d1f3 c6b5"}
{"ECO":"C58","Opening":"Two knights defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 c4b5 c7c6 d5c6 b7c6 b5e2"}
{"ECO":"C59","Opening":"Two knights defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 c4b5 c7c6 d5c6 b7c6 b5e2 h7h6"}
{"ECO":"C59","Opening":"two knights defence","Variation":"Knorre variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bd6 11. d4 Qc7 12. Bd2","NMoves":12,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 c4b5 c7c6 d5c6 b7c6 b5e2 h7h6 g5f3 e5e4 f3e5 f8d6 d2d4 d8c7 c1d2"}
{"ECO":"C59","Opening":"two knights defence","Variation":"Goering variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Qc7","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 c4b5 c7c6 d5c6 b7c6 b5e2 h7h6 g5f3 e5e4 f3e5 d8c7"}
{"ECO":"C59","Opening":"two knights defence","Variation":"Steinitz variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nh3","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 c4b5 c7c6 d5c6 b7c6 b5e2 h7h6 g5h3"}
{"ECO":"C60","Opening":"Ruy Lopez (Spanish opening)","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5"}
{"ECO":"C60","Opening":"Ruy Lopez","Variation":"Nuernberg variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 f6","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 f7f6"}
{"ECO":"C60","Opening":"Ruy Lopez","Variation":"Pollock defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Na5","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 c6a5"}
{"ECO":"C60","Opening":"Ruy Lopez","Variation":"Lucena defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Be7","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 f8e7"}
{"ECO":"C60","Opening":"Ruy Lopez","Variation":"Vinogradov variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Qe7","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 d8e7"}
{"ECO":"C60","Opening":"Ruy Lopez","Variation":"Brentano defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 g5","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g7g5"}
{"ECO":"C60","Opening":"Ruy Lopez","Variation":"fianchetto (Smyslov/Barnes) defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 g6","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g7g6"}
{"ECO":"C60","Opening":"Ruy Lopez","Variation":"Cozio defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8e7"}
{"ECO":"C60","Opening":"Ruy Lopez","Variation":"Cozio defence, Paulsen variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. Nc3 g6","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8e7 b1c3 g7g6"}
{"ECO":"C61","Opening":"Ruy Lopez","Variation":"Bird's defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 c6d4"}
{"ECO":"C61","Opening":"Ruy Lopez","Variation":"Bird's defence, Paulsen variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O Ne7","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 c6d4 f3d4 e5d4 e1g1 g8e7"}
{"ECO":"C62","Opening":"Ruy Lopez","Variation":"old Steinitz defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 d6","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 d7d6"}
{"ECO":"C62","Opening":"Ruy Lopez","Variation":"old Steinitz defence, Nimzovich attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. Nc3 Nf6 6. Bxc6","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 d7d6 d2d4 c8d7 b1c3 g8f6 b5c6"}
{"ECO":"C62","Opening":"Ruy Lopez","Variation":"old Steinitz defence, semi-Duras variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. c4","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 d7d6 d2d4 c8d7 c2c4"}
{"ECO":"C63","Opening":"Ruy Lopez","Variation":"Schliemann defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 f5","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 f7f5"}
{"ECO":"C63","Opening":"Ruy Lopez","Variation":"Schliemann defence, Berger variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 f7f5 b1c3"}
{"ECO":"C64","Opening":"Ruy Lopez","Variation":"classical (Cordel) defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 f8c5"}
{"ECO":"C64","Opening":"Ruy Lopez","Variation":"classical defence, Zaitsev variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Nd4 5. b4","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 f8c5 e1g1 c6d4 b2b4"}
{"ECO":"C64","Opening":"Ruy Lopez","Variation":"classical defence, 4.c3","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 f8c5 c2c3"}
{"ECO":"C64","Opening":"Ruy Lopez","Variation":"classical defence, Benelux variation  ","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. O-O O-O 6. d4 Bb6","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 f8c5 c2c3 g8f6 e1g1 e8g8 d2d4 c5b6"}
{"ECO":"C64","Opening":"Ruy Lopez","Variation":"classical defence, Charousek variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Bb6","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 f8c5 c2c3 c5b6"}
{"ECO":"C64","Opening":"Ruy Lopez","Variation":"classical defence, Boden variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Qe7","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 f8c5 c2c3 d8e7"}
{"ECO":"C64","Opening":"Ruy Lopez","Variation":"Cordel gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 f5","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 f8c5 c2c3 f7f5"}
{"ECO":"C65","Opening":"Ruy Lopez","Variation":"Berlin defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6","NMoves":3,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6"}
{"ECO":"C65","Opening":"Ruy Lopez","Variation":"Berlin defence, Nyholm attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d4 exd4 5. O-O","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 d2d4 e5d4 e1g1"}
{"ECO":"C65","Opening":"Ruy Lopez","Variation":"Berlin defence, Mortimer variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Ne7","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 d2d3 c6e7"}
{"ECO":"C65","Opening":"Ruy Lopez","Variation":"Berlin defence, Mortimer trap","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Ne7 5. Nxe5 c6","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 d2d3 c6e7 f3e5 c7c6"}
{"ECO":"C65","Opening":"Ruy Lopez","Variation":"Berlin defence, Anderssen variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. Bxc6+","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 d2d3 d7d6 b5c6"}
{"ECO":"C65","Opening":"Ruy Lopez","Variation":"Berlin defence, Duras variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. c4","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 d2d3 d7d6 c2c4"}
{"ECO":"C65","Opening":"Ruy Lopez","Variation":"Berlin defence, Kaufmann variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Be3","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 d2d3 f8c5 c1e3"}
{"ECO":"C65","Opening":"Ruy Lopez","Variation":"Berlin defence, 4.O-O","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1"}
{"ECO":"C65","Opening":"Ruy Lopez","Variation":"Berlin defence, Beverwijk variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f8c5"}
{"ECO":"C66","Opening":"Ruy Lopez","Variation":"Berlin defence, 4.O-O, d6","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 d7d6"}
{"ECO":"C66","Opening":"Ruy Lopez","Variation":"Berlin defence, hedgehog variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 d7d6 d2d4 c8d7 b1c3 f8e7"}
{"ECO":"C66","Opening":"Ruy Lopez","Variation":"Berlin defence, Tarrasch trap","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Re1 O-O","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 d7d6 d2d4 c8d7 b1c3 f8e7 f1e1 e8g8"}
{"ECO":"C66","Opening":"Ruy Lopez","Variation":"closed Berlin defence, Bernstein variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bg5","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 d7d6 d2d4 c8d7 b1c3 f8e7 c1g5"}
{"ECO":"C66","Opening":"Ruy Lopez","Variation":"closed Berlin defence, Showalter variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bxc6","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 d7d6 d2d4 c8d7 b1c3 f8e7 b5c6"}
{"ECO":"C66","Opening":"Ruy Lopez","Variation":"closed Berlin defence, Wolf variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 exd4","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 d7d6 d2d4 c8d7 b1c3 e5d4"}
{"ECO":"C66","Opening":"Ruy Lopez","Variation":"closed Berlin defence, Chigorin variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Nd7","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 d7d6 d2d4 f6d7"}
{"ECO":"C67","Opening":"Ruy Lopez","Variation":"Berlin defence, open variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4"}
{"ECO":"C67","Opening":"Ruy Lopez","Variation":"open Berlin defence, l'Hermet variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 e4d6 d4e5"}
{"ECO":"C67","Opening":"Ruy Lopez","Variation":"open Berlin defence, Showalter variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Ba4","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 e4d6 b5a4"}
{"ECO":"C67","Opening":"Ruy Lopez","Variation":"open Berlin defence, 5...Be7","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 f8e7"}
{"ECO":"C67","Opening":"Ruy Lopez","Variation":"Berlin defence, Rio de Janeiro variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. Nc3 O-O 10. Re1 Nc5 11. Nd4 Ne6 12. Be3 Nxd4 13. Bxd4 c5","NMoves":13,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 f8e7 d1e2 e4d6 b5c6 b7c6 d4e5 d6b7 b1c3 e8g8 f1e1 b7c5 f3d4 c5e6 c1e3 e6d4 e3d4 c6c5"}
{"ECO":"C67","Opening":"Ruy Lopez","Variation":"Berlin defence, Zukertort variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. c4","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 f8e7 d1e2 e4d6 b5c6 b7c6 d4e5 d6b7 c2c4"}
{"ECO":"C67","Opening":"Ruy Lopez","Variation":"Berlin defence, Pillsbury variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. b3","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 f8e7 d1e2 e4d6 b5c6 b7c6 d4e5 d6b7 b2b3"}
{"ECO":"C67","Opening":"Ruy Lopez","Variation":"Berlin defence, Winawer attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. Nd4","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 f8e7 d1e2 e4d6 b5c6 b7c6 d4e5 d6b7 f3d4"}
{"ECO":"C67","Opening":"Ruy Lopez","Variation":"Berlin defence, Cordel variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nf5","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 f8e7 d1e2 e4d6 b5c6 b7c6 d4e5 d6f5"}
{"ECO":"C67","Opening":"Ruy Lopez","Variation":"Berlin defence, Trifunovic variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 d5","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 f8e7 d1e2 d7d5"}
{"ECO":"C67","Opening":"Ruy Lopez","Variation":"Berlin defence, Minckwitz variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. dxe5","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 f8e7 d4e5"}
{"ECO":"C67","Opening":"Ruy Lopez","Variation":"Berlin defence, Rosenthal variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 a6","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 a7a6"}
{"ECO":"C68","Opening":"Ruy Lopez","Variation":"exchange variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5c6"}
{"ECO":"C68","Opening":"Ruy Lopez","Variation":"exchange, Alekhine variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Bd7","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5c6 d7c6 d2d4 e5d4 d1d4 d8d4 f3d4 c8d7"}
{"ECO":"C68","Opening":"Ruy Lopez","Variation":"exchange, Keres variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5c6 d7c6 b1c3"}
{"ECO":"C68","Opening":"Ruy Lopez","Variation":"exchange, Romanovsky variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 f6 6. d3","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5c6 d7c6 b1c3 f7f6 d2d3"}
{"ECO":"C69","Opening":"Ruy Lopez","Variation":"exchange variation, 5.O-O","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5c6 d7c6 e1g1"}
{"ECO":"C69","Opening":"Ruy Lopez","Variation":"exchange variation, Alapin gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 h5","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5c6 d7c6 e1g1 c8g4 h2h3 h7h5"}
{"ECO":"C69","Opening":"Ruy Lopez","Variation":"exchange, Gligoric variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5c6 d7c6 e1g1 f7f6"}
{"ECO":"C69","Opening":"Ruy Lopez","Variation":"exchange, Bronstein variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Qd6","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5c6 d7c6 e1g1 d8d6"}
{"ECO":"C70","Opening":"Ruy Lopez","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4"}
{"ECO":"C70","Opening":"Ruy Lopez","Variation":"fianchetto defence deferred","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g7g6"}
{"ECO":"C70","Opening":"Ruy Lopez","Variation":"Cozio defence deferred","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8e7"}
{"ECO":"C70","Opening":"Ruy Lopez","Variation":"Bird's defence deferred","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nd4","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 c6d4"}
{"ECO":"C70","Opening":"Ruy Lopez","Variation":"Alapin's defence deferred","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bb4","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 f8b4"}
{"ECO":"C70","Opening":"Ruy Lopez","Variation":"Classical defence deferred","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 f8c5"}
{"ECO":"C70","Opening":"Ruy Lopez","Variation":"Caro variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 b7b5"}
{"ECO":"C70","Opening":"Ruy Lopez","Variation":"Graz variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bc5","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 b7b5 a4b3 f8c5"}
{"ECO":"C70","Opening":"Ruy Lopez","Variation":"Taimanov (chase/wing/accelerated counterthrust) variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 b7b5 a4b3 c6a5"}
{"ECO":"C70","Opening":"Ruy Lopez","Variation":"Schliemann defence deferred","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 f5","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 f7f5"}
{"ECO":"C71","Opening":"Ruy Lopez","Variation":"modern Steinitz defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6"}
{"ECO":"C71","Opening":"Ruy Lopez","Variation":"Noah's ark trap","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. d4 b5 6. Bb3 Nxd4 7. Nxd4 exd4 8. Qxd4 c5","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 d2d4 b7b5 a4b3 c6d4 f3d4 e5d4 d1d4 c7c5"}
{"ECO":"C71","Opening":"Ruy Lopez","Variation":"modern Steinitz defence, Three knights variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Nc3","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 b1c3"}
{"ECO":"C71","Opening":"Ruy Lopez","Variation":"modern Steinitz defence, Duras (Keres) variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c4","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 c2c4"}
{"ECO":"C72","Opening":"Ruy Lopez","Variation":"modern Steinitz defence, 5.O-O","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 e1g1"}
{"ECO":"C73","Opening":"Ruy Lopez","Variation":"modern Steinitz defence, Richter variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 a4c6 b7c6 d2d4"}
{"ECO":"C73","Opening":"Ruy Lopez","Variation":"modern Steinitz defence, Alapin variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 a4c6 b7c6 d2d4 f7f6"}
{"ECO":"C74","Opening":"Ruy Lopez","Variation":"modern Steinitz defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 c2c3"}
{"ECO":"C74","Opening":"Ruy Lopez","Variation":"modern Steinitz defence, siesta variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 f5","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 c2c3 f7f5"}
{"ECO":"C74","Opening":"Ruy Lopez","Variation":"Siesta, Kopayev variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 f5 6. exf5 Bxf5 7. O-O","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 c2c3 f7f5 e4f5 c8f5 e1g1"}
{"ECO":"C75","Opening":"Ruy Lopez","Variation":"modern Steinitz defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 c2c3 c8d7"}
{"ECO":"C75","Opening":"Ruy Lopez","Variation":"modern Steinitz defence, Rubinstein variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nge7","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 c2c3 c8d7 d2d4 g8e7"}
{"ECO":"C76","Opening":"Ruy Lopez","Variation":"modern Steinitz defence, fianchetto (Bronstein) variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 g6","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 c2c3 c8d7 d2d4 g7g6"}
{"ECO":"C77","Opening":"Ruy Lopez","Variation":"Morphy defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6","NMoves":4,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6"}
{"ECO":"C77","Opening":"Ruy Lopez","Variation":"four knights (Tarrasch) variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 b1c3"}
{"ECO":"C77","Opening":"Ruy Lopez","Variation":"Treybal (Bayreuth) variation (exchange var. deferred)","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Bxc6","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 a4c6"}
{"ECO":"C77","Opening":"Ruy Lopez","Variation":"Wormald (Alapin) attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 d1e2"}
{"ECO":"C77","Opening":"Ruy Lopez","Variation":"Wormald attack, Gruenfeld variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 d1e2 b7b5 a4b3 f8e7 d2d4 d7d6 c2c3 c8g4"}
{"ECO":"C77","Opening":"Ruy Lopez","Variation":"Anderssen variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 d2d3"}
{"ECO":"C77","Opening":"Ruy Lopez","Variation":"Morphy defence, Duras variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c4","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 d2d3 d7d6 c2c4"}
{"ECO":"C78","Opening":"Ruy Lopez","Variation":"5.O-O","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1"}
{"ECO":"C78","Opening":"Ruy Lopez","Variation":"Wing attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. a4","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 b7b5 a4b3 f8e7 a2a4"}
{"ECO":"C78","Opening":"Ruy Lopez","Variation":"...b5 & ...d6","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 d6","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 b7b5 a4b3 d7d6"}
{"ECO":"C78","Opening":"Ruy Lopez","Variation":"Rabinovich variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 d6 7. Ng5 d5 8. exd5 Nd4 9. Re1 Bc5 10. Rxe5+ Kf8","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 b7b5 a4b3 d7d6 f3g5 d6d5 e4d5 c6d4 f1e1 f8c5 e1e5 e8f8"}
{"ECO":"C78","Opening":"Ruy Lopez","Variation":"Archangelsk (counterthrust) variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 b7b5 a4b3 c8b7"}
{"ECO":"C78","Opening":"Ruy Lopez","Variation":"Moeller defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8c5"}
{"ECO":"C79","Opening":"Ruy Lopez","Variation":"Steinitz defence deferred (Russian defence)","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 d7d6"}
{"ECO":"C79","Opening":"Ruy Lopez","Variation":"Steinitz defence deferred, Lipnitsky variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Bxc6+ bxc6 7. d4 Bg4","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 d7d6 a4c6 b7c6 d2d4 c8g4"}
{"ECO":"C79","Opening":"Ruy Lopez","Variation":"Steinitz defence deferred, Rubinstein variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Bxc6+ bxc6 7. d4 Nxe4","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 d7d6 a4c6 b7c6 d2d4 f6e4"}
{"ECO":"C79","Opening":"Ruy Lopez","Variation":"Steinitz defence deferred, Boleslavsky variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Bxc6+ bxc6 7. d4 Nxe4 8. Re1 f5 9. dxe5 d5 10. Nc3","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 d7d6 a4c6 b7c6 d2d4 f6e4 f1e1 f7f5 d4e5 d6d5 b1c3"}
{"ECO":"C80","Opening":"Ruy Lopez","Variation":"open (Tarrasch) defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4"}
{"ECO":"C80","Opening":"Ruy Lopez","Variation":"open, Tartakower variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Qe2","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d1e2"}
{"ECO":"C80","Opening":"Ruy Lopez","Variation":"open, Knorre variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Nc3","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 b1c3"}
{"ECO":"C80","Opening":"Ruy Lopez","Variation":"open, 6.d4","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4"}
{"ECO":"C80","Opening":"Ruy Lopez","Variation":"open, Riga variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 exd4","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 e5d4"}
{"ECO":"C80","Opening":"Ruy Lopez","Variation":"open, 6.d4 b5","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5"}
{"ECO":"C80","Opening":"Ruy Lopez","Variation":"open, Friess attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Nxe5","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 f3e5"}
{"ECO":"C80","Opening":"Ruy Lopez","Variation":"open, Richter variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. d5","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 d4d5"}
{"ECO":"C80","Opening":"Ruy Lopez","Variation":"open, 7.Bb3","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3"}
{"ECO":"C80","Opening":"Ruy Lopez","Variation":"open, Schlechter defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. a4 Nxd4","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 a2a4 c6d4"}
{"ECO":"C80","Opening":"Ruy Lopez","Variation":"open, Berger variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. a4 Nxd4 9. Nxd4 exd4 10. Nc3","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 a2a4 c6d4 f3d4 e5d4 b1c3"}
{"ECO":"C80","Opening":"Ruy Lopez","Variation":"open, Harksen gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. c4","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 c2c4"}
{"ECO":"C80","Opening":"Ruy Lopez","Variation":"open, 8.de","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5"}
{"ECO":"C80","Opening":"Ruy Lopez","Variation":"open, Zukertort variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Ne7","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c6e7"}
{"ECO":"C80","Opening":"Ruy Lopez","Variation":"open, 8...Be6","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6"}
{"ECO":"C80","Opening":"Ruy Lopez","Variation":"open, Bernstein variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 b1d2"}
{"ECO":"C80","Opening":"Ruy Lopez","Variation":"open, Bernstein variation, Karpov gambit","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 d4 11. Ng5","NMoves":11,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 b1d2 e4c5 c2c3 d5d4 f3g5"}
{"ECO":"C81","Opening":"Ruy Lopez","Variation":"open, Howell attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 d1e2"}
{"ECO":"C81","Opening":"Ruy Lopez","Variation":"open, Howell attack, Ekstroem variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O 11. c4 bxc4 12. Bxc4 Qd7","NMoves":12,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 d1e2 f8e7 f1d1 e8g8 c2c4 b5c4 b3c4 d8d7"}
{"ECO":"C81","Opening":"Ruy Lopez","Variation":"open, Howell attack, Adam variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. c4","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 d1e2 f8e7 c2c4"}
{"ECO":"C82","Opening":"Ruy Lopez","Variation":"open, 9.c3","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3"}
{"ECO":"C82","Opening":"Ruy Lopez","Variation":"open, Berlin variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 e4c5"}
{"ECO":"C82","Opening":"Ruy Lopez","Variation":"open, Italian variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 f8c5"}
{"ECO":"C82","Opening":"Ruy Lopez","Variation":"open, St. Petersburg variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 f8c5 b1d2"}
{"ECO":"C82","Opening":"Ruy Lopez","Variation":"open, Dilworth variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O 11. Bc2 Nxf2","NMoves":11,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 f8c5 b1d2 e8g8 b3c2 e4f2"}
{"ECO":"C82","Opening":"Ruy Lopez","Variation":"open, Motzko attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Qd3","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 f8c5 d1d3"}
{"ECO":"C82","Opening":"Ruy Lopez","Variation":"open, Motzko attack, Nenarokov variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Qd3 Ne7","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 f8c5 d1d3 c6e7"}
{"ECO":"C83","Opening":"Ruy Lopez","Variation":"open, classical defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 f8e7"}
{"ECO":"C83","Opening":"Ruy Lopez","Variation":"open, Malkin variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 O-O 11. Qe2","NMoves":11,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 f8e7 b1d2 e8g8 d1e2"}
{"ECO":"C83","Opening":"Ruy Lopez","Variation":"open, 9...Be7, 10.Re1","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Re1","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 f8e7 f1e1"}
{"ECO":"C83","Opening":"Ruy Lopez","Variation":"open, Tarrasch trap","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Re1 O-O 11. Nd4 Qd7 12. Nxe6 fxe6 13. Rxe4","NMoves":13,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 f8e7 f1e1 e8g8 f3d4 d8d7 d4e6 f7e6 e1e4"}
{"ECO":"C83","Opening":"Ruy Lopez","Variation":"open, Breslau variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Re1 O-O 11. Nd4 Nxe5","NMoves":11,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 f8e7 f1e1 e8g8 f3d4 c6e5"}
{"ECO":"C84","Opening":"Ruy Lopez","Variation":"closed defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7","NMoves":5,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7"}
{"ECO":"C84","Opening":"Ruy Lopez","Variation":"closed, centre attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 d2d4"}
{"ECO":"C84","Opening":"Ruy Lopez","Variation":"closed, Basque gambit (North Spanish variation)","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 exd4 7. e5 Ne4 8. c3","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 d2d4 e5d4 e4e5 f6e4 c2c3"}
{"ECO":"C85","Opening":"Ruy Lopez","Variation":"Exchange variation doubly deferred (DERLD)","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 a4c6"}
{"ECO":"C86","Opening":"Ruy Lopez","Variation":"Worrall attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 d1e2"}
{"ECO":"C86","Opening":"Ruy Lopez","Variation":"Worrall attack, sharp line","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 d1e2 b7b5 a4b3 e8g8"}
{"ECO":"C86","Opening":"Ruy Lopez","Variation":"Worrall attack, solid line","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 d1e2 b7b5 a4b3 d7d6"}
{"ECO":"C87","Opening":"Ruy Lopez","Variation":"closed, Averbach variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6","NMoves":6,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 d7d6"}
{"ECO":"C88","Opening":"Ruy Lopez","Variation":"closed","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3"}
{"ECO":"C88","Opening":"Ruy Lopez","Variation":"closed, Leonhardt variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. h3 Nc6 12. d5 Nb8 13. Nbd2 g5","NMoves":13,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 d7d6 c2c3 c6a5 b3c2 c7c5 d2d4 d8c7 h2h3 a5c6 d4d5 c6b8 b1d2 g7g5"}
{"ECO":"C88","Opening":"Ruy Lopez","Variation":"closed, Balla variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. a4","NMoves":11,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 d7d6 c2c3 c6a5 b3c2 c7c5 d2d4 d8c7 a2a4"}
{"ECO":"C88","Opening":"Ruy Lopez","Variation":"closed, 7...d6, 8.d4","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. d4","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 d7d6 d2d4"}
{"ECO":"C88","Opening":"Ruy Lopez","Variation":"Noah's ark trap","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. d4 Nxd4 9. Nxd4 exd4 10. Qxd4 c5","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 d7d6 d2d4 c6d4 f3d4 e5d4 d1d4 c7c5"}
{"ECO":"C88","Opening":"Ruy Lopez","Variation":"Trajkovic counter-attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 Bb7","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 c8b7"}
{"ECO":"C88","Opening":"Ruy Lopez","Variation":"closed, 7...O-O","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O","NMoves":7,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8"}
{"ECO":"C88","Opening":"Ruy Lopez","Variation":"closed, anti-Marshall 8.a4","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 a2a4"}
{"ECO":"C88","Opening":"Ruy Lopez","Variation":"closed, 8.c3","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3"}
{"ECO":"C89","Opening":"Ruy Lopez","Variation":"Marshall counter-attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d5"}
{"ECO":"C89","Opening":"Ruy Lopez","Variation":"Marshall counter-attack, 11...c6","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6","NMoves":11,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d5 e4d5 f6d5 f3e5 c6e5 e1e5 c7c6"}
{"ECO":"C89","Opening":"Ruy Lopez","Variation":"Marshall, Kevitz variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. Bxd5 cxd5 13. d4 Bd6 14. Re3","NMoves":14,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d5 e4d5 f6d5 f3e5 c6e5 e1e5 c7c6 b3d5 c6d5 d2d4 e7d6 e5e3"}
{"ECO":"C89","Opening":"Ruy Lopez","Variation":"Marshall, main line, 12.d2d4","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4","NMoves":12,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d5 e4d5 f6d5 f3e5 c6e5 e1e5 c7c6 d2d4"}
{"ECO":"C89","Opening":"Ruy Lopez","Variation":"Marshall, main line, 14...Qh3","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3","NMoves":14,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d5 e4d5 f6d5 f3e5 c6e5 e1e5 c7c6 d2d4 e7d6 e5e1 d8h4 g2g3 h4h3"}
{"ECO":"C89","Opening":"Ruy Lopez","Variation":"Marshall, main line, Spassky variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Be3 Bg4 16. Qd3 Rae8 17. Nd2 Re6 18. a4 Qh5","NMoves":18,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d5 e4d5 f6d5 f3e5 c6e5 e1e5 c7c6 d2d4 e7d6 e5e1 d8h4 g2g3 h4h3 c1e3 c8g4 d1d3 a8e8 b1d2 e8e6 a2a4 h3h5"}
{"ECO":"C89","Opening":"Ruy Lopez","Variation":"Marshall, Herman Steiner variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d5 e4d5 e5e4"}
{"ECO":"C90","Opening":"Ruy Lopez","Variation":"closed (with ...d6)","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6","NMoves":8,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6"}
{"ECO":"C90","Opening":"Ruy Lopez","Variation":"closed, Pilnik variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. d3","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 d2d3"}
{"ECO":"C90","Opening":"Ruy Lopez","Variation":"closed, Lutikov variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. Bc2","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 b3c2"}
{"ECO":"C90","Opening":"Ruy Lopez","Variation":"closed, Suetin variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. a3","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 a2a3"}
{"ECO":"C91","Opening":"Ruy Lopez","Variation":"closed, 9.d4","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. d4","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 d2d4"}
{"ECO":"C91","Opening":"Ruy Lopez","Variation":"closed, Bogolyubov variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. d4 Bg4","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 d2d4 c8g4"}
{"ECO":"C92","Opening":"Ruy Lopez","Variation":"closed, 9.h3","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3"}
{"ECO":"C92","Opening":"Ruy Lopez","Variation":"closed, Keres (9...a5) variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 a5","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 a6a5"}
{"ECO":"C92","Opening":"Ruy Lopez","Variation":"closed, Kholmov variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Be6","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c8e6"}
{"ECO":"C92","Opening":"Ruy Lopez","Variation":"closed, Ragozin-Petrosian (`Keres') variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nd7","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 f6d7"}
{"ECO":"C92","Opening":"Ruy Lopez","Variation":"closed, Flohr-Zaitsev system (Lenzerheide variation)","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Bb7","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c8b7"}
{"ECO":"C93","Opening":"Ruy Lopez","Variation":"closed, Smyslov defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 h7h6"}
{"ECO":"C94","Opening":"Ruy Lopez","Variation":"closed, Breyer defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nb8","NMoves":9,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6b8"}
{"ECO":"C95","Opening":"Ruy Lopez","Variation":"closed, Breyer, 10.d4","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nb8 10. d4","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6b8 d2d4"}
{"ECO":"C95","Opening":"Ruy Lopez","Variation":"closed, Breyer, Borisenko variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nb8 10. d4 Nbd7","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6b8 d2d4 b8d7"}
{"ECO":"C95","Opening":"Ruy Lopez","Variation":"closed, Breyer, Gligoric variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 c5","NMoves":12,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6b8 d2d4 b8d7 b1d2 c8b7 b3c2 c7c5"}
{"ECO":"C95","Opening":"Ruy Lopez","Variation":"closed, Breyer, Simagin variation","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nb8 10. d4 Nbd7 11. Nh4","NMoves":11,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6b8 d2d4 b8d7 f3h4"}
{"ECO":"C96","Opening":"Ruy Lopez","Variation":"closed (8...Na5)","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6a5 b3c2"}
{"ECO":"C96","Opening":"Ruy Lopez","Variation":"closed, Rossolimo defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c6 11. d4 Qc7","NMoves":11,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6a5 b3c2 c7c6 d2d4 d8c7"}
{"ECO":"C96","Opening":"Ruy Lopez","Variation":"closed (10...c5)","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5","NMoves":10,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6a5 b3c2 c7c5"}
{"ECO":"C96","Opening":"Ruy Lopez","Variation":"closed, Borisenko defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Nc6","NMoves":11,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6a5 b3c2 c7c5 d2d4 a5c6"}
{"ECO":"C96","Opening":"Ruy Lopez","Variation":"closed, Keres (...Nd7) defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Nd7","NMoves":11,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6a5 b3c2 c7c5 d2d4 f6d7"}
{"ECO":"C97","Opening":"Ruy Lopez","Variation":"closed, Chigorin defence","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7","NMoves":11,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6a5 b3c2 c7c5 d2d4 d8c7"}
{"ECO":"C97","Opening":"Ruy Lopez","Variation":"closed, Chigorin, Yugoslav system","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bd7 13. Nf1 Rfe8 14. Ne3 g6","NMoves":14,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6a5 b3c2 c7c5 d2d4 d8c7 b1d2 c8d7 d2f1 f8e8 f1e3 g7g6"}
{"ECO":"C98","Opening":"Ruy Lopez","Variation":"closed, Chigorin, 12...Nc6","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6","NMoves":12,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6a5 b3c2 c7c5 d2d4 d8c7 b1d2 a5c6"}
{"ECO":"C98","Opening":"Ruy Lopez","Variation":"closed, Chigorin, Rauzer attack","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. dxc5","NMoves":13,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6a5 b3c2 c7c5 d2d4 d8c7 b1d2 a5c6 d4c5"}
{"ECO":"C99","Opening":"Ruy Lopez","Variation":"closed, Chigorin, 12...c5d4","Movetext":"1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4","NMoves":13,"LAN":"e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6a5 b3c2 c7c5 d2d4 d8c7 b1d2 c5d4 c3d4"}
{"ECO":"D00","Opening":"Queen's pawn game","Movetext":"1. d4 d5","NMoves":1,"LAN":"d2d4 d7d5"}
{"ECO":"D00","Opening":"Queen's pawn, Mason variation","Movetext":"1. d4 d5 2. Bf4","NMoves":2,"LAN":"d2d4 d7d5 c1f4"}
{"ECO":"D00","Opening":"Queen's pawn, Mason variation, Steinitz counter-gambit","Movetext":"1. d4 d5 2. Bf4 c5","NMoves":2,"LAN":"d2d4 d7d5 c1f4 c7c5"}
{"ECO":"D00","Opening":"Levitsky attack (Queen's bishop attack)","Movetext":"1. d4 d5 2. Bg5","NMoves":2,"LAN":"d2d4 d7d5 c1g5"}
{"ECO":"D00","Opening":"Blackmar gambit","Movetext":"1. d4 d5 2. e4","NMoves":2,"LAN":"d2d4 d7d5 e2e4"}
{"ECO":"D00","Opening":"Queen's pawn","Variation":"stonewall attack","Movetext":"1. d4 d5 2. e3 Nf6 3. Bd3","NMoves":3,"LAN":"d2d4 d7d5 e2e3 g8f6 f1d3"}
{"ECO":"D00","Opening":"Queen's pawn","Variation":"Chigorin variation","Movetext":"1. d4 d5 2. Nc3","NMoves":2,"LAN":"d2d4 d7d5 b1c3"}
{"ECO":"D00","Opening":"Queen's pawn","Variation":"Anti-Veresov","Movetext":"1. d4 d5 2. Nc3 Bg4","NMoves":2,"LAN":"d2d4 d7d5 b1c3 c8g4"}
{"ECO":"D00","Opening":"Blackmar-Diemer gambit","Movetext":"1. d4 d5 2. Nc3 Nf6 3. e4","NMoves":3,"LAN":"d2d4 d7d5 b1c3 g8f6 e2e4"}
{"ECO":"D00","Opening":"Blackmar-Diemer","Variation":"Euwe defence","Movetext":"1. d4 d5 2. Nc3 Nf6 3. e4 dxe4 4. f3 exf3 5. Nxf3 e6","NMoves":5,"LAN":"d2d4 d7d5 b1c3 g8f6 e2e4 d5e4 f2f3 e4f3 g1f3 e7e6"}
{"ECO":"D00","Opening":"Blackmar-Diemer","Variation":"Lemberg counter-gambit","Movetext":"1. d4 d5 2. Nc3 Nf6 3. e4 e5","NMoves":3,"LAN":"d2d4 d7d5 b1c3 g8f6 e2e4 e7e5"}
{"ECO":"D01","Opening":"Richter-Veresov attack","Movetext":"1. d4 d5 2. Nc3 Nf6 3. Bg5","NMoves":3,"LAN":"d2d4 d7d5 b1c3 g8f6 c1g5"}
{"ECO":"D01","Opening":"Richter-Veresov attack, Veresov variation","Movetext":"1. d4 d5 2. Nc3 Nf6 3. Bg5 Bf5 4. Bxf6","NMoves":4,"LAN":"d2d4 d7d5 b1c3 g8f6 c1g5 c8f5 g5f6"}
{"ECO":"D01","Opening":"Richter-Veresov attack, Richter variation","Movetext":"1. d4 d5 2. Nc3 Nf6 3. Bg5 Bf5 4. f3","NMoves":4,"LAN":"d2d4 d7d5 b1c3 g8f6 c1g5 c8f5 f2f3"}
{"ECO":"D02","Opening":"Queen's pawn game","Movetext":"1. d4 d5 2. Nf3","NMoves":2,"LAN":"d2d4 d7d5 g1f3"}
{"ECO":"D02","Opening":"Queen's pawn game, Chigorin variation","Movetext":"1. d4 d5 2. Nf3 Nc6","NMoves":2,"LAN":"d2d4 d7d5 g1f3 b8c6"}
{"ECO":"D02","Opening":"Queen's pawn game, Krause variation","Movetext":"1. d4 d5 2. Nf3 c5","NMoves":2,"LAN":"d2d4 d7d5 g1f3 c7c5"}
{"ECO":"D02","Opening":"Queen's pawn game","Movetext":"1. d4 d5 2. Nf3 Nf6","NMoves":2,"LAN":"d2d4 d7d5 g1f3 g8f6"}
{"ECO":"D02","Opening":"Queen's bishop game","Movetext":"1. d4 d5 2. Nf3 Nf6 3. Bf4","NMoves":3,"LAN":"d2d4 d7d5 g1f3 g8f6 c1f4"}
{"ECO":"D03","Opening":"Torre attack (Tartakower variation)","Movetext":"1. d4 d5 2. Nf3 Nf6 3. Bg5","NMoves":3,"LAN":"d2d4 d7d5 g1f3 g8f6 c1g5"}
{"ECO":"D04","Opening":"Queen's pawn game","Movetext":"1. d4 d5 2. Nf3 Nf6 3. e3","NMoves":3,"LAN":"d2d4 d7d5 g1f3 g8f6 e2e3"}
{"ECO":"D05","Opening":"Queen's pawn game","Movetext":"1. d4 d5 2. Nf3 Nf6 3. e3 e6","NMoves":3,"LAN":"d2d4 d7d5 g1f3 g8f6 e2e3 e7e6"}
{"ECO":"D05","Opening":"Queen's pawn game, Zukertort variation","Movetext":"1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Nbd2 c5 5. b3","NMoves":5,"LAN":"d2d4 d7d5 g1f3 g8f6 e2e3 e7e6 b1d2 c7c5 b2b3"}
{"ECO":"D05","Opening":"Queen's pawn game","Movetext":"1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3","NMoves":4,"LAN":"d2d4 d7d5 g1f3 g8f6 e2e3 e7e6 f1d3"}
{"ECO":"D05","Opening":"Queen's pawn game, Rubinstein (Colle-Zukertort) variation","Movetext":"1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. b3","NMoves":5,"LAN":"d2d4 d7d5 g1f3 g8f6 e2e3 e7e6 f1d3 c7c5 b2b3"}
{"ECO":"D05","Opening":"Colle system","Movetext":"1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3","NMoves":5,"LAN":"d2d4 d7d5 g1f3 g8f6 e2e3 e7e6 f1d3 c7c5 c2c3"}
{"ECO":"D06","Opening":"Queen's Gambit","Movetext":"1. d4 d5 2. c4","NMoves":2,"LAN":"d2d4 d7d5 c2c4"}
{"ECO":"D06","Opening":"QGD","Variation":"Grau (Sahovic) defence","Movetext":"1. d4 d5 2. c4 Bf5","NMoves":2,"LAN":"d2d4 d7d5 c2c4 c8f5"}
{"ECO":"D06","Opening":"QGD","Variation":"Marshall defence","Movetext":"1. d4 d5 2. c4 Nf6","NMoves":2,"LAN":"d2d4 d7d5 c2c4 g8f6"}
{"ECO":"D06","Opening":"QGD","Variation":"symmetrical (Austrian) defence","Movetext":"1. d4 d5 2. c4 c5","NMoves":2,"LAN":"d2d4 d7d5 c2c4 c7c5"}
{"ECO":"D07","Opening":"QGD","Variation":"Chigorin defence","Movetext":"1. d4 d5 2. c4 Nc6","NMoves":2,"LAN":"d2d4 d7d5 c2c4 b8c6"}
{"ECO":"D07","Opening":"QGD","Variation":"Chigorin defence, Janowski variation","Movetext":"1. d4 d5 2. c4 Nc6 3. Nc3 dxc4 4. Nf3","NMoves":4,"LAN":"d2d4 d7d5 c2c4 b8c6 b1c3 d5c4 g1f3"}
{"ECO":"D08","Opening":"QGD","Variation":"Albin counter-gambit","Movetext":"1. d4 d5 2. c4 e5","NMoves":2,"LAN":"d2d4 d7d5 c2c4 e7e5"}
{"ECO":"D08","Opening":"QGD","Variation":"Albin counter-gambit, Lasker trap","Movetext":"1. d4 d5 2. c4 e5 3. dxe5 d4 4. e3 Bb4+ 5. Bd2 dxe3","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e5 d4e5 d5d4 e2e3 f8b4 c1d2 d4e3"}
{"ECO":"D08","Opening":"QGD","Variation":"Albin counter-gambit","Movetext":"1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3","NMoves":4,"LAN":"d2d4 d7d5 c2c4 e7e5 d4e5 d5d4 g1f3"}
{"ECO":"D08","Opening":"QGD","Variation":"Albin counter-gambit, Alapin variation","Movetext":"1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e5 d4e5 d5d4 g1f3 b8c6 b1d2"}
{"ECO":"D08","Opening":"QGD","Variation":"Albin counter-gambit, Krenosz variation","Movetext":"1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2 Bg4 6. h3 Bxf3 7. Nxf3 Bb4+ 8. Bd2 Qe7","NMoves":8,"LAN":"d2d4 d7d5 c2c4 e7e5 d4e5 d5d4 g1f3 b8c6 b1d2 c8g4 h2h3 g4f3 d2f3 f8b4 c1d2 d8e7"}
{"ECO":"D08","Opening":"QGD","Variation":"Albin counter-gambit, Janowski variation","Movetext":"1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2 f6","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e5 d4e5 d5d4 g1f3 b8c6 b1d2 f7f6"}
{"ECO":"D08","Opening":"QGD","Variation":"Albin counter-gambit, Balogh variation","Movetext":"1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2 Qe7","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e5 d4e5 d5d4 g1f3 b8c6 b1d2 d8e7"}
{"ECO":"D09","Opening":"QGD","Variation":"Albin counter-gambit, 5.g3","Movetext":"1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e5 d4e5 d5d4 g1f3 b8c6 g2g3"}
{"ECO":"D10","Opening":"QGD Slav defence","Movetext":"1. d4 d5 2. c4 c6","NMoves":2,"LAN":"d2d4 d7d5 c2c4 c7c6"}
{"ECO":"D10","Opening":"QGD Slav defence, Alekhine variation","Movetext":"1. d4 d5 2. c4 c6 3. Nc3 dxc4 4. e4","NMoves":4,"LAN":"d2d4 d7d5 c2c4 c7c6 b1c3 d5c4 e2e4"}
{"ECO":"D10","Opening":"QGD Slav","Variation":"Winawer counter-gambit","Movetext":"1. d4 d5 2. c4 c6 3. Nc3 e5","NMoves":3,"LAN":"d2d4 d7d5 c2c4 c7c6 b1c3 e7e5"}
{"ECO":"D10","Opening":"QGD Slav defence","Variation":"exchange variation","Movetext":"1. d4 d5 2. c4 c6 3. cxd5","NMoves":3,"LAN":"d2d4 d7d5 c2c4 c7c6 c4d5"}
{"ECO":"D11","Opening":"QGD Slav","Variation":"3.Nf3","Movetext":"1. d4 d5 2. c4 c6 3. Nf3","NMoves":3,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3"}
{"ECO":"D11","Opening":"QGD Slav","Variation":"Breyer variation","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nbd2","NMoves":4,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1d2"}
{"ECO":"D11","Opening":"QGD Slav","Variation":"4.e3","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3","NMoves":4,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 e2e3"}
{"ECO":"D12","Opening":"QGD Slav","Variation":"4.e3 Bf5","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5","NMoves":4,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 e2e3 c8f5"}
{"ECO":"D12","Opening":"QGD Slav","Variation":"Landau variation","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. cxd5 cxd5 6. Qb3 Qc8 7. Bd2 e6 8. Na3","NMoves":8,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 e2e3 c8f5 c4d5 c6d5 d1b3 d8c8 c1d2 e7e6 b1a3"}
{"ECO":"D12","Opening":"QGD Slav","Variation":"exchange variation","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. cxd5 cxd5 6. Nc3","NMoves":6,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 e2e3 c8f5 c4d5 c6d5 b1c3"}
{"ECO":"D12","Opening":"QGD Slav","Variation":"Amsterdam variation","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. cxd5 cxd5 6. Nc3 e6 7. Ne5 Nfd7","NMoves":7,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 e2e3 c8f5 c4d5 c6d5 b1c3 e7e6 f3e5 f6d7"}
{"ECO":"D13","Opening":"QGD Slav","Variation":"exchange variation","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5","NMoves":4,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 c4d5 c6d5"}
{"ECO":"D14","Opening":"QGD Slav","Variation":"exchange variation, 6.Bf4 Bf5","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5","NMoves":6,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 c4d5 c6d5 b1c3 b8c6 c1f4 c8f5"}
{"ECO":"D14","Opening":"QGD Slav","Variation":"exchange, Trifunovic variation","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Qb3 Bb4","NMoves":8,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 c4d5 c6d5 b1c3 b8c6 c1f4 c8f5 e2e3 e7e6 d1b3 f8b4"}
{"ECO":"D15","Opening":"QGD Slav","Variation":"4.Nc3","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3","NMoves":4,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3"}
{"ECO":"D15","Opening":"QGD Slav","Variation":"Suechting variation","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Qb6","NMoves":4,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d8b6"}
{"ECO":"D15","Opening":"QGD Slav","Variation":"Schlechter variation","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6","NMoves":4,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 g7g6"}
{"ECO":"D15","Opening":"QGD Slav accepted","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4","NMoves":4,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4"}
{"ECO":"D15","Opening":"QGD Slav","Variation":"5.e3 (Alekhine variation)","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e3","NMoves":5,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 e2e3"}
{"ECO":"D15","Opening":"QGD Slav","Variation":"Slav gambit","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4","NMoves":5,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 e2e4"}
{"ECO":"D15","Opening":"QGD Slav","Variation":"Tolush-Geller gambit","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 b5 6. e5","NMoves":6,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 e2e4 b7b5 e4e5"}
{"ECO":"D16","Opening":"QGD Slav accepted","Variation":"Alapin variation","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4","NMoves":5,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4"}
{"ECO":"D16","Opening":"QGD Slav","Variation":"Smyslov variation","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Na6 6. e4 Bg4","NMoves":6,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 b8a6 e2e4 c8g4"}
{"ECO":"D16","Opening":"QGD Slav","Variation":"Soultanbeieff variation","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 e6","NMoves":5,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 e7e6"}
{"ECO":"D16","Opening":"QGD Slav","Variation":"Steiner variation","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4","NMoves":5,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8g4"}
{"ECO":"D17","Opening":"QGD Slav","Variation":"Czech defence","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5","NMoves":5,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5"}
{"ECO":"D17","Opening":"QGD Slav","Variation":"Krause attack","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5","NMoves":6,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5 f3e5"}
{"ECO":"D17","Opening":"QGD Slav","Variation":"Carlsbad variation","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5","NMoves":8,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5 f3e5 b8d7 e5c4 d8c7 g2g3 e7e5"}
{"ECO":"D17","Opening":"QGD Slav","Variation":"Wiesbaden variation","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6","NMoves":6,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5 f3e5 e7e6"}
{"ECO":"D18","Opening":"QGD Slav","Variation":"Dutch variation","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3","NMoves":6,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5 e2e3"}
{"ECO":"D18","Opening":"QGD Slav","Variation":"Dutch, Lasker variation","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6","NMoves":6,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5 e2e3 b8a6"}
{"ECO":"D19","Opening":"QGD Slav","Variation":"Dutch variation","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O","NMoves":8,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5 e2e3 e7e6 f1c4 f8b4 e1g1"}
{"ECO":"D19","Opening":"QGD Slav","Variation":"Dutch variation, main line","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Qe2","NMoves":9,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5 e2e3 e7e6 f1c4 f8b4 e1g1 e8g8 d1e2"}
{"ECO":"D19","Opening":"QGD Slav","Variation":"Dutch, Saemisch variation","Movetext":"1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Qe2 Ne4 10. g4","NMoves":10,"LAN":"d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5 e2e3 e7e6 f1c4 f8b4 e1g1 e8g8 d1e2 f6e4 g2g4"}
{"ECO":"D20","Opening":"Queen's gambit accepted","Movetext":"1. d4 d5 2. c4 dxc4","NMoves":2,"LAN":"d2d4 d7d5 c2c4 d5c4"}
{"ECO":"D20","Opening":"QGA","Variation":"3.e4","Movetext":"1. d4 d5 2. c4 dxc4 3. e4","NMoves":3,"LAN":"d2d4 d7d5 c2c4 d5c4 e2e4"}
{"ECO":"D20","Opening":"QGA","Variation":"Linares variation","Movetext":"1. d4 d5 2. c4 dxc4 3. e4 c5 4. d5 Nf6 5. Nc3 b5","NMoves":5,"LAN":"d2d4 d7d5 c2c4 d5c4 e2e4 c7c5 d4d5 g8f6 b1c3 b7b5"}
{"ECO":"D20","Opening":"QGA","Variation":"Schwartz defence","Movetext":"1. d4 d5 2. c4 dxc4 3. e4 f5","NMoves":3,"LAN":"d2d4 d7d5 c2c4 d5c4 e2e4 f7f5"}
{"ECO":"D21","Opening":"QGA","Variation":"3.Nf3","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3","NMoves":3,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3"}
{"ECO":"D21","Opening":"QGA","Variation":"Ericson variation","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 b5","NMoves":3,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 b7b5"}
{"ECO":"D21","Opening":"QGA","Variation":"Alekhine defense, Borisenko-Furman variation","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e4","NMoves":4,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 a7a6 e2e4"}
{"ECO":"D22","Opening":"QGA","Variation":"Alekhine defence","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 a6","NMoves":3,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 a7a6"}
{"ECO":"D22","Opening":"QGA","Variation":"Alekhine defence, Alatortsev variation","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Bg4 5. Bxc4 e6 6. d5","NMoves":6,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 a7a6 e2e3 c8g4 f1c4 e7e6 d4d5"}
{"ECO":"D22","Opening":"QGA","Variation":"Haberditz variation","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 b5","NMoves":4,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 a7a6 e2e3 b7b5"}
{"ECO":"D23","Opening":"Queen's gambit accepted","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 Nf6","NMoves":3,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 g8f6"}
{"ECO":"D23","Opening":"QGA","Variation":"Mannheim variation","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Qa4+","NMoves":4,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 d1a4"}
{"ECO":"D24","Opening":"QGA, 4.Nc3","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3","NMoves":4,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 b1c3"}
{"ECO":"D24","Opening":"QGA, Bogolyubov variation","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 a6 5. e4","NMoves":5,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 b1c3 a7a6 e2e4"}
{"ECO":"D25","Opening":"QGA, 4.e3","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3","NMoves":4,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3"}
{"ECO":"D25","Opening":"QGA, Smyslov variation","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 g6","NMoves":4,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 g7g6"}
{"ECO":"D25","Opening":"QGA, Janowsky-Larsen variation","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4","NMoves":4,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 c8g4"}
{"ECO":"D25","Opening":"QGA, Flohr variation","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Be6","NMoves":4,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 c8e6"}
{"ECO":"D26","Opening":"QGA","Variation":"4...e6","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6","NMoves":4,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6"}
{"ECO":"D26","Opening":"QGA","Variation":"classical variation","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5","NMoves":5,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5"}
{"ECO":"D26","Opening":"QGA","Variation":"classical, Furman variation","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. Qe2 a6 7. dxc5 Bxc5 8. O-O Nc6 9. e4 b5 10. e5","NMoves":10,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 d1e2 a7a6 d4c5 f8c5 e1g1 b8c6 e3e4 b7b5 e4e5"}
{"ECO":"D26","Opening":"QGA","Variation":"classical variation, 6.O-O","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O","NMoves":6,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1"}
{"ECO":"D26","Opening":"QGA","Variation":"classical, Steinitz variation","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O cxd4","NMoves":6,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 c5d4"}
{"ECO":"D27","Opening":"QGA","Variation":"classical, 6...a6","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6","NMoves":6,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 a7a6"}
{"ECO":"D27","Opening":"QGA","Variation":"classical, Rubinstein variation","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. a4","NMoves":7,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 a7a6 a2a4"}
{"ECO":"D27","Opening":"QGA","Variation":"classical, Geller variation","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. e4","NMoves":7,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 a7a6 e3e4"}
{"ECO":"D28","Opening":"QGA","Variation":"classical, 7.Qe2","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2","NMoves":7,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 a7a6 d1e2"}
{"ECO":"D28","Opening":"QGA","Variation":"classical, 7...b5","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5","NMoves":7,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 a7a6 d1e2 b7b5"}
{"ECO":"D28","Opening":"QGA","Variation":"classical, Flohr variation","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bb3 Nc6 9. Rd1 c4 10. Bc2 Nb4 11. Nc3 Nxc2 12. Qxc2 Bb7 13. d5 Qc7","NMoves":13,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 a7a6 d1e2 b7b5 c4b3 b8c6 f1d1 c5c4 b3c2 c6b4 b1c3 b4c2 e2c2 c8b7 d4d5 d8c7"}
{"ECO":"D29","Opening":"QGA","Variation":"classical, 8...Bb7","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bb3 Bb7","NMoves":8,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 a7a6 d1e2 b7b5 c4b3 c8b7"}
{"ECO":"D29","Opening":"QGA","Variation":"classical, Smyslov variation","Movetext":"1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bb3 Bb7 9. Rd1 Nbd7 10. Nc3 Bd6","NMoves":10,"LAN":"d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 a7a6 d1e2 b7b5 c4b3 c8b7 f1d1 b8d7 b1c3 f8d6"}
{"ECO":"D30","Opening":"Queen's gambit declined","Movetext":"1. d4 d5 2. c4 e6","NMoves":2,"LAN":"d2d4 d7d5 c2c4 e7e6"}
{"ECO":"D30","Opening":"QGD Slav","Movetext":"1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c6 5. Nbd2","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 e2e3 c7c6 b1d2"}
{"ECO":"D30","Opening":"QGD","Variation":"Stonewall variation","Movetext":"1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c6 5. Nbd2 Ne4 6. Bd3 f5","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 e2e3 c7c6 b1d2 f6e4 f1d3 f7f5"}
{"ECO":"D30","Opening":"QGD Slav","Movetext":"1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c6 5. Nbd2 Nbd7","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 e2e3 c7c6 b1d2 b8d7"}
{"ECO":"D30","Opening":"QGD Slav","Variation":"Semmering variation","Movetext":"1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c6 5. Nbd2 Nbd7 6. Bd3 c5","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 e2e3 c7c6 b1d2 b8d7 f1d3 c6c5"}
{"ECO":"D30","Opening":"QGD","Variation":"Spielmann variation","Movetext":"1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c6 5. Nbd2 g6","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 e2e3 c7c6 b1d2 g7g6"}
{"ECO":"D30","Opening":"QGD","Movetext":"1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5","NMoves":4,"LAN":"d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 c1g5"}
{"ECO":"D30","Opening":"QGD","Variation":"Capablanca variation","Movetext":"1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nbd2","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 c1g5 b8d7 e2e3 c7c6 b1d2"}
{"ECO":"D30","Opening":"QGD","Variation":"Vienna variation","Movetext":"1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Bb4+","NMoves":4,"LAN":"d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 c1g5 f8b4"}
{"ECO":"D30","Opening":"QGD","Variation":"Capablanca-Duras variation","Movetext":"1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 h6","NMoves":4,"LAN":"d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 c1g5 h7h6"}
{"ECO":"D30","Opening":"QGD","Variation":"Hastings variation","Movetext":"1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 h6 5. Bxf6 Qxf6 6. Nc3 c6 7. Qb3","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 c1g5 h7h6 g5f6 d8f6 b1c3 c7c6 d1b3"}
{"ECO":"D31","Opening":"QGD","Variation":"3.Nc3","Movetext":"1. d4 d5 2. c4 e6 3. Nc3","NMoves":3,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3"}
{"ECO":"D31","Opening":"QGD","Variation":"Janowski variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 a6","NMoves":3,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 a7a6"}
{"ECO":"D31","Opening":"QGD","Variation":"Alapin variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 b6","NMoves":3,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 b7b6"}
{"ECO":"D31","Opening":"QGD","Variation":"Charousek (Petrosian) variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Be7","NMoves":3,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 f8e7"}
{"ECO":"D31","Opening":"QGD","Variation":"semi-Slav","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c6","NMoves":3,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c6"}
{"ECO":"D31","Opening":"QGD","Variation":"semi-Slav, Noteboom variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4","NMoves":4,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c6 g1f3 d5c4"}
{"ECO":"D31","Opening":"QGD","Variation":"semi-Slav, Koomen variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 Qe7","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c6 g1f3 d5c4 a2a4 f8b4 e2e3 b7b5 c1d2 d8e7"}
{"ECO":"D31","Opening":"QGD","Variation":"semi-Slav, Junge variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 Qb6","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c6 g1f3 d5c4 a2a4 f8b4 e2e3 b7b5 c1d2 d8b6"}
{"ECO":"D31","Opening":"QGD","Variation":"semi-Slav, Abrahams variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c6 g1f3 d5c4 a2a4 f8b4 e2e3 b7b5 c1d2 a7a5"}
{"ECO":"D31","Opening":"QGD","Variation":"semi-Slav, Marshall gambit","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4","NMoves":4,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c6 e2e4"}
{"ECO":"D32","Opening":"QGD","Variation":"Tarrasch defence","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c5","NMoves":3,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c5"}
{"ECO":"D32","Opening":"QGD","Variation":"Tarrasch, von Hennig-Schara gambit","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 cxd4","NMoves":4,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 c5d4"}
{"ECO":"D32","Opening":"QGD","Variation":"Tarrasch defence, 4.cd ed","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5","NMoves":4,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5"}
{"ECO":"D32","Opening":"QGD","Variation":"Tarrasch defence, Tarrasch gambit","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. dxc5 d4 6. Na4 b5","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 d4c5 d5d4 c3a4 b7b5"}
{"ECO":"D32","Opening":"QGD","Variation":"Tarrasch defence, Marshall gambit","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. e4","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 e2e4"}
{"ECO":"D32","Opening":"QGD","Variation":"Tarrasch defence","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3"}
{"ECO":"D33","Opening":"QGD","Variation":"Tarrasch, Schlechter-Rubinstein system","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3"}
{"ECO":"D33","Opening":"QGD","Variation":"Tarrasch, Folkestone (Swedish) variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 c4","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3 c5c4"}
{"ECO":"D33","Opening":"QGD","Variation":"Tarrasch, Schlechter-Rubinstein system, Rey Ardid variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 c4 7. e4","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3 c5c4 e2e4"}
{"ECO":"D33","Opening":"QGD","Variation":"Tarrasch, Prague variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3 g8f6"}
{"ECO":"D33","Opening":"QGD","Variation":"Tarrasch, Wagner variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Bg4","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3 g8f6 f1g2 c8g4"}
{"ECO":"D34","Opening":"QGD","Variation":"Tarrasch, Prague variation, 7...Be7","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3 g8f6 f1g2 f8e7"}
{"ECO":"D34","Opening":"QGD","Variation":"Tarrasch, Prague variation, Normal position","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O","NMoves":8,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3 g8f6 f1g2 f8e7 e1g1 e8g8"}
{"ECO":"D34","Opening":"QGD","Variation":"Tarrasch, Reti variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 Bxc5 10. Na4","NMoves":10,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3 g8f6 f1g2 f8e7 e1g1 e8g8 d4c5 e7c5 c3a4"}
{"ECO":"D34","Opening":"QGD","Variation":"Tarrasch, Prague variation, 9.Bg5","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Bg5","NMoves":9,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3 g8f6 f1g2 f8e7 e1g1 e8g8 c1g5"}
{"ECO":"D34","Opening":"QGD","Variation":"Tarrasch, Bogolyubov variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Bg5 Be6 10. Rc1 c4","NMoves":10,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3 g8f6 f1g2 f8e7 e1g1 e8g8 c1g5 c8e6 a1c1 c5c4"}
{"ECO":"D34","Opening":"QGD","Variation":"Tarrasch, Stoltz variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Bg5 Be6 10. Rc1 b6","NMoves":10,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3 g8f6 f1g2 f8e7 e1g1 e8g8 c1g5 c8e6 a1c1 b7b6"}
{"ECO":"D35","Opening":"QGD","Variation":"3...Nf6","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6","NMoves":3,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6"}
{"ECO":"D35","Opening":"QGD","Variation":"Harrwitz attack","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bf4","NMoves":4,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1f4"}
{"ECO":"D35","Opening":"QGD","Variation":"exchange variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5","NMoves":4,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c4d5"}
{"ECO":"D35","Opening":"QGD","Variation":"exchange, Saemisch variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Nf3 Nbd7 6. Bf4","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c4d5 e6d5 g1f3 b8d7 c1f4"}
{"ECO":"D35","Opening":"QGD","Variation":"exchange, positional line","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c4d5 e6d5 c1g5"}
{"ECO":"D35","Opening":"QGD","Variation":"exchange, chameleon variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 Nbd7 8. Qc2 Re8 9. Nge2 Nf8 10. O-O-O","NMoves":10,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c4d5 e6d5 c1g5 f8e7 e2e3 e8g8 f1d3 b8d7 d1c2 f8e8 g1e2 d7f8 e1c1"}
{"ECO":"D35","Opening":"QGD","Variation":"exchange, positional line, 5...c6","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c4d5 e6d5 c1g5 c7c6"}
{"ECO":"D36","Opening":"QGD","Variation":"exchange, positional line, 6.Qc2","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c4d5 e6d5 c1g5 c7c6 d1c2"}
{"ECO":"D37","Opening":"QGD","Variation":"4.Nf3","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3","NMoves":4,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3"}
{"ECO":"D37","Opening":"QGD","Variation":"classical variation (5.Bf4)","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 f8e7 c1f4"}
{"ECO":"D38","Opening":"QGD","Variation":"Ragozin variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Bb4","NMoves":4,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 f8b4"}
{"ECO":"D39","Opening":"QGD","Variation":"Ragozin, Vienna variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Bb4 5. Bg5 dxc4","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 f8b4 c1g5 d5c4"}
{"ECO":"D40","Opening":"QGD","Variation":"Semi-Tarrasch defence","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5","NMoves":4,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c5"}
{"ECO":"D40","Opening":"QGD","Variation":"Semi-Tarrasch, symmetrical variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. Bd3 Bd6 7. O-O O-O","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c5 e2e3 b8c6 f1d3 f8d6 e1g1 e8g8"}
{"ECO":"D40","Opening":"QGD","Variation":"Semi-Tarrasch, Levenfish variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. Qe2 Qe7 9. dxc5 Bxc5 10. e4","NMoves":10,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c5 e2e3 b8c6 f1d3 f8d6 e1g1 e8g8 d1e2 d8e7 d4c5 d6c5 e3e4"}
{"ECO":"D40","Opening":"QGD","Variation":"Semi-Tarrasch defence, Pillsbury variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. Bg5","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c5 c1g5"}
{"ECO":"D41","Opening":"QGD","Variation":"Semi-Tarrasch, 5.cd","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c5 c4d5"}
{"ECO":"D41","Opening":"QGD","Variation":"Semi-Tarrasch, Kmoch variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bb5","NMoves":11,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c5 c4d5 f6d5 e2e4 d5c3 b2c3 c5d4 c3d4 f8b4 c1d2 b4d2 d1d2 e8g8 f1b5"}
{"ECO":"D41","Opening":"QGD","Variation":"Semi-Tarrasch, San Sebastian variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Qa5","NMoves":9,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c5 c4d5 f6d5 e2e4 d5c3 b2c3 c5d4 c3d4 f8b4 c1d2 d8a5"}
{"ECO":"D41","Opening":"QGD","Variation":"Semi-Tarrasch with e3","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e3","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c5 c4d5 f6d5 e2e3"}
{"ECO":"D42","Opening":"QGD","Variation":"Semi-Tarrasch, 7.Bd3","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bd3","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c5 c4d5 f6d5 e2e3 b8c6 f1d3"}
{"ECO":"D43","Opening":"QGD semi-Slav","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6","NMoves":4,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6"}
{"ECO":"D43","Opening":"QGD semi-Slav","Variation":"Hastings variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 h6 6. Bxf6 Qxf6 7. Qb3","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 c1g5 h7h6 g5f6 d8f6 d1b3"}
{"ECO":"D44","Opening":"QGD semi-Slav","Variation":"5.Bg5 dc","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 dxc4","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 c1g5 d5c4"}
{"ECO":"D44","Opening":"QGD semi-Slav","Variation":"Botvinnik system (anti-Meran)","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 dxc4 6. e4","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 c1g5 d5c4 e2e4"}
{"ECO":"D44","Opening":"QGD semi-Slav","Variation":"Ekstrom variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. exf6 gxh4 10. Ne5","NMoves":10,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 c1g5 d5c4 e2e4 b7b5 e4e5 h7h6 g5h4 g7g5 e5f6 g5h4 f3e5"}
{"ECO":"D44","Opening":"QGD semi-Slav","Variation":"anti-Meran gambit","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5","NMoves":9,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 c1g5 d5c4 e2e4 b7b5 e4e5 h7h6 g5h4 g7g5 f3g5"}
{"ECO":"D44","Opening":"QGD semi-Slav","Variation":"anti-Meran, Lilienthal variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3","NMoves":11,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 c1g5 d5c4 e2e4 b7b5 e4e5 h7h6 g5h4 g7g5 f3g5 h6g5 h4g5 b8d7 g2g3"}
{"ECO":"D44","Opening":"QGD semi-Slav","Variation":"anti-Meran, Szabo variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. Qf3","NMoves":11,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 c1g5 d5c4 e2e4 b7b5 e4e5 h7h6 g5h4 g7g5 f3g5 h6g5 h4g5 b8d7 d1f3"}
{"ECO":"D44","Opening":"QGD semi-Slav","Variation":"anti-Meran, Alatortsev system","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5","NMoves":9,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 c1g5 d5c4 e2e4 b7b5 e4e5 h7h6 g5h4 g7g5 f3g5 f6d5"}
{"ECO":"D45","Opening":"QGD semi-Slav","Variation":"5.e3","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3"}
{"ECO":"D45","Opening":"QGD semi-Slav","Variation":"stonewall defence","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Ne4 6. Bd3 f5","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 f6e4 f1d3 f7f5"}
{"ECO":"D45","Opening":"QGD semi-Slav","Variation":"accelerated Meran (Alekhine variation)","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 a6","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 a7a6"}
{"ECO":"D45","Opening":"QGD semi-Slav","Variation":"5...Nd7","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7"}
{"ECO":"D45","Opening":"QGD semi-Slav","Variation":"Stoltz variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Qc2","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 d1c2"}
{"ECO":"D45","Opening":"QGD semi-Slav","Variation":"Rubinstein (anti-Meran) system","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Ne5","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f3e5"}
{"ECO":"D46","Opening":"QGD semi-Slav","Variation":"6.Bd3","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3"}
{"ECO":"D46","Opening":"QGD semi-Slav","Variation":"Bogolyubov variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 Be7","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 f8e7"}
{"ECO":"D46","Opening":"QGD semi-Slav","Variation":"Romih variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 Bb4","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 f8b4"}
{"ECO":"D46","Opening":"QGD semi-Slav","Variation":"Chigorin defence","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 Bd6","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 f8d6"}
{"ECO":"D47","Opening":"QGD semi-Slav","Variation":"7.Bc4","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4"}
{"ECO":"D47","Opening":"QGD semi-Slav","Variation":"Meran variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5"}
{"ECO":"D47","Opening":"QGD semi-Slav","Variation":"neo-Meran (Lundin variation)","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 b4","NMoves":8,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 b5b4"}
{"ECO":"D47","Opening":"QGD semi-Slav","Variation":"Meran, Wade variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7","NMoves":8,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 c8b7"}
{"ECO":"D48","Opening":"QGD semi-Slav","Variation":"Meran, 8...a6","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6","NMoves":8,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6"}
{"ECO":"D48","Opening":"QGD semi-Slav","Variation":"Meran, Pirc variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 b4","NMoves":9,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6 e3e4 b5b4"}
{"ECO":"D48","Opening":"QGD semi-Slav","Variation":"Meran","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5","NMoves":9,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6 e3e4 c6c5"}
{"ECO":"D48","Opening":"QGD semi-Slav","Variation":"Meran, Reynolds' variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. d5","NMoves":10,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6 e3e4 c6c5 d4d5"}
{"ECO":"D48","Opening":"QGD semi-Slav","Variation":"Meran, old main line","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5","NMoves":10,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6 e3e4 c6c5 e4e5"}
{"ECO":"D49","Opening":"QGD semi-Slav","Variation":"Meran, Blumenfeld variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5","NMoves":11,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6 e3e4 c6c5 e4e5 c5d4 c3b5"}
{"ECO":"D49","Opening":"QGD semi-Slav","Variation":"Meran, Rabinovich variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Ng4","NMoves":11,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6 e3e4 c6c5 e4e5 c5d4 c3b5 f6g4"}
{"ECO":"D49","Opening":"QGD semi-Slav","Variation":"Meran, Sozin variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Nxe5","NMoves":11,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6 e3e4 c6c5 e4e5 c5d4 c3b5 d7e5"}
{"ECO":"D49","Opening":"QGD semi-Slav","Variation":"Meran, Stahlberg variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Nxe5 12. Nxe5 axb5 13. Qf3","NMoves":13,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6 e3e4 c6c5 e4e5 c5d4 c3b5 d7e5 f3e5 a6b5 d1f3"}
{"ECO":"D49","Opening":"QGD semi-Slav","Variation":"Meran, Sozin variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Nxe5 12. Nxe5 axb5 13. O-O","NMoves":13,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6 e3e4 c6c5 e4e5 c5d4 c3b5 d7e5 f3e5 a6b5 e1g1"}
{"ECO":"D49","Opening":"QGD semi-Slav","Variation":"Meran, Rellstab attack","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Nxe5 12. Nxe5 axb5 13. O-O Qd5 14. Qe2 Ba6 15. Bg5","NMoves":15,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6 e3e4 c6c5 e4e5 c5d4 c3b5 d7e5 f3e5 a6b5 e1g1 d8d5 d1e2 c8a6 c1g5"}
{"ECO":"D50","Opening":"QGD","Variation":"4.Bg5","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5","NMoves":4,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5"}
{"ECO":"D50","Opening":"QGD","Variation":"Been-Koomen variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5","NMoves":4,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 c7c5"}
{"ECO":"D50","Opening":"QGD","Variation":"Semi-Tarrasch, Krause variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. Nf3 cxd4 6. Nxd4 e5 7. Ndb5 a6 8. Qa4","NMoves":8,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 c7c5 g1f3 c5d4 f3d4 e6e5 d4b5 a7a6 d1a4"}
{"ECO":"D50","Opening":"QGD","Variation":"Semi-Tarrasch, Primitive Pillsbury variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. Nf3 cxd4 6. Qxd4","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 c7c5 g1f3 c5d4 d1d4"}
{"ECO":"D50","Opening":"QGD","Variation":"Semi-Tarrasch","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. cxd5","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 c7c5 c4d5"}
{"ECO":"D50","Opening":"QGD","Variation":"Canal (Venice) variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. cxd5 Qb6","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 c7c5 c4d5 d8b6"}
{"ECO":"D51","Opening":"QGD","Variation":"4.Bg5 Nbd7","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7","NMoves":4,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7"}
{"ECO":"D51","Opening":"QGD","Variation":"Rochlin variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. Rc1 Qa5 7. Bd2","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 g1f3 c7c6 a1c1 d8a5 g5d2"}
{"ECO":"D51","Opening":"QGD","Variation":"Alekhine variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. e4","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 g1f3 c7c6 e2e4"}
{"ECO":"D51","Opening":"QGD","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3"}
{"ECO":"D51","Opening":"QGD","Variation":"Manhattan variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Bb4","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 f8b4"}
{"ECO":"D51","Opening":"QGD","Variation":"5...c6","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 c7c6"}
{"ECO":"D51","Opening":"QGD","Variation":"Capablanca anti-Cambridge Springs variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. a3","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 c7c6 a2a3"}
{"ECO":"D52","Opening":"QGD","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 c7c6 g1f3"}
{"ECO":"D52","Opening":"QGD","Variation":"Cambridge Springs defence","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 c7c6 g1f3 d8a5"}
{"ECO":"D52","Opening":"QGD","Variation":"Cambridge Springs defence, Bogoljubow variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 Bb4 8. Qc2","NMoves":8,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 c7c6 g1f3 d8a5 f3d2 f8b4 d1c2"}
{"ECO":"D52","Opening":"QGD","Variation":"Cambridge Springs defence, Argentine variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Bh4","NMoves":9,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 c7c6 g1f3 d8a5 f3d2 f8b4 d1c2 e8g8 g5h4"}
{"ECO":"D52","Opening":"QGD","Variation":"Cambridge Springs defence, Rubinstein variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 dxc4","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 c7c6 g1f3 d8a5 f3d2 d5c4"}
{"ECO":"D52","Opening":"QGD","Variation":"Cambridge Springs defence, Capablanca variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Bxf6","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 c7c6 g1f3 d8a5 g5f6"}
{"ECO":"D52","Opening":"QGD","Variation":"Cambridge Springs defence, 7.cd","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. cxd5","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 c7c6 g1f3 d8a5 c4d5"}
{"ECO":"D52","Opening":"QGD","Variation":"Cambridge Springs defence, Yugoslav variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. cxd5 Nxd5","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 c7c6 g1f3 d8a5 c4d5 f6d5"}
{"ECO":"D53","Opening":"QGD","Variation":"4.Bg5 Be7","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7","NMoves":4,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7"}
{"ECO":"D53","Opening":"QGD","Variation":"Lasker variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Ne4","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 f6e4"}
{"ECO":"D53","Opening":"QGD","Variation":"4.Bg5 Be7, 5.e3 O-O","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O","NMoves":5,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8"}
{"ECO":"D54","Opening":"QGD","Variation":"Anti-neo-orthodox variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Rc1","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 a1c1"}
{"ECO":"D55","Opening":"QGD","Variation":"6.Nf3","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3"}
{"ECO":"D55","Opening":"QGD","Variation":"Pillsbury attack","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 b6 7. Bd3 Bb7 8. cxd5 exd5 9. Ne5","NMoves":9,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b7b6 f1d3 c8b7 c4d5 e6d5 f3e5"}
{"ECO":"D55","Opening":"QGD","Variation":"Neo-orthodox variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6"}
{"ECO":"D55","Opening":"QGD","Variation":"Neo-orthodox variation, 7.Bxf6","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bxf6","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5f6"}
{"ECO":"D55","Opening":"QGD","Variation":"Petrosian variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bxf6 Bxf6 8. Rc1 c6 9. Bd3 Nd7 10. O-O dxc4 11. Bxc4","NMoves":11,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5f6 e7f6 a1c1 c7c6 f1d3 b8d7 e1g1 d5c4 d3c4"}
{"ECO":"D55","Opening":"QGD","Variation":"Neo-orthodox variation, 7.Bh4","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4"}
{"ECO":"D56","Opening":"QGD","Variation":"Lasker defence","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4 f6e4"}
{"ECO":"D56","Opening":"QGD","Variation":"Lasker defence, Teichmann variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2","NMoves":9,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4 f6e4 h4e7 d8e7 d1c2"}
{"ECO":"D56","Opening":"QGD","Variation":"Lasker defence, Russian variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 Nf6 10. Bd3 dxc4 11. Bxc4 c5 12. O-O Nc6 13. Rfd1 Bd7","NMoves":13,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4 f6e4 h4e7 d8e7 d1c2 e4f6 f1d3 d5c4 d3c4 c7c5 e1g1 b8c6 f1d1 c8d7"}
{"ECO":"D57","Opening":"QGD","Variation":"Lasker defence, main line","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3","NMoves":10,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4 f6e4 h4e7 d8e7 c4d5 e4c3 b2c3"}
{"ECO":"D57","Opening":"QGD","Variation":"Lasker defence, Bernstein variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3 exd5 11. Qb3 Qd6","NMoves":11,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4 f6e4 h4e7 d8e7 c4d5 e4c3 b2c3 e6d5 d1b3 e7d6"}
{"ECO":"D58","Opening":"QGD","Variation":"Tartakower (Makagonov-Bondarevsky) system","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 b6","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4 b7b6"}
{"ECO":"D59","Opening":"QGD","Variation":"Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd5","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 b6 8. cxd5 Nxd5","NMoves":8,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4 b7b6 c4d5 f6d5"}
{"ECO":"D59","Opening":"QGD","Variation":"Tartakower variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Rc1 Be6","NMoves":11,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4 b7b6 c4d5 f6d5 h4e7 d8e7 c3d5 e6d5 a1c1 c8e6"}
{"ECO":"D60","Opening":"QGD","Variation":"Orthodox defence","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7","NMoves":6,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7"}
{"ECO":"D60","Opening":"QGD","Variation":"Orthodox defence, Botvinnik variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Bd3","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 f1d3"}
{"ECO":"D60","Opening":"QGD","Variation":"Orthodox defence, Rauzer variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Qb3","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 d1b3"}
{"ECO":"D61","Opening":"QGD","Variation":"Orthodox defence, Rubinstein variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Qc2","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 d1c2"}
{"ECO":"D62","Opening":"QGD","Variation":"Orthodox defence, 7.Qc2 c5, 8.cd (Rubinstein)","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Qc2 c5 8. cxd5","NMoves":8,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 d1c2 c7c5 c4d5"}
{"ECO":"D63","Opening":"QGD","Variation":"Orthodox defence, 7.Rc1","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1"}
{"ECO":"D63","Opening":"QGD","Variation":"Orthodox defence, Pillsbury attack","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 b6 8. cxd5 exd5 9. Bd3","NMoves":9,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 b7b6 c4d5 e6d5 f1d3"}
{"ECO":"D63","Opening":"QGD","Variation":"Orthodox defence, Capablanca variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 b6 8. cxd5 exd5 9. Bb5","NMoves":9,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 b7b6 c4d5 e6d5 f1b5"}
{"ECO":"D63","Opening":"QGD","Variation":"Orthodox defence, Swiss (Henneberger) variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 a6","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 a7a6"}
{"ECO":"D63","Opening":"QGD","Variation":"Orthodox defence, Swiss, Karlsbad variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 a6 8. cxd5","NMoves":8,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 a7a6 c4d5"}
{"ECO":"D63","Opening":"QGD","Variation":"Orthodox defence","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6","NMoves":7,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6"}
{"ECO":"D64","Opening":"QGD","Variation":"Orthodox defence, Rubinstein attack (with Rc1)","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Qc2","NMoves":8,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 d1c2"}
{"ECO":"D64","Opening":"QGD","Variation":"Orthodox defence, Rubinstein attack, Wolf variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Qc2 Ne4","NMoves":8,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 d1c2 f6e4"}
{"ECO":"D64","Opening":"QGD","Variation":"Orthodox defence, Rubinstein attack, Karlsbad variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Qc2 a6","NMoves":8,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 d1c2 a7a6"}
{"ECO":"D64","Opening":"QGD","Variation":"Orthodox defence, Rubinstein attack, Gruenfeld variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Qc2 a6 9. a3","NMoves":9,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 d1c2 a7a6 a2a3"}
{"ECO":"D65","Opening":"QGD","Variation":"Orthodox defence, Rubinstein attack, main line","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Qc2 a6 9. cxd5","NMoves":9,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 d1c2 a7a6 c4d5"}
{"ECO":"D66","Opening":"QGD","Variation":"Orthodox defence, Bd3 line","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3","NMoves":8,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3"}
{"ECO":"D66","Opening":"QGD","Variation":"Orthodox defence, Bd3 line, fianchetto variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 b5","NMoves":9,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3 d5c4 d3c4 b7b5"}
{"ECO":"D67","Opening":"QGD","Variation":"Orthodox defence, Bd3 line, Capablanca freeing manoevre","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5","NMoves":9,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3 d5c4 d3c4 f6d5"}
{"ECO":"D67","Opening":"QGD","Variation":"Orthodox defence, Bd3 line, Janowski variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. h4","NMoves":10,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3 d5c4 d3c4 f6d5 h2h4"}
{"ECO":"D67","Opening":"QGD","Variation":"Orthodox defence, Bd3 line","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7","NMoves":10,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3 d5c4 d3c4 f6d5 g5e7 d8e7"}
{"ECO":"D67","Opening":"QGD","Variation":"Orthodox defence, Bd3 line, Alekhine variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. Ne4","NMoves":11,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3 d5c4 d3c4 f6d5 g5e7 d8e7 c3e4"}
{"ECO":"D67","Opening":"QGD","Variation":"Orthodox defence, Bd3 line, 11.O-O","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O","NMoves":11,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3 d5c4 d3c4 f6d5 g5e7 d8e7 e1g1"}
{"ECO":"D68","Opening":"QGD","Variation":"Orthodox defence, classical variation","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5","NMoves":12,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3 d5c4 d3c4 f6d5 g5e7 d8e7 e1g1 d5c3 c1c3 e6e5"}
{"ECO":"D68","Opening":"QGD","Variation":"Orthodox defence, classical, 13.d1b1 (Maroczy)","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. Qb1","NMoves":13,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3 d5c4 d3c4 f6d5 g5e7 d8e7 e1g1 d5c3 c1c3 e6e5 d1b1"}
{"ECO":"D68","Opening":"QGD","Variation":"Orthodox defence, classical, 13.d1c2 (Vidmar)","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. Qc2","NMoves":13,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3 d5c4 d3c4 f6d5 g5e7 d8e7 e1g1 d5c3 c1c3 e6e5 d1c2"}
{"ECO":"D69","Opening":"QGD","Variation":"Orthodox defence, classical, 13.de","Movetext":"1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5","NMoves":14,"LAN":"d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3 d5c4 d3c4 f6d5 g5e7 d8e7 e1g1 d5c3 c1c3 e6e5 d4e5 d7e5 f3e5 e7e5"}
{"ECO":"D70","Opening":"Neo-Gruenfeld defence","Movetext":"1. d4 Nf6 2. c4 g6 3. f3 d5","NMoves":3,"LAN":"d2d4 g8f6 c2c4 g7g6 f2f3 d7d5"}
{"ECO":"D70","Opening":"Neo-Gruenfeld (Kemeri) defence","Movetext":"1. d4 Nf6 2. c4 g6 3. g3 d5","NMoves":3,"LAN":"d2d4 g8f6 c2c4 g7g6 g2g3 d7d5"}
{"ECO":"D71","Opening":"Neo-Gruenfeld, 5.cd","Movetext":"1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. cxd5 Nxd5","NMoves":5,"LAN":"d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 c4d5 f6d5"}
{"ECO":"D72","Opening":"Neo-Gruenfeld, 5.cd, main line","Movetext":"1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. cxd5 Nxd5 6. e4 Nb6 7. Ne2","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 c4d5 f6d5 e2e4 d5b6 g1e2"}
{"ECO":"D73","Opening":"Neo-Gruenfeld, 5.Nf3","Movetext":"1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3","NMoves":5,"LAN":"d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3"}
{"ECO":"D74","Opening":"Neo-Gruenfeld, 6.cd Nxd5, 7.O-O","Movetext":"1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3 O-O 6. cxd5 Nxd5 7. O-O","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3 e8g8 c4d5 f6d5 e1g1"}
{"ECO":"D75","Opening":"Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc3","Movetext":"1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3 O-O 6. cxd5 Nxd5 7. O-O c5 8. Nc3","NMoves":8,"LAN":"d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3 e8g8 c4d5 f6d5 e1g1 c7c5 b1c3"}
{"ECO":"D75","Opening":"Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.dc","Movetext":"1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3 O-O 6. cxd5 Nxd5 7. O-O c5 8. dxc5","NMoves":8,"LAN":"d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3 e8g8 c4d5 f6d5 e1g1 c7c5 d4c5"}
{"ECO":"D76","Opening":"Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb6","Movetext":"1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3 O-O 6. cxd5 Nxd5 7. O-O Nb6","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3 e8g8 c4d5 f6d5 e1g1 d5b6"}
{"ECO":"D77","Opening":"Neo-Gruenfeld, 6.O-O","Movetext":"1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3 O-O 6. O-O","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3 e8g8 e1g1"}
{"ECO":"D78","Opening":"Neo-Gruenfeld, 6.O-O c6","Movetext":"1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3 O-O 6. O-O c6","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3 e8g8 e1g1 c7c6"}
{"ECO":"D79","Opening":"Neo-Gruenfeld, 6.O-O, main line","Movetext":"1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf3 O-O 6. O-O c6 7. cxd5 cxd5","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3 e8g8 e1g1 c7c6 c4d5 c6d5"}
{"ECO":"D80","Opening":"Gruenfeld defence","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5","NMoves":3,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5"}
{"ECO":"D80","Opening":"Gruenfeld","Variation":"Spike gambit","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. g4","NMoves":4,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g2g4"}
{"ECO":"D80","Opening":"Gruenfeld","Variation":"Stockholm variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5","NMoves":4,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c1g5"}
{"ECO":"D80","Opening":"Gruenfeld","Variation":"Lundin variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Nxe4 dxe4 6. Qd2 c5","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c1g5 f6e4 c3e4 d5e4 d1d2 c7c5"}
{"ECO":"D81","Opening":"Gruenfeld","Variation":"Russian variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3","NMoves":4,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 d1b3"}
{"ECO":"D82","Opening":"Gruenfeld","Variation":"4.Bf4","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4","NMoves":4,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c1f4"}
{"ECO":"D83","Opening":"Gruenfeld","Variation":"Gruenfeld gambit","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O","NMoves":5,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c1f4 f8g7 e2e3 e8g8"}
{"ECO":"D83","Opening":"Gruenfeld","Variation":"Gruenfeld gambit, Capablanca variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Rc1","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c1f4 f8g7 e2e3 e8g8 a1c1"}
{"ECO":"D83","Opening":"Gruenfeld","Variation":"Gruenfeld gambit, Botvinnik variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Rc1 c5 7. dxc5 Be6","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c1f4 f8g7 e2e3 e8g8 a1c1 c7c5 d4c5 c8e6"}
{"ECO":"D84","Opening":"Gruenfeld","Variation":"Gruenfeld gambit accepted","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. Bxc7","NMoves":8,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c1f4 f8g7 e2e3 e8g8 c4d5 f6d5 c3d5 d8d5 f4c7"}
{"ECO":"D85","Opening":"Gruenfeld","Variation":"exchange variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5","NMoves":4,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5"}
{"ECO":"D85","Opening":"Gruenfeld","Variation":"modern exchange variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 g1f3"}
{"ECO":"D86","Opening":"Gruenfeld","Variation":"exchange, classical variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4"}
{"ECO":"D86","Opening":"Gruenfeld","Variation":"exchange, Larsen variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Qd7 9. O-O b6","NMoves":9,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4 e8g8 g1e2 d8d7 e1g1 b7b6"}
{"ECO":"D86","Opening":"Gruenfeld","Variation":"exchange, Simagin's lesser variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 b6","NMoves":8,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4 e8g8 g1e2 b7b6"}
{"ECO":"D86","Opening":"Gruenfeld","Variation":"exchange, Simagin's improved variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6","NMoves":8,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4 e8g8 g1e2 b8c6"}
{"ECO":"D87","Opening":"Gruenfeld","Variation":"exchange, Spassky variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 c5","NMoves":8,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4 e8g8 g1e2 c7c5"}
{"ECO":"D87","Opening":"Gruenfeld","Variation":"exchange, Seville variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 c5 9. O-O Nc6 10. Be3 Bg4 11. f3 Na5 12. Bxf7+","NMoves":12,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4 e8g8 g1e2 c7c5 e1g1 b8c6 c1e3 c8g4 f2f3 c6a5 c4f7"}
{"ECO":"D88","Opening":"Gruenfeld","Variation":"Spassky variation, main line, 10...cd, 11.cd","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 c5 9. O-O Nc6 10. Be3 cxd4 11. cxd4","NMoves":11,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4 e8g8 g1e2 c7c5 e1g1 b8c6 c1e3 c5d4 c3d4"}
{"ECO":"D89","Opening":"Gruenfeld","Variation":"Spassky variation, main line, 13.Bd3","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 c5 9. O-O Nc6 10. Be3 cxd4 11. cxd4 Bg4 12. f3 Na5 13. Bd3 Be6","NMoves":13,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4 e8g8 g1e2 c7c5 e1g1 b8c6 c1e3 c5d4 c3d4 c8g4 f2f3 c6a5 c4d3 g4e6"}
{"ECO":"D89","Opening":"Gruenfeld","Variation":"exchange, Sokolsky variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 c5 9. O-O Nc6 10. Be3 cxd4 11. cxd4 Bg4 12. f3 Na5 13. Bd3 Be6 14. d5","NMoves":14,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4 e8g8 g1e2 c7c5 e1g1 b8c6 c1e3 c5d4 c3d4 c8g4 f2f3 c6a5 c4d3 g4e6 d4d5"}
{"ECO":"D90","Opening":"Gruenfeld","Variation":"Three knights variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3","NMoves":4,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3"}
{"ECO":"D90","Opening":"Gruenfeld","Variation":"Schlechter variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 c6","NMoves":4,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 c7c6"}
{"ECO":"D90","Opening":"Gruenfeld","Variation":"Three knights variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7","NMoves":4,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7"}
{"ECO":"D90","Opening":"Gruenfeld","Variation":"Flohr variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+","NMoves":5,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1a4"}
{"ECO":"D91","Opening":"Gruenfeld","Variation":"5.Bg5","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5","NMoves":5,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 c1g5"}
{"ECO":"D92","Opening":"Gruenfeld","Variation":"5.Bf4","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4","NMoves":5,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 c1f4"}
{"ECO":"D93","Opening":"Gruenfeld with Bf4    e3","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 O-O 6. e3","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 c1f4 e8g8 e2e3"}
{"ECO":"D94","Opening":"Gruenfeld","Variation":"5.e3","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3","NMoves":5,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 e2e3"}
{"ECO":"D94","Opening":"Gruenfeld","Variation":"Makogonov variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. b4","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 e2e3 e8g8 b2b4"}
{"ECO":"D94","Opening":"Gruenfeld","Variation":"Opovcensky variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Bd2","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 e2e3 e8g8 c1d2"}
{"ECO":"D94","Opening":"Gruenfeld with e3    Bd3","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Bd3","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 e2e3 e8g8 f1d3"}
{"ECO":"D94","Opening":"Gruenfeld","Variation":"Smyslov defence","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Bd3 c6 7. O-O Bg4","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 e2e3 e8g8 f1d3 c7c6 e1g1 c8g4"}
{"ECO":"D94","Opening":"Gruenfeld","Variation":"Flohr defence","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Bd3 c6 7. O-O Bf5","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 e2e3 e8g8 f1d3 c7c6 e1g1 c8f5"}
{"ECO":"D95","Opening":"Gruenfeld with e3 & Qb3","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 e2e3 e8g8 d1b3"}
{"ECO":"D95","Opening":"Gruenfeld","Variation":"Botvinnik variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3 e6","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 e2e3 e8g8 d1b3 e7e6"}
{"ECO":"D95","Opening":"Gruenfeld","Variation":"Pachman variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3 dxc4 7. Bxc4 Nbd7 8. Ng5","NMoves":8,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 e2e3 e8g8 d1b3 d5c4 f1c4 b8d7 f3g5"}
{"ECO":"D96","Opening":"Gruenfeld","Variation":"Russian variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3","NMoves":5,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3"}
{"ECO":"D97","Opening":"Gruenfeld","Variation":"Russian variation with e4","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3 d5c4 b3c4 e8g8 e2e4"}
{"ECO":"D97","Opening":"Gruenfeld","Variation":"Russian, Alekhine (Hungarian) variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 a6","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3 d5c4 b3c4 e8g8 e2e4 a7a6"}
{"ECO":"D97","Opening":"Gruenfeld","Variation":"Russian, Szabo (Boleslavsky) variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3 d5c4 b3c4 e8g8 e2e4 c7c6"}
{"ECO":"D97","Opening":"Gruenfeld","Variation":"Russian, Levenfish variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 b6","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3 d5c4 b3c4 e8g8 e2e4 b7b6"}
{"ECO":"D97","Opening":"Gruenfeld","Variation":"Russian, Byrne (Simagin) variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Nc6","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3 d5c4 b3c4 e8g8 e2e4 b8c6"}
{"ECO":"D97","Opening":"Gruenfeld","Variation":"Russian, Prins variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Na6","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3 d5c4 b3c4 e8g8 e2e4 b8a6"}
{"ECO":"D98","Opening":"Gruenfeld","Variation":"Russian, Smyslov variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3 d5c4 b3c4 e8g8 e2e4 c8g4"}
{"ECO":"D98","Opening":"Gruenfeld","Variation":"Russian, Keres variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7 9. Be2 Nb6 10. Qd3 Nc6 11. O-O-O","NMoves":11,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3 d5c4 b3c4 e8g8 e2e4 c8g4 c1e3 f6d7 f1e2 d7b6 c4d3 b8c6 e1c1"}
{"ECO":"D99","Opening":"Gruenfeld defence","Variation":"Smyslov, main line","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7 9. Qb3","NMoves":9,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3 d5c4 b3c4 e8g8 e2e4 c8g4 c1e3 f6d7 c4b3"}
{"ECO":"D99","Opening":"Gruenfeld defence","Variation":"Smyslov, Yugoslav variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7 9. Qb3 c5","NMoves":9,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3 d5c4 b3c4 e8g8 e2e4 c8g4 c1e3 f6d7 c4b3 c7c5"}
{"ECO":"E00","Opening":"Queen's pawn game","Movetext":"1. d4 Nf6 2. c4 e6","NMoves":2,"LAN":"d2d4 g8f6 c2c4 e7e6"}
{"ECO":"E00","Opening":"Neo-Indian (Seirawan) attack","Movetext":"1. d4 Nf6 2. c4 e6 3. Bg5","NMoves":3,"LAN":"d2d4 g8f6 c2c4 e7e6 c1g5"}
{"ECO":"E00","Opening":"Catalan opening","Movetext":"1. d4 Nf6 2. c4 e6 3. g3","NMoves":3,"LAN":"d2d4 g8f6 c2c4 e7e6 g2g3"}
{"ECO":"E01","Opening":"Catalan","Variation":"closed","Movetext":"1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2"}
{"ECO":"E02","Opening":"Catalan","Variation":"open, 5.Qa4","Movetext":"1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 d5c4 d1a4"}
{"ECO":"E03","Opening":"Catalan","Variation":"open, Alekhine variation","Movetext":"1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2","NMoves":7,"LAN":"d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 d5c4 d1a4 b8d7 a4c4 a7a6 c4c2"}
{"ECO":"E03","Opening":"Catalan","Variation":"open, 5.Qa4 Nbd7, 6.Qxc4","Movetext":"1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4","NMoves":6,"LAN":"d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 d5c4 d1a4 b8d7 a4c4"}
{"ECO":"E04","Opening":"Catalan","Variation":"open, 5.Nf3","Movetext":"1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 d5c4 g1f3"}
{"ECO":"E05","Opening":"Catalan","Variation":"open, classical line","Movetext":"1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Be7","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 d5c4 g1f3 f8e7"}
{"ECO":"E06","Opening":"Catalan","Variation":"closed, 5.Nf3","Movetext":"1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 f8e7 g1f3"}
{"ECO":"E07","Opening":"Catalan","Variation":"closed, 6...Nbd7","Movetext":"1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7","NMoves":6,"LAN":"d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 f8e7 g1f3 e8g8 e1g1 b8d7"}
{"ECO":"E07","Opening":"Catalan","Variation":"closed, Botvinnik variation","Movetext":"1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Nc3 c6 8. Qd3","NMoves":8,"LAN":"d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 f8e7 g1f3 e8g8 e1g1 b8d7 b1c3 c7c6 d1d3"}
{"ECO":"E08","Opening":"Catalan","Variation":"closed, 7.Qc2","Movetext":"1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2","NMoves":7,"LAN":"d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 f8e7 g1f3 e8g8 e1g1 b8d7 d1c2"}
{"ECO":"E08","Opening":"Catalan","Variation":"closed, Zagoryansky variation","Movetext":"1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 c6 8. Rd1 b6 9. a4","NMoves":9,"LAN":"d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 f8e7 g1f3 e8g8 e1g1 b8d7 d1c2 c7c6 f1d1 b7b6 a2a4"}
{"ECO":"E08","Opening":"Catalan","Variation":"closed, Qc2 & b3","Movetext":"1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 c6 8. b3","NMoves":8,"LAN":"d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 f8e7 g1f3 e8g8 e1g1 b8d7 d1c2 c7c6 b2b3"}
{"ECO":"E08","Opening":"Catalan","Variation":"closed, Spassky gambit","Movetext":"1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 c6 8. b3 b6 9. Rd1 Bb7 10. Nc3 b5","NMoves":10,"LAN":"d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 f8e7 g1f3 e8g8 e1g1 b8d7 d1c2 c7c6 b2b3 b7b6 f1d1 c8b7 b1c3 b6b5"}
{"ECO":"E09","Opening":"Catalan","Variation":"closed, main line","Movetext":"1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 c6 8. Nbd2","NMoves":8,"LAN":"d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 f8e7 g1f3 e8g8 e1g1 b8d7 d1c2 c7c6 b1d2"}
{"ECO":"E09","Opening":"Catalan","Variation":"closed, Sokolsky variation","Movetext":"1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 c6 8. Nbd2 b6 9. b3 a5 10. Bb2 Ba6","NMoves":10,"LAN":"d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 f8e7 g1f3 e8g8 e1g1 b8d7 d1c2 c7c6 b1d2 b7b6 b2b3 a7a5 c1b2 c8a6"}
{"ECO":"E10","Opening":"Queen's pawn game","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3","NMoves":3,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3"}
{"ECO":"E10","Opening":"Blumenfeld counter-gambit","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 c7c5 d4d5 b7b5"}
{"ECO":"E10","Opening":"Blumenfeld counter-gambit accepted","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. dxe6 fxe6 6. cxb5 d5","NMoves":6,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 c7c5 d4d5 b7b5 d5e6 f7e6 c4b5 d7d5"}
{"ECO":"E10","Opening":"Blumenfeld counter-gambit, Dus-Chotimursky variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. Bg5","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 c7c5 d4d5 b7b5 c1g5"}
{"ECO":"E10","Opening":"Blumenfeld counter-gambit, Spielmann variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. Bg5 exd5 6. cxd5 h6","NMoves":6,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 c7c5 d4d5 b7b5 c1g5 e6d5 c4d5 h7h6"}
{"ECO":"E10","Opening":"Dzindzikhashvili defence","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 a6","NMoves":3,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 a7a6"}
{"ECO":"E10","Opening":"Doery defence","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 Ne4","NMoves":3,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 f6e4"}
{"ECO":"E11","Opening":"Bogo-Indian defence","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+","NMoves":3,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 f8b4"}
{"ECO":"E11","Opening":"Bogo-Indian defence, Gruenfeld variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 f8b4 b1d2"}
{"ECO":"E11","Opening":"Bogo-Indian defence, Nimzovich variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 f8b4 c1d2 d8e7"}
{"ECO":"E11","Opening":"Bogo-Indian defence, Monticelli trap","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 b6 6. g3 Bb7 7. Bg2 O-O 8. Nc3 Ne4 9. Qc2 Nxc3 10. Ng5","NMoves":10,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 f8b4 c1d2 b4d2 d1d2 b7b6 g2g3 c8b7 f1g2 e8g8 b1c3 f6e4 d2c2 e4c3 f3g5"}
{"ECO":"E12","Opening":"Queen's Indian defence","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6","NMoves":3,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6"}
{"ECO":"E12","Opening":"Queen's Indian","Variation":"Miles variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bf4","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 c1f4"}
{"ECO":"E12","Opening":"Queen's Indian","Variation":"Petrosian system","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 a2a3"}
{"ECO":"E12","Opening":"Queen's Indian","Variation":"4.Nc3","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 b1c3"}
{"ECO":"E12","Opening":"Queen's Indian","Variation":"4.Nc3, Botvinnik variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 g5 7. Bg3 Nh5","NMoves":7,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 b1c3 c8b7 c1g5 h7h6 g5h4 g7g5 h4g3 f6h5"}
{"ECO":"E13","Opening":"Queen's Indian","Variation":"4.Nc3, main line","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Bb4","NMoves":6,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 b1c3 c8b7 c1g5 h7h6 g5h4 f8b4"}
{"ECO":"E14","Opening":"Queen's Indian","Variation":"4.e3","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 e2e3"}
{"ECO":"E14","Opening":"Queen's Indian","Variation":"Averbakh variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 c5 6. O-O Be7 7. b3 O-O 8. Bb2 cxd4 9. Nxd4","NMoves":9,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 e2e3 c8b7 f1d3 c7c5 e1g1 f8e7 b2b3 e8g8 c1b2 c5d4 f3d4"}
{"ECO":"E15","Opening":"Queen's Indian","Variation":"4.g3","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3"}
{"ECO":"E15","Opening":"Queen's Indian","Variation":"Nimzovich variation (exaggerated fianchetto)","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8a6"}
{"ECO":"E15","Opening":"Queen's Indian","Variation":"4.g3 Bb7","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7"}
{"ECO":"E15","Opening":"Queen's Indian","Variation":"Rubinstein variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 c5 6. d5 exd5 7. Nh4","NMoves":7,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 c7c5 d4d5 e6d5 f3h4"}
{"ECO":"E15","Opening":"Queen's Indian","Variation":"Buerger variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 c5 6. d5 exd5 7. Ng5","NMoves":7,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 c7c5 d4d5 e6d5 f3g5"}
{"ECO":"E16","Opening":"Queen's Indian","Variation":"Capablanca variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8b4"}
{"ECO":"E16","Opening":"Queen's Indian","Variation":"Yates variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 a5","NMoves":6,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8b4 c1d2 a7a5"}
{"ECO":"E16","Opening":"Queen's Indian","Variation":"Riumin variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Be7","NMoves":6,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8b4 c1d2 b4e7"}
{"ECO":"E17","Opening":"Queen's Indian","Variation":"5.Bg2 Be7","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8e7"}
{"ECO":"E17","Opening":"Queen's Indian","Variation":"anti-Queen's Indian system","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3","NMoves":6,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8e7 b1c3"}
{"ECO":"E17","Opening":"Queen's Indian","Variation":"Opovcensky variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Bd2","NMoves":7,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8e7 b1c3 f6e4 c1d2"}
{"ECO":"E17","Opening":"Queen's Indian","Variation":"old main line, 6.O-O","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O","NMoves":6,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8e7 e1g1"}
{"ECO":"E17","Opening":"Queen's Indian","Variation":"Euwe variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3","NMoves":7,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8e7 e1g1 e8g8 b2b3"}
{"ECO":"E18","Opening":"Queen's Indian","Variation":"old main line, 7.Nc3","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3","NMoves":7,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8e7 e1g1 e8g8 b1c3"}
{"ECO":"E19","Opening":"Queen's Indian","Variation":"old main line, 9.Qxc3","Movetext":"1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3","NMoves":9,"LAN":"d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8e7 e1g1 e8g8 b1c3 f6e4 d1c2 e4c3 c2c3"}
{"ECO":"E20","Opening":"Nimzo-Indian defence","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4","NMoves":3,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4"}
{"ECO":"E20","Opening":"Nimzo-Indian","Variation":"Kmoch variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 f2f3"}
{"ECO":"E20","Opening":"Nimzo-Indian","Variation":"Mikenas attack","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qd3","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1d3"}
{"ECO":"E20","Opening":"Nimzo-Indian","Variation":"Romanishin-Kasparov (Steiner) system","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 g2g3"}
{"ECO":"E21","Opening":"Nimzo-Indian","Variation":"three knights variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 g1f3"}
{"ECO":"E21","Opening":"Nimzo-Indian","Variation":"three knights, Korchnoi variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 g1f3 c7c5 d4d5"}
{"ECO":"E21","Opening":"Nimzo-Indian","Variation":"three knights, Euwe variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5 Ne4","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 g1f3 c7c5 d4d5 f6e4"}
{"ECO":"E22","Opening":"Nimzo-Indian","Variation":"Spielmann variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1b3"}
{"ECO":"E23","Opening":"Nimzo-Indian","Variation":"Spielmann, 4...c5, 5.dc Nc6","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1b3 c7c5 d4c5 b8c6"}
{"ECO":"E23","Opening":"Nimzo-Indian","Variation":"Spielmann, Karlsbad variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2","NMoves":7,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1b3 c7c5 d4c5 b8c6 g1f3 f6e4 c1d2 e4d2"}
{"ECO":"E23","Opening":"Nimzo-Indian","Variation":"Spielmann, San Remo variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxc5","NMoves":7,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1b3 c7c5 d4c5 b8c6 g1f3 f6e4 c1d2 e4c5"}
{"ECO":"E23","Opening":"Nimzo-Indian","Variation":"Spielmann, Staahlberg variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxc5 8. Qc2 f5 9. g3","NMoves":9,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1b3 c7c5 d4c5 b8c6 g1f3 f6e4 c1d2 e4c5 b3c2 f7f5 g2g3"}
{"ECO":"E24","Opening":"Nimzo-Indian","Variation":"Saemisch variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3 b2c3"}
{"ECO":"E24","Opening":"Nimzo-Indian","Variation":"Saemisch, Botvinnik variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. e3 O-O 8. cxd5 Nxd5","NMoves":8,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3 b2c3 c7c5 f2f3 d7d5 e2e3 e8g8 c4d5 f6d5"}
{"ECO":"E25","Opening":"Nimzo-Indian","Variation":"Saemisch variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5","NMoves":7,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3 b2c3 c7c5 f2f3 d7d5 c4d5"}
{"ECO":"E25","Opening":"Nimzo-Indian","Variation":"Saemisch, Keres variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5 Nxd5 8. dxc5","NMoves":8,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3 b2c3 c7c5 f2f3 d7d5 c4d5 f6d5 d4c5"}
{"ECO":"E25","Opening":"Nimzo-Indian","Variation":"Saemisch, Romanovsky variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5 Nxd5 8. dxc5 f5","NMoves":8,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3 b2c3 c7c5 f2f3 d7d5 c4d5 f6d5 d4c5 f7f5"}
{"ECO":"E26","Opening":"Nimzo-Indian","Variation":"Saemisch variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3","NMoves":6,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3 b2c3 c7c5 e2e3"}
{"ECO":"E26","Opening":"Nimzo-Indian","Variation":"Saemisch, O'Kelly variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6","NMoves":6,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3 b2c3 c7c5 e2e3 b7b6"}
{"ECO":"E27","Opening":"Nimzo-Indian","Variation":"Saemisch variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3 b2c3 e8g8"}
{"ECO":"E28","Opening":"Nimzo-Indian","Variation":"Saemisch variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. e3","NMoves":6,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3 b2c3 e8g8 e2e3"}
{"ECO":"E29","Opening":"Nimzo-Indian","Variation":"Saemisch, main line","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. e3 c5 7. Bd3 Nc6","NMoves":7,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3 b2c3 e8g8 e2e3 c7c5 f1d3 b8c6"}
{"ECO":"E29","Opening":"Nimzo-Indian","Variation":"Saemisch, Capablanca variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. e3 c5 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8","NMoves":9,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3 b2c3 e8g8 e2e3 c7c5 f1d3 b8c6 g1e2 b7b6 e3e4 f6e8"}
{"ECO":"E30","Opening":"Nimzo-Indian","Variation":"Leningrad variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 c1g5"}
{"ECO":"E30","Opening":"Nimzo-Indian","Variation":"Leningrad, ...b5 gambit","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 b5","NMoves":6,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 c1g5 h7h6 g5h4 c7c5 d4d5 b7b5"}
{"ECO":"E31","Opening":"Nimzo-Indian","Variation":"Leningrad, main line","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6","NMoves":6,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 c1g5 h7h6 g5h4 c7c5 d4d5 d7d6"}
{"ECO":"E32","Opening":"Nimzo-Indian","Variation":"classical variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2"}
{"ECO":"E32","Opening":"Nimzo-Indian","Variation":"classical, Adorjan gambit","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b5","NMoves":6,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 e8g8 a2a3 b4c3 c2c3 b7b5"}
{"ECO":"E33","Opening":"Nimzo-Indian","Variation":"classical, 4...Nc6","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 b8c6"}
{"ECO":"E33","Opening":"Nimzo-Indian","Variation":"classical, Milner-Barry (Zurich) variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 b8c6 g1f3 d7d6"}
{"ECO":"E34","Opening":"Nimzo-Indian","Variation":"classical, Noa variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 d7d5"}
{"ECO":"E35","Opening":"Nimzo-Indian","Variation":"classical, Noa variation, 5.cd ed","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 d7d5 c4d5 e6d5"}
{"ECO":"E36","Opening":"Nimzo-Indian","Variation":"classical, Noa variation, 5.a3","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 d7d5 a2a3"}
{"ECO":"E36","Opening":"Nimzo-Indian","Variation":"classical, Botvinnik variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Nc6","NMoves":6,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 d7d5 a2a3 b4c3 c2c3 b8c6"}
{"ECO":"E36","Opening":"Nimzo-Indian","Variation":"classical, Noa variation, main line","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4","NMoves":6,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 d7d5 a2a3 b4c3 c2c3 f6e4"}
{"ECO":"E37","Opening":"Nimzo-Indian","Variation":"classical, Noa variation, main line, 7.Qc2","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2","NMoves":7,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 d7d5 a2a3 b4c3 c2c3 f6e4 c3c2"}
{"ECO":"E37","Opening":"Nimzo-Indian","Variation":"classical, San Remo variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 Nc6 8. e3 e5","NMoves":8,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 d7d5 a2a3 b4c3 c2c3 f6e4 c3c2 b8c6 e2e3 e6e5"}
{"ECO":"E38","Opening":"Nimzo-Indian","Variation":"classical, 4...c5","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 c7c5"}
{"ECO":"E39","Opening":"Nimzo-Indian","Variation":"classical, Pirc variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 c7c5 d4c5 e8g8"}
{"ECO":"E40","Opening":"Nimzo-Indian","Variation":"4.e3","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3"}
{"ECO":"E40","Opening":"Nimzo-Indian","Variation":"4.e3, Taimanov variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Nc6","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 b8c6"}
{"ECO":"E41","Opening":"Nimzo-Indian","Variation":"4.e3 c5","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 c7c5"}
{"ECO":"E41","Opening":"Nimzo-Indian","Variation":"e3, Huebner variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6","NMoves":7,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 c7c5 f1d3 b8c6 g1f3 b4c3 b2c3 d7d6"}
{"ECO":"E42","Opening":"Nimzo-Indian","Variation":"4.e3 c5, 5.Ne2 (Rubinstein)","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 c7c5 g1e2"}
{"ECO":"E43","Opening":"Nimzo-Indian","Variation":"Fischer variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 b7b6"}
{"ECO":"E44","Opening":"Nimzo-Indian","Variation":"Fischer variation, 5.Ne2","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 b7b6 g1e2"}
{"ECO":"E45","Opening":"Nimzo-Indian","Variation":"4.e3, Bronstein (Byrne) variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 b7b6 g1e2 c8a6"}
{"ECO":"E46","Opening":"Nimzo-Indian","Variation":"4.e3 O-O","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O","NMoves":4,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8"}
{"ECO":"E46","Opening":"Nimzo-Indian","Variation":"Reshevsky variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1e2"}
{"ECO":"E46","Opening":"Nimzo-Indian","Variation":"Simagin variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 d5 6. a3 Bd6","NMoves":6,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1e2 d7d5 a2a3 b4d6"}
{"ECO":"E47","Opening":"Nimzo-Indian","Variation":"4.e3 O-O, 5.Bd3","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 f1d3"}
{"ECO":"E48","Opening":"Nimzo-Indian","Variation":"4.e3 O-O, 5.Bd3 d5","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 f1d3 d7d5"}
{"ECO":"E49","Opening":"Nimzo-Indian","Variation":"4.e3, Botvinnik system","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3","NMoves":7,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 f1d3 d7d5 a2a3 b4c3 b2c3"}
{"ECO":"E50","Opening":"Nimzo-Indian","Variation":"4.e3 e8g8, 5.Nf3, without ...d5","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3"}
{"ECO":"E51","Opening":"Nimzo-Indian","Variation":"4.e3 e8g8, 5.Nf3 d7d5","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5","NMoves":5,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5"}
{"ECO":"E51","Opening":"Nimzo-Indian","Variation":"4.e3, Ragozin variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 Nc6 7. O-O dxc4","NMoves":7,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 b8c6 e1g1 d5c4"}
{"ECO":"E52","Opening":"Nimzo-Indian","Variation":"4.e3, main line with ...b6","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 b6","NMoves":6,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 b7b6"}
{"ECO":"E53","Opening":"Nimzo-Indian","Variation":"4.e3, main line with ...c5","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5","NMoves":6,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5"}
{"ECO":"E53","Opening":"Nimzo-Indian","Variation":"4.e3, Keres variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O b6","NMoves":7,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5 e1g1 b7b6"}
{"ECO":"E53","Opening":"Nimzo-Indian","Variation":"4.e3, Gligoric system with 7...Nbd7","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nbd7","NMoves":7,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5 e1g1 b8d7"}
{"ECO":"E54","Opening":"Nimzo-Indian","Variation":"4.e3, Gligoric system with 7...dc","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O dxc4 8. Bxc4","NMoves":8,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5 e1g1 d5c4 d3c4"}
