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ECO CODES | |
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(Click on an opening description to see diagram) |
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A13 - A39 |
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A13 |
English opening 1. c2c4 e7e6 |
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A13 |
English: Romanishin gambit 1. c2c4 e7e6 2. ![]() ![]() ![]() |
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A13 |
English opening: Agincourt variation 1. c2c4 e7e6 2. ![]() |
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A13 |
English: Wimpey system 1. c2c4 e7e6 2. ![]() ![]() ![]() |
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A13 |
English opening: Agincourt variation 1. c2c4 e7e6 2. ![]() |
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A13 |
English: Kurajica defence 1. c2c4 e7e6 2. ![]() |
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A13 |
English: Neo-Catalan 1. c2c4 e7e6 2. ![]() ![]() |
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A13 |
English: Neo-Catalan accepted 1. c2c4 e7e6 2. ![]() ![]() ![]() |
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A14 |
English: Neo-Catalan declined 1. c2c4 e7e6 2. ![]() ![]() ![]() ![]() |
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A14 |
English: Symmetrical, Keres defence 1. c2c4 e7e6 2. ![]() ![]() ![]() ![]() 6. c4d5 ![]() ![]() ![]() |
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A15 |
English, 1...Nf6 (Anglo-Indian defense) 1. c2c4 ![]() |
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A15 |
English orang-utan 1. c2c4 ![]() |
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A15 |
English opening 1. c2c4 ![]() ![]() |
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A16 |
English opening 1. c2c4 ![]() ![]() |
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A16 |
English: Anglo-Gruenfeld defense 1. c2c4 ![]() ![]() |
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A16 |
English: Anglo-Gruenfeld, Smyslov defense 1. c2c4 ![]() ![]() ![]() ![]() ![]() |
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A16 |
English: Anglo-Gruenfeld, Czech defense 1. c2c4 ![]() ![]() ![]() ![]() ![]() |
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A16 |
English: Anglo-Gruenfeld defense 1. c2c4 ![]() ![]() ![]() ![]() |
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A16 |
English: Anglo-Gruenfeld defense, Korchnoi variation 1. c2c4 ![]() ![]() ![]() ![]() ![]() 6. ![]() |
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A17 |
English opening 1. c2c4 ![]() ![]() |
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A17 |
English: Queens Indian formation 1. c2c4 ![]() ![]() ![]() |
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A17 |
English: Queens Indian, Romanishin variation 1. c2c4 ![]() ![]() ![]() ![]() ![]() |
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A17 |
English: Nimzo-English opening 1. c2c4 ![]() ![]() ![]() ![]() |
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A18 |
English: Mikenas-Carls variation 1. c2c4 ![]() ![]() |
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A18 |
English: Mikenas-Carls, Flohr variation 1. c2c4 ![]() ![]() |
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A18 |
English: Mikenas-Carls, Kevitz variation 1. c2c4 ![]() ![]() ![]() |
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A19 |
English: Mikenas-Carls, Sicilian variation 1. c2c4 ![]() ![]() |
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A20 |
English opening 1. c2c4 e7e5 |
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A20 |
English, Nimzovich variation 1. c2c4 e7e5 2. ![]() |
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A20 |
English, Nimzovich, Flohr variation 1. c2c4 e7e5 2. ![]() |
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A21 |
English opening 1. c2c4 e7e5 2. ![]() |
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A21 |
English, Troeger defence 1. c2c4 e7e5 2. ![]() ![]() ![]() ![]() |
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A21 |
English, Keres variation 1. c2c4 e7e5 2. ![]() |
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A21 |
English opening 1. c2c4 e7e5 2. ![]() ![]() |
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A21 |
English, Smyslov defence 1. c2c4 e7e5 2. ![]() ![]() ![]() |
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A21 |
English, Kramnik-Shirov counterattack 1. c2c4 e7e5 2. ![]() ![]() |
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A22 |
English opening 1. c2c4 e7e5 2. ![]() ![]() |
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A22 |
English: Bellon gambit 1. c2c4 e7e5 2. ![]() ![]() ![]() ![]() |
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A22 |
English: Carls' Bremen system 1. c2c4 e7e5 2. ![]() ![]() |
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A22 |
English: Bremen, reverse dragon 1. c2c4 e7e5 2. ![]() ![]() |
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A22 |
English: Bremen, Smyslov system 1. c2c4 e7e5 2. ![]() ![]() ![]() |
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A23 |
English: Bremen system, Keres variation 1. c2c4 e7e5 2. ![]() ![]() |
