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ECO - E00-E99

Encyclopedia of Chess Openings ECO classifies openings using codes from A00 to E99. The codes are in wide use throughout the chess world in a mini-library of five volumes; A, B, C, D, and E, which refer to the five main groups in the classification of openings. For your use is a comprehensive collection of modern opening theory. Ues the links below for a complete list of the five group volums along with their classifications in the ECO, as well as their pgn. Volumns A00-A99 B00-B99 C00-C99 D00-D99 E00-E99 Encyclopedia of Chess Openings - E00 - E99 [Home] [Top] Group Classification The Catalan Opening (E00-09) The Queen's Indian Defense (E12-19) The Nimzo-Indian Defense (E20-59) The King's Indian Defense (E60-99) [ECO "E00"] [Home] [Top] [Volumn E00-E99] [Opening "Queen's pawn game"] 1. d4 Nf6 2. c4 e6 [ECO "E00"] [Opening "Neo-Indian (Seirawan) attack"] 1. d4 Nf6 2. c4 e6 3. Bg5 [ECO "E00"] [Opening "Catalan Opening"] 1. d4 Nf6 2. c4 e6 3. g3 [ECO "E01"] [Opening "Catalan"] [Variation "Closed"] 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 [ECO "E02"] [Opening "Catalan"] [Variation "Open, 5.Qa4"] 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ [ECO "E03"] [Opening "Catalan"] [Variation "Open, Alekhine variation"] 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 [ECO "E03"] [Opening "Catalan"] [Variation "Open, 5.Qa4 Nbd7, 6.Qxc4"] 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 [ECO "E04"] [Opening "Catalan"] [Variation "Open, 5.Nf3"] 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 [ECO "E05"] [Opening "Catalan"] [Variation "Open, Classical line"] 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Be7 [ECO "E06"] [Opening "Catalan"] [Variation "Closed, 5.Nf3"] 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 [ECO "E07"] [Opening "Catalan"] [Variation "Closed, 6...Nbd7"] 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 [ECO "E07"] [Opening "Catalan"] [Variation "Closed, Botvinnik variation"] 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 [ECO "E08"] [Opening "Catalan"] [Variation "Closed, 7.Qc2"] 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 [ECO "E08"] [Opening "Catalan"] [Variation "Closed, Zagoryansky variation"] 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 [ECO "E08"] [Opening "Catalan"] [Variation "Closed, Qc2 & b3"] 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 [ECO "E08"] [Opening "Catalan"] [Variation "Closed, Spassky gambit"] 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 [ECO "E09"] [Opening "Catalan"] [Variation "Closed, Main line"] 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 [ECO "E09"] [Opening "Catalan"] [Variation "Closed, Sokolsky variation"] 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 [ECO "E10"] [Opening "Queen's pawn game"] 1. d4 Nf6 2. c4 e6 3. Nf3 [ECO "E10"] [Opening "Blumenfeld counter-gambit"] 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 [ECO "E10"] [Opening "Blumenfeld counter-gambit accepted"] 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. dxe6 fxe6 6. cxb5 d5 [ECO "E10"] [Opening "Blumenfeld counter-gambit, Dus-Chotimursky variation"] 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. Bg5 [ECO "E10"] [Opening "Blumenfeld counter-gambit, Spielmann variation"] 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. Bg5 exd5 6. cxd5 h6 [ECO "E10"] [Opening "Dzindzikhashvili defence"] 1. d4 Nf6 2. c4 e6 3. Nf3 a6 [ECO "E10"] [Opening "Doery defence"] 1. d4 Nf6 2. c4 e6 3. Nf3 Ne4 [ECO "E11"] [Opening "Bogo-Indian defence"] 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ [ECO "E11"] [Opening "Bogo-Indian defence, Gruenfeld variation"] 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 [ECO "E11"] [Opening "Bogo-Indian defence, Nimzovich variation"] 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 [ECO "E11"] [Opening "Bogo-Indian defence, Monticelli trap"] 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 [ECO "E12"] [Opening "Queen's Indian defence"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 [ECO "E12"] [Home] [Top] [Volumn E00-E99] [Opening "Queen's Indian"] [Variation "Miles variation"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bf4 [ECO "E12"] [Opening "Queen's Indian"] [Variation "Petrosian system"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 [ECO "E12"] [Opening "Queen's Indian"] [Variation "4.Nc3"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 [ECO "E12"] [Opening "Queen's Indian"] [Variation "4.Nc3, Botvinnik variation"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 g5 7. Bg3 Nh5 [ECO "E13"] [Opening "Queen's Indian"] [Variation "4.Nc3, Main line"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Bb4 [ECO "E14"] [Opening "Queen's Indian"] [Variation "4.e3"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 [ECO "E14"] [Opening "Queen's Indian"] [Variation "Averbakh variation"] 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 [ECO "E15"] [Opening "Queen's Indian"] [Variation "4.g3"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 [ECO "E15"] [Opening "Queen's Indian"] [Variation "Nimzovich variation (exaggerated Fianchetto)"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 [ECO "E15"] [Opening "Queen's Indian"] [Variation "4.g3 Bb7"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 [ECO "E15"] [Opening "Queen's Indian"] [Variation "Rubinstein variation"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 c5 6. d5 exd5 7. Nh4 [ECO "E15"] [Opening "Queen's Indian"] [Variation "Buerger variation"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 c5 6. d5 exd5 7. Ng5 [ECO "E16"] [Opening "Queen's Indian"] [Variation "Capablanca variation"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ [ECO "E16"] [Opening "Queen's Indian"] [Variation "Yates variation"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 a5 [ECO "E16"] [Opening "Queen's Indian"] [Variation "Riumin variation"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Be7 [ECO "E17"] [Opening "Queen's Indian"] [Variation "5.Bg2 Be7"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 [ECO "E17"] [Opening "Queen's Indian"] [Variation "Anti-Queen's Indian system"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 [ECO "E17"] [Opening "Queen's Indian"] [Variation "Opovcensky variation"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Bd2 [ECO "E17"] [Opening "Queen's Indian"] [Variation "Old Main line, 6.O-O"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O [ECO "E17"] [Opening "Queen's Indian"] [Variation "Euwe variation"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3 [ECO "E18"] [Opening "Queen's Indian"] [Variation "Old Main line, 7.Nc3"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 [ECO "E19"] [Opening "Queen's Indian"] [Variation "Old Main line, 9.Qxc3"] 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 [ECO "E20"] [Home] [Top] [Volumn E00-E99] [Opening "Nimzo-Indian defence"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 [ECO "E20"] [Opening "Nimzo-Indian"] [Variation "Kmoch variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 [ECO "E20"] [Opening "Nimzo-Indian"] [Variation "Mikenas attack"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qd3 [ECO "E20"] [Opening "Nimzo-Indian"] [Variation "Romanishin-Kasparov (Steiner) system"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 [ECO "E21"] [Opening "Nimzo-Indian"] [Variation "Three knights variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 [ECO "E21"] [Opening "Nimzo-Indian"] [Variation "Three knights, Korchnoi variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5 [ECO "E21"] [Opening "Nimzo-Indian"] [Variation "Three knights, Euwe variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5 Ne4 [ECO "E22"] [Opening "Nimzo-Indian"] [Variation "Spielmann variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 [ECO "E23"] [Opening "Nimzo-Indian"] [Variation "Spielmann, 4...c5, 5.dc Nc6"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 [ECO "E23"] [Opening "Nimzo-Indian"] [Variation "Spielmann, Karlsbad variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 [ECO "E23"] [Opening "Nimzo-Indian"] [Variation "Spielmann, San Remo variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxc5 [ECO "E23"] [Opening "Nimzo-Indian"] [Variation "Spielmann, Staahlberg variation"] 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 [ECO "E24"] [Opening "Nimzo-Indian"] [Variation "Saemisch variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 [ECO "E24"] [Opening "Nimzo-Indian"] [Variation "Saemisch, Botvinnik variation"] 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 [ECO "E25"] [Opening "Nimzo-Indian"] [Variation "Saemisch variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5 [ECO "E25"] [Opening "Nimzo-Indian"] [Variation "Saemisch, Keres variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5 Nxd5 8. dxc5 [ECO "E25"] [Opening "Nimzo-Indian"] [Variation "Saemisch, Romanovsky variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5 Nxd5 8. dxc5 f5 [ECO "E26"] [Opening "Nimzo-Indian"] [Variation "Saemisch variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 [ECO "E26"] [Opening "Nimzo-Indian"] [Variation "Saemisch, O'Kelly variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 [ECO "E27"] [Opening "Nimzo-Indian"] [Variation "Saemisch variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O [ECO "E28"] [Opening "Nimzo-Indian"] [Variation "Saemisch variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. e3 [ECO "E29"] [Opening "Nimzo-Indian"] [Variation "Saemisch, Main line"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. e3 c5 7. Bd3 Nc6 [ECO "E29"] [Opening "Nimzo-Indian"] [Variation "Saemisch, Capablanca variation"] 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 [ECO "E30"] [Opening "Nimzo-Indian"] [Variation "Leningrad variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 [ECO "E30"] [Opening "Nimzo-Indian"] [Variation "Leningrad, ...b5 gambit"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 b5 [ECO "E31"] [Opening "Nimzo-Indian"] [Variation "Leningrad, Main line"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6 [ECO "E32"] [Opening "Nimzo-Indian"] [Variation "Classical variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 [ECO "E32"] [Opening "Nimzo-Indian"] [Variation "Classical, Adorjan gambit"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b5 [ECO "E33"] [Opening "Nimzo-Indian"] [Variation "Classical, 4...Nc6"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 [ECO "E33"] [Opening "Nimzo-Indian"] [Variation "Classical, Milner-Barry (Zurich) variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 [ECO "E34"] [Opening "Nimzo-Indian"] [Variation "Classical, Noa variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 [ECO "E35"] [Opening "Nimzo-Indian"] [Variation "Classical, Noa variation, 5.cd ed"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 [ECO "E36"] [Opening "Nimzo-Indian"] [Variation "Classical, Noa variation, 5.a3"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 [ECO "E36"] [Opening "Nimzo-Indian"] [Variation "Classical, Botvinnik variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Nc6 [ECO "E36"] [Opening "Nimzo-Indian"] [Variation "Classical, Noa variation, Main line"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 [ECO "E37"] [Opening "Nimzo-Indian"] [Variation "Classical, Noa variation, Main line, 7.Qc2"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 [ECO "E37"] [Opening "Nimzo-Indian"] [Variation "Classical, San Remo variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 Nc6 8. e3 e5 [ECO "E38"] [Opening "Nimzo-Indian"] [Variation "Classical, 4...c5"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 [ECO "E39"] [Opening "Nimzo-Indian"] [Variation "Classical, Pirc variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O [ECO "E40"] [Opening "Nimzo-Indian"] [Variation "4.e3"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 [ECO "E40"] [Opening "Nimzo-Indian"] [Variation "4.e3, Taimanov variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Nc6 [ECO "E41"] [Opening "Nimzo-Indian"] [Variation "4.e3 c5"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 [ECO "E41"] [Opening "Nimzo-Indian"] [Variation "e3, Huebner variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 [ECO "E42"] [Opening "Nimzo-Indian"] [Variation "4.e3 c5, 5.Ne2 (Rubinstein)"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 [ECO "E43"] [Opening "Nimzo-Indian"] [Variation "Fischer variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 [ECO "E44"] [Opening "Nimzo-Indian"] [Variation "Fischer variation, 5.Ne2"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 [ECO "E45"] [Opening "Nimzo-Indian"] [Variation "4.e3, Bronstein (Byrne) variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 [ECO "E46"] [Opening "Nimzo-Indian"] [Variation "4.e3 O-O"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O [ECO "E46"] [Opening "Nimzo-Indian"] [Variation "Reshevsky variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 [ECO "E46"] [Opening "Nimzo-Indian"] [Variation "Simagin variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 d5 6. a3 Bd6 [ECO "E47"] [Opening "Nimzo-Indian"] [Variation "4.e3 O-O, 5.Bd3"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 [ECO "E48"] [Opening "Nimzo-Indian"] [Variation "4.e3 O-O, 5.Bd3 d5"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 [ECO "E49"] [Opening "Nimzo-Indian"] [Variation "4.e3, Botvinnik system"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 [ECO "E50"] [Opening "Nimzo-Indian"] [Variation "4.e3 e8g8, 5.Nf3, without ...d5"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 [ECO "E51"] [Opening "Nimzo-Indian"] [Variation "4.e3 e8g8, 5.Nf3 d7d5"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 [ECO "E51"] [Opening "Nimzo-Indian"] [Variation "4.e3, Ragozin variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 Nc6 7. O-O dxc4 [ECO "E52"] [Opening "Nimzo-Indian"] [Variation "4.e3, Main line with ...b6"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 b6 [ECO "E53"] [Opening "Nimzo-Indian"] [Variation "4.e3, Main line with ...c5"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 [ECO "E53"] [Opening "Nimzo-Indian"] [Variation "4.e3, Keres variation"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O b6 [ECO "E53"] [Opening "Nimzo-Indian"] [Variation "4.e3, Gligoric system with 7...Nbd7"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nbd7 [ECO "E54"] [Opening "Nimzo-Indian"] [Variation "4.e3, Gligoric system with 7...dc"] 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 [ECO "E54"] [Opening "Nimzo-Indian"] [Variation "4.e3, Gligoric system, Smyslov variation"] 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 [ECO "E55"] [Opening "Nimzo-Indian"] [Variation "4.e3, Gligoric system, Bronstein variation"] 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 [ECO "E56"] [Opening "Nimzo-Indian"] [Variation "4.e3, Main line with 7...Nc6"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nc6 [ECO "E57"] [Opening "Nimzo-Indian"] [Variation "4.e3, Main line with 8...dc and 9...cd"] 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 [ECO "E58"] [Opening "Nimzo-Indian"] [Variation "4.e3, Main line with 8...Bxc3"] 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 [ECO "E59"] [Opening "Nimzo-Indian"] [Variation "4.e3, Main line"] 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 [ECO "E60"] [Home] [Top] [Volumn E00-E99] [Opening "King's Indian defence"] 1. d4 Nf6 2. c4 g6 [ECO "E60"] [Opening "King's Indian, 3.Nf3"] 1. d4 Nf6 2. c4 g6 3. Nf3 [ECO "E60"] [Opening "Queen's pawn"] [Variation "Mengarini attack"] 1. d4 Nf6 2. c4 g6 3. Qc2 [ECO "E60"] [Opening "King's Indian"] [Variation "Anti-Gruenfeld"] 1. d4 Nf6 2. c4 g6 3. d5 [ECO "E60"] [Opening "King's Indian"] [Variation "Danube gambit"] 1. d4 Nf6 2. c4 g6 3. d5 b5 [ECO "E60"] [Opening "King's Indian"] [Variation "3.g3"] 1. d4 Nf6 2. c4 g6 3. g3 [ECO "E60"] [Opening "King's Indian"] [Variation "3.g3, counterthrust variation"] 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 [ECO "E61"] [Opening "King's Indian defence, 3.Nc3"] 1. d4 Nf6 2. c4 g6 3. Nc3 [ECO "E61"] [Opening "King's Indian"] [Variation "Smyslov system"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg5 [ECO "E62"] [Opening "King's Indian"] [Variation "Fianchetto variation"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 [ECO "E62"] [Opening "King's Indian"] [Variation "Fianchetto, Larsen system"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c6 7. O-O Bf5 [ECO "E62"] [Opening "King's Indian"] [Variation "Fianchetto, Kavalek (Bronstein) variation"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c6 7. O-O Qa5 [ECO "E62"] [Opening "King's Indian"] [Variation "Fianchetto with ...Nc6"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6 [ECO "E62"] [Opening "King's Indian"] [Variation "Fianchetto, Uhlmann (Szabo) variation"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6 7. O-O e5 [ECO "E62"] [Opening "King's Indian"] [Variation "Fianchetto, lesser Simagin (Spassky) variation"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6 7. O-O Bf5 [ECO "E62"] [Opening "King's Indian"] [Variation "Fianchetto, Simagin variation"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6 7. O-O Bg4 [ECO "E63"] [Opening "King's Indian"] [Variation "Fianchetto, Panno variation"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6 7. O-O a6 [ECO "E64"] [Opening "King's Indian"] [Variation "Fianchetto, Yugoslav system"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c5 [ECO "E65"] [Opening "King's Indian"] [Variation "Fianchetto, Yugoslav, 7.O-O"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c5 7. O-O [ECO "E66"] [Opening "King's Indian"] [Variation "Fianchetto, Yugoslav Panno"] 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 [ECO "E67"] [Opening "King's Indian"] [Variation "Fianchetto with ...Nd7"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nbd7 [ECO "E67"] [Opening "King's Indian"] [Variation "Fianchetto, Classical variation"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nbd7 7. O-O e5 [ECO "E68"] [Opening "King's Indian"] [Variation "Fianchetto, Classical variation, 8.e4"] 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 [ECO "E69"] [Opening "King's Indian"] [Variation "Fianchetto, Classical Main line"] 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 [ECO "E70"] [Opening "King's Indian"] [Variation "4.e4"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 [ECO "E70"] [Opening "King's Indian"] [Variation "Kramer system"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 [ECO "E70"] [Opening "King's Indian"] [Variation "Accelerated Averbakh system"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bg5 [ECO "E71"] [Opening "King's Indian"] [Variation "Makagonov system (5.h3)"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 [ECO "E72"] [Opening "King's Indian with e4 & g3"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. g3 [ECO "E72"] [Opening "King's Indian"] [Variation "Pomar system"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. g3 O-O 6. Bg2 e5 7. Nge2 [ECO "E73"] [Opening "King's Indian"] [Variation "5.Be2"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 [ECO "E73"] [Opening "King's Indian"] [Variation "Semi-Averbakh system"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 [ECO "E73"] [Opening "King's Indian"] [Variation "Averbakh system"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 [ECO "E74"] [Opening "King's Indian"] [Variation "Averbakh, 6...c5"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 [ECO "E75"] [Opening "King's Indian"] [Variation "Averbakh, Main line"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 e6 [ECO "E76"] [Opening "King's Indian"] [Variation "Four pawns attack"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 [ECO "E76"] [Opening "King's Indian"] [Variation "Four pawns attack, dynamic line"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 [ECO "E77"] [Opening "King's Indian"] [Variation "Four pawns attack, 6.Be2"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 [ECO "E77"] [Opening "King's Indian"] [Variation "Six pawns attack"] 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 [ECO "E77"] [Opening "King's Indian"] [Variation "Four pawns attack"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. d5 e6 8. Nf3 [ECO "E77"] [Opening "King's Indian"] [Variation "Four pawns attack, Florentine gambit"] 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 [ECO "E78"] [Opening "King's Indian"] [Variation "Four pawns attack, with Be2 and Nf3"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. Nf3 [ECO "E79"] [Opening "King's Indian"] [Variation "Four pawns attack, Main line"] 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 [ECO "E80"] [Opening "King's Indian"] [Variation "Saemisch variation"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 [ECO "E81"] [Opening "King's Indian"] [Variation "Saemisch, 5...O-O"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O [ECO "E81"] [Opening "King's Indian"] [Variation "Saemisch, Byrne variation"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 c6 7. Bd3 a6 [ECO "E82"] [Opening "King's Indian"] [Variation "Saemisch, double Fianchetto variation"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 [ECO "E83"] [Opening "King's Indian"] [Variation "Saemisch, 6...Nc6"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 [ECO "E83"] [Opening "King's Indian"] [Variation "Saemisch, Ruban variation"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 Rb8 [ECO "E83"] [Opening "King's Indian"] [Variation "Saemisch, Panno formation"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 a6 [ECO "E84"] [Opening "King's Indian"] [Variation "Saemisch, Panno Main line"] 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 [ECO "E85"] [Opening "King's Indian"] [Variation "Saemisch, Orthodox variation"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 [ECO "E86"] [Opening "King's Indian"] [Variation "Saemisch, Orthodox, 7.Nge2 c6"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. Nge2 c6 [ECO "E87"] [Opening "King's Indian"] [Variation "Saemisch, Orthodox, 7.d5"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 [ECO "E87"] [Opening "King's Indian"] [Variation "Saemisch, Orthodox, Bronstein variation"] 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 [ECO "E88"] [Opening "King's Indian"] [Variation "Saemisch, Orthodox, 7.d5 c6"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c6 [ECO "E89"] [Opening "King's Indian"] [Variation "Saemisch, Orthodox Main line"] 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 [ECO "E90"] [Opening "King's Indian"] [Variation "5.Nf3"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 [ECO "E90"] [Opening "King's Indian"] [Variation "Larsen variation"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be3 [ECO "E90"] [Opening "King's Indian"] [Variation "Zinnowitz variation"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Bg5 [ECO "E91"] [Opening "King's Indian"] [Variation "6.Be2"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 [ECO "E91"] [Opening "King's Indian"] [Variation "Kazakh variation"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Na6 [ECO "E92"] [Opening "King's Indian"] [Variation "Classical variation"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 [ECO "E92"] [Opening "King's Indian"] [Variation "Andersson variation"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. dxe5 [ECO "E92"] [Opening "King's Indian"] [Variation "Gligoric-Taimanov system"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3 [ECO "E92"] [Opening "King's Indian"] [Variation "Petrosian system"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 [ECO "E92"] [Opening "King's Indian"] [Variation "Petrosian system, Stein variation"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 a5 [ECO "E93"] [Opening "King's Indian"] [Variation "Petrosian system, Main line"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 Nbd7 [ECO "E93"] [Opening "King's Indian"] [Variation "Petrosian system, Keres variation"] 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 [ECO "E94"] [Opening "King's Indian"] [Variation "Orthodox variation"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O [ECO "E94"] [Opening "King's Indian"] [Variation "Orthodox, Donner variation"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O c6 [ECO "E94"] [Opening "King's Indian"] [Variation "Orthodox, 7...Nbd7"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 [ECO "E95"] [Opening "King's Indian"] [Variation "Orthodox, 7...Nbd7, 8.Re1"] 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 [ECO "E96"] [Opening "King's Indian"] [Variation "Orthodox, 7...Nbd7, Main line"] 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 [ECO "E97"] [Opening "King's Indian"] [Variation "Orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation)"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 [ECO "E97"] [Opening "King's Indian"] [Variation "Orthodox, Aronin-Taimanov, bayonet attack"] 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 [ECO "E98"] [Opening "King's Indian"] [Variation "Orthodox, Aronin-Taimanov, 9.Ne1"] 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 [ECO "E99"] [Opening "King's Indian"] [Variation "Orthodox, Aronin-Taimanov, Main line"] 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 [ECO "E99"] [Opening "King's Indian"] [Variation "Orthodox, Aronin-Taimanov, Benko attack"] 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 Volumns A00-A99 B00-B99 C00-C99 D00-D99 E00-E99 [Home] [Top]

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Encyclopedia of Chess Openings - E00-E99

Encyclopedia of Chess Openings - A00-A99