{"ECO":"E54","Opening":"Nimzo-Indian","Variation":"4.e3, Gligoric system, Smyslov variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O dxc4 8. Bxc4 Qe7","NMoves":8,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5 e1g1 d5c4 d3c4 d8e7"}
{"ECO":"E55","Opening":"Nimzo-Indian","Variation":"4.e3, Gligoric system, Bronstein variation","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O dxc4 8. Bxc4 Nbd7","NMoves":8,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5 e1g1 d5c4 d3c4 b8d7"}
{"ECO":"E56","Opening":"Nimzo-Indian","Variation":"4.e3, main line with 7...Nc6","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nc6","NMoves":7,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5 e1g1 b8c6"}
{"ECO":"E57","Opening":"Nimzo-Indian","Variation":"4.e3, main line with 8...dc and 9...cd","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nc6 8. a3 dxc4 9. Bxc4 cxd4","NMoves":9,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5 e1g1 b8c6 a2a3 d5c4 d3c4 c5d4"}
{"ECO":"E58","Opening":"Nimzo-Indian","Variation":"4.e3, main line with 8...Bxc3","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3","NMoves":9,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5 e1g1 b8c6 a2a3 b4c3 b2c3"}
{"ECO":"E59","Opening":"Nimzo-Indian","Variation":"4.e3, main line","Movetext":"1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4","NMoves":10,"LAN":"d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5 e1g1 b8c6 a2a3 b4c3 b2c3 d5c4 d3c4"}
{"ECO":"E60","Opening":"King's Indian defence","Movetext":"1. d4 Nf6 2. c4 g6","NMoves":2,"LAN":"d2d4 g8f6 c2c4 g7g6"}
{"ECO":"E60","Opening":"King's Indian, 3.Nf3","Movetext":"1. d4 Nf6 2. c4 g6 3. Nf3","NMoves":3,"LAN":"d2d4 g8f6 c2c4 g7g6 g1f3"}
{"ECO":"E60","Opening":"Queen's pawn","Variation":"Mengarini attack","Movetext":"1. d4 Nf6 2. c4 g6 3. Qc2","NMoves":3,"LAN":"d2d4 g8f6 c2c4 g7g6 d1c2"}
{"ECO":"E60","Opening":"King's Indian","Variation":"Anti-Gruenfeld","Movetext":"1. d4 Nf6 2. c4 g6 3. d5","NMoves":3,"LAN":"d2d4 g8f6 c2c4 g7g6 d4d5"}
{"ECO":"E60","Opening":"King's Indian","Variation":"Danube gambit","Movetext":"1. d4 Nf6 2. c4 g6 3. d5 b5","NMoves":3,"LAN":"d2d4 g8f6 c2c4 g7g6 d4d5 b7b5"}
{"ECO":"E60","Opening":"King's Indian","Variation":"3.g3","Movetext":"1. d4 Nf6 2. c4 g6 3. g3","NMoves":3,"LAN":"d2d4 g8f6 c2c4 g7g6 g2g3"}
{"ECO":"E60","Opening":"King's Indian","Variation":"3.g3, counterthrust variation","Movetext":"1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5","NMoves":4,"LAN":"d2d4 g8f6 c2c4 g7g6 g2g3 f8g7 f1g2 d7d5"}
{"ECO":"E61","Opening":"King's Indian defence, 3.Nc3","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3","NMoves":3,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3"}
{"ECO":"E61","Opening":"King's Indian","Variation":"Smyslov system","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg5","NMoves":5,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 c1g5"}
{"ECO":"E62","Opening":"King's Indian","Variation":"fianchetto variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3","NMoves":5,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3"}
{"ECO":"E62","Opening":"King's Indian","Variation":"fianchetto, Larsen system","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c6 7. O-O Bf5","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 c7c6 e1g1 c8f5"}
{"ECO":"E62","Opening":"King's Indian","Variation":"fianchetto, Kavalek (Bronstein) variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c6 7. O-O Qa5","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 c7c6 e1g1 d8a5"}
{"ECO":"E62","Opening":"King's Indian","Variation":"fianchetto with ...Nc6","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 b8c6"}
{"ECO":"E62","Opening":"King's Indian","Variation":"fianchetto, Uhlmann (Szabo) variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6 7. O-O e5","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 b8c6 e1g1 e7e5"}
{"ECO":"E62","Opening":"King's Indian","Variation":"fianchetto, lesser Simagin (Spassky) variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6 7. O-O Bf5","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 b8c6 e1g1 c8f5"}
{"ECO":"E62","Opening":"King's Indian","Variation":"fianchetto, Simagin variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6 7. O-O Bg4","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 b8c6 e1g1 c8g4"}
{"ECO":"E63","Opening":"King's Indian","Variation":"fianchetto, Panno variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6 7. O-O a6","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 b8c6 e1g1 a7a6"}
{"ECO":"E64","Opening":"King's Indian","Variation":"fianchetto, Yugoslav system","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c5","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 c7c5"}
{"ECO":"E65","Opening":"King's Indian","Variation":"fianchetto, Yugoslav, 7.O-O","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c5 7. O-O","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 c7c5 e1g1"}
{"ECO":"E66","Opening":"King's Indian","Variation":"fianchetto, Yugoslav Panno","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c5 7. O-O Nc6 8. d5","NMoves":8,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 c7c5 e1g1 b8c6 d4d5"}
{"ECO":"E67","Opening":"King's Indian","Variation":"fianchetto with ...Nd7","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nbd7","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 b8d7"}
{"ECO":"E67","Opening":"King's Indian","Variation":"fianchetto, classical variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nbd7 7. O-O e5","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 b8d7 e1g1 e7e5"}
{"ECO":"E68","Opening":"King's Indian","Variation":"fianchetto, classical variation, 8.e4","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nbd7 7. O-O e5 8. e4","NMoves":8,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 b8d7 e1g1 e7e5 e2e4"}
{"ECO":"E69","Opening":"King's Indian","Variation":"fianchetto, classical main line","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nbd7 7. O-O e5 8. e4 c6 9. h3","NMoves":9,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 b8d7 e1g1 e7e5 e2e4 c7c6 h2h3"}
{"ECO":"E70","Opening":"King's Indian","Variation":"4.e4","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4","NMoves":4,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4"}
{"ECO":"E70","Opening":"King's Indian","Variation":"Kramer system","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2","NMoves":5,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1e2"}
{"ECO":"E70","Opening":"King's Indian","Variation":"accelerated Averbakh system","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bg5","NMoves":5,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 c1g5"}
{"ECO":"E71","Opening":"King's Indian","Variation":"Makagonov system (5.h3)","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3","NMoves":5,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 h2h3"}
{"ECO":"E72","Opening":"King's Indian with e4 & g3","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. g3","NMoves":5,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g2g3"}
{"ECO":"E72","Opening":"King's Indian","Variation":"Pomar system","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. g3 O-O 6. Bg2 e5 7. Nge2","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g2g3 e8g8 f1g2 e7e5 g1e2"}
{"ECO":"E73","Opening":"King's Indian","Variation":"5.Be2","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2","NMoves":5,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f1e2"}
{"ECO":"E73","Opening":"King's Indian","Variation":"Semi-Averbakh system","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f1e2 e8g8 c1e3"}
{"ECO":"E73","Opening":"King's Indian","Variation":"Averbakh system","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f1e2 e8g8 c1g5"}
{"ECO":"E74","Opening":"King's Indian","Variation":"Averbakh, 6...c5","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f1e2 e8g8 c1g5 c7c5"}
{"ECO":"E75","Opening":"King's Indian","Variation":"Averbakh, main line","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 e6","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f1e2 e8g8 c1g5 c7c5 d4d5 e7e6"}
{"ECO":"E76","Opening":"King's Indian","Variation":"Four pawns attack","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4","NMoves":5,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f4"}
{"ECO":"E76","Opening":"King's Indian","Variation":"Four pawns attack, dynamic line","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f4 e8g8 g1f3 c7c5 d4d5"}
{"ECO":"E77","Opening":"King's Indian","Variation":"Four pawns attack, 6.Be2","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f4 e8g8 f1e2"}
{"ECO":"E77","Opening":"King's Indian","Variation":"Six pawns attack","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. d5 e6 8. dxe6 fxe6 9. g4 Nc6 10. h4","NMoves":10,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f4 e8g8 f1e2 c7c5 d4d5 e7e6 d5e6 f7e6 g2g4 b8c6 h2h4"}
{"ECO":"E77","Opening":"King's Indian","Variation":"Four pawns attack","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. d5 e6 8. Nf3","NMoves":8,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f4 e8g8 f1e2 c7c5 d4d5 e7e6 g1f3"}
{"ECO":"E77","Opening":"King's Indian","Variation":"Four pawns attack, Florentine gambit","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. d5 e6 8. Nf3 exd5 9. e5","NMoves":9,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f4 e8g8 f1e2 c7c5 d4d5 e7e6 g1f3 e6d5 e4e5"}
{"ECO":"E78","Opening":"King's Indian","Variation":"Four pawns attack, with Be2 and Nf3","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. Nf3","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f4 e8g8 f1e2 c7c5 g1f3"}
{"ECO":"E79","Opening":"King's Indian","Variation":"Four pawns attack, main line","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. Nf3 cxd4 8. Nxd4 Nc6 9. Be3","NMoves":9,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f4 e8g8 f1e2 c7c5 g1f3 c5d4 f3d4 b8c6 c1e3"}
{"ECO":"E80","Opening":"King's Indian","Variation":"Saemisch variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3","NMoves":5,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3"}
{"ECO":"E81","Opening":"King's Indian","Variation":"Saemisch, 5...O-O","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O","NMoves":5,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8"}
{"ECO":"E81","Opening":"King's Indian","Variation":"Saemisch, Byrne variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 c6 7. Bd3 a6","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 c7c6 f1d3 a7a6"}
{"ECO":"E82","Opening":"King's Indian","Variation":"Saemisch, double fianchetto variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 b7b6"}
{"ECO":"E83","Opening":"King's Indian","Variation":"Saemisch, 6...Nc6","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 b8c6"}
{"ECO":"E83","Opening":"King's Indian","Variation":"Saemisch, Ruban variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 Rb8","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 b8c6 g1e2 a8b8"}
{"ECO":"E83","Opening":"King's Indian","Variation":"Saemisch, Panno formation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 a6","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 b8c6 g1e2 a7a6"}
{"ECO":"E84","Opening":"King's Indian","Variation":"Saemisch, Panno main line","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Rb8","NMoves":8,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 b8c6 g1e2 a7a6 d1d2 a8b8"}
{"ECO":"E85","Opening":"King's Indian","Variation":"Saemisch, orthodox variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 e7e5"}
{"ECO":"E86","Opening":"King's Indian","Variation":"Saemisch, orthodox, 7.Nge2 c6","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. Nge2 c6","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 e7e5 g1e2 c7c6"}
{"ECO":"E87","Opening":"King's Indian","Variation":"Saemisch, orthodox, 7.d5","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 e7e5 d4d5"}
{"ECO":"E87","Opening":"King's Indian","Variation":"Saemisch, orthodox, Bronstein variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 Nh5 8. Qd2 Qh4+ 9. g3 Nxg3 10. Qf2 Nxf1 11. Qxh4 Nxe3 12. Ke2 Nxc4","NMoves":12,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 e7e5 d4d5 f6h5 d1d2 d8h4 g2g3 h5g3 d2f2 g3f1 f2h4 f1e3 e1e2 e3c4"}
{"ECO":"E88","Opening":"King's Indian","Variation":"Saemisch, orthodox, 7.d5 c6","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c6","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 e7e5 d4d5 c7c6"}
{"ECO":"E89","Opening":"King's Indian","Variation":"Saemisch, orthodox main line","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c6 8. Nge2 cxd5","NMoves":8,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 e7e5 d4d5 c7c6 g1e2 c6d5"}
{"ECO":"E90","Opening":"King's Indian","Variation":"5.Nf3","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3","NMoves":5,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3"}
{"ECO":"E90","Opening":"King's Indian","Variation":"Larsen variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be3","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 c1e3"}
{"ECO":"E90","Opening":"King's Indian","Variation":"Zinnowitz variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Bg5","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 c1g5"}
{"ECO":"E91","Opening":"King's Indian","Variation":"6.Be2","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2"}
{"ECO":"E91","Opening":"King's Indian","Variation":"Kazakh variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Na6","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 b8a6"}
{"ECO":"E92","Opening":"King's Indian","Variation":"classical variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5","NMoves":6,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5"}
{"ECO":"E92","Opening":"King's Indian","Variation":"Andersson variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. dxe5","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 d4e5"}
{"ECO":"E92","Opening":"King's Indian","Variation":"Gligoric-Taimanov system","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 c1e3"}
{"ECO":"E92","Opening":"King's Indian","Variation":"Petrosian system","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 d4d5"}
{"ECO":"E92","Opening":"King's Indian","Variation":"Petrosian system, Stein variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 a5","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 d4d5 a7a5"}
{"ECO":"E93","Opening":"King's Indian","Variation":"Petrosian system, main line","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 Nbd7","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 d4d5 b8d7"}
{"ECO":"E93","Opening":"King's Indian","Variation":"Petrosian system, Keres variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 Nbd7 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5 11. h4","NMoves":11,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 d4d5 b8d7 c1g5 h7h6 g5h4 g6g5 h4g3 f6h5 h2h4"}
{"ECO":"E94","Opening":"King's Indian","Variation":"orthodox variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1"}
{"ECO":"E94","Opening":"King's Indian","Variation":"orthodox, Donner variation","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O c6","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 c7c6"}
{"ECO":"E94","Opening":"King's Indian","Variation":"orthodox, 7...Nbd7","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8d7"}
{"ECO":"E95","Opening":"King's Indian","Variation":"orthodox, 7...Nbd7, 8.Re1","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. Re1","NMoves":8,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8d7 f1e1"}
{"ECO":"E96","Opening":"King's Indian","Variation":"orthodox, 7...Nbd7, main line","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. Re1 c6 9. Bf1 a5","NMoves":9,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8d7 f1e1 c7c6 e2f1 a7a5"}
{"ECO":"E97","Opening":"King's Indian","Variation":"orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation)","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6","NMoves":7,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8c6"}
{"ECO":"E97","Opening":"King's Indian","Variation":"orthodox, Aronin-Taimanov, bayonet attack","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. b4","NMoves":9,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8c6 d4d5 c6e7 b2b4"}
{"ECO":"E98","Opening":"King's Indian","Variation":"orthodox, Aronin-Taimanov, 9.Ne1","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1","NMoves":9,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8c6 d4d5 c6e7 f3e1"}
{"ECO":"E99","Opening":"King's Indian","Variation":"orthodox, Aronin-Taimanov, main line","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. f3 f5","NMoves":10,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8c6 d4d5 c6e7 f3e1 f6d7 f2f3 f7f5"}
{"ECO":"E99","Opening":"King's Indian","Variation":"orthodox, Aronin-Taimanov, Benko attack","Movetext":"1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. f3 f5 11. g4","NMoves":11,"LAN":"d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8c6 d4d5 c6e7 f3e1 f6d7 f2f3 f7f5 g2g4"}