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A24 |
English: Bremen system with ...g6 1. c2c4 e7e5 2. ![]() ![]() |
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A25 |
English: Sicilian reversed 1. c2c4 e7e5 2. ![]() ![]() |
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A25 |
English: closed system 1. c2c4 e7e5 2. ![]() ![]() ![]() ![]() |
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A25 |
English: closed, Taimanov variation 1. c2c4 e7e5 2. ![]() ![]() ![]() ![]() 6. ![]() ![]() |
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A25 |
English: closed, Hort variation 1. c2c4 e7e5 2. ![]() ![]() ![]() ![]() 6. ![]() ![]() |
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A25 |
English: closed, 5.Rb1 1. c2c4 e7e5 2. ![]() ![]() ![]() ![]() ![]() |
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A25 |
English: closed, 5.Rb1 Taimanov variation 1. c2c4 e7e5 2. ![]() ![]() ![]() ![]() ![]() ![]() |
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A25 |
English: closed system (without ...d6) 1. c2c4 e7e5 2. ![]() ![]() ![]() ![]() |
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A26 |
English: closed system 1. c2c4 e7e5 2. ![]() ![]() ![]() ![]() |
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A26 |
English: Botvinnik system 1. c2c4 e7e5 2. ![]() ![]() ![]() ![]() 6. e2e4 |
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A27 |
English: three knights system 1. c2c4 e7e5 2. ![]() ![]() ![]() |
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A28 |
English: four knights system 1. c2c4 e7e5 2. ![]() ![]() ![]() ![]() |
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A28 |
English: Nenarokov variation 1. c2c4 e7e5 2. ![]() ![]() ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() ![]() |
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A28 |
English: Bradley Beach variation 1. c2c4 e7e5 2. ![]() ![]() ![]() ![]() |
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A28 |
English: four knights, Nimzovich variation 1. c2c4 e7e5 2. ![]() ![]() ![]() ![]() |
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A28 |
English: four knights, Marini variation 1. c2c4 e7e5 2. ![]() ![]() ![]() ![]() |
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A28 |
English: four knights, Capablanca variation 1. c2c4 e7e5 2. ![]() ![]() ![]() ![]() |
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A28 |
English: four knights, 4.e3 1. c2c4 e7e5 2. ![]() ![]() ![]() ![]() |
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A28 |
English: four knights, Stean variation 1. c2c4 e7e5 2. ![]() ![]() ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() |
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A28 |
English: four knights, Romanishin variation 1. c2c4 e7e5 2. ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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A29 |
English: four knights, kingside fianchetto 1. c2c4 e7e5 2. ![]() ![]() ![]() ![]() |
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A30 |
English: symmetrical variation 1. c2c4 c7c5 |
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A30 |
English: symmetrical, hedgehog system 1. c2c4 c7c5 2. ![]() ![]() ![]() ![]() 6. ![]() ![]() |
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A30 |
English: symmetrical, hedgehog, flexible formation 1. c2c4 c7c5 2. ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() ![]() ![]() |
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A31 |
English: symmetrical, Benoni formation 1. c2c4 c7c5 2. ![]() ![]() |
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A32 |
English: symmetrical variation 1. c2c4 c7c5 2. ![]() ![]() ![]() |
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A33 |
English: symmetrical variation 1. c2c4 c7c5 2. ![]() ![]() ![]() ![]() ![]() |
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A33 |
English: symmetrical, Geller variation 1. c2c4 c7c5 2. ![]() ![]() ![]() ![]() ![]() 6. g2g3 ![]() |
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A34 |
English: symmetrical variation 1. c2c4 c7c5 2. ![]() |
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A34 |
English: symmetrical, three knights system 1. c2c4 c7c5 2. ![]() ![]() ![]() ![]() |
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A34 |
English: symmetrical variation 1. c2c4 c7c5 2. ![]() ![]() |
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A34 |
English: symmetrical, Rubinstein system 1. c2c4 c7c5 2. ![]() ![]() ![]() ![]() ![]() |
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A35 |
English: symmetrical variation 1. c2c4 c7c5 2. ![]() ![]() |
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A35 |
English: symmetrical, four knights system 1. c2c4 c7c5 2. ![]() ![]() ![]() ![]() |
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A36 |
English: symmetrical variation 1. c2c4 c7c5 2. ![]() ![]() |
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A36 |
English: ultra-symmetrical variation 1. c2c4 c7c5 2. ![]() ![]() ![]() ![]() |
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A36 |
English: symmetrical, Botvinnik system reversed 1. c2c4 c7c5 2. ![]() ![]() ![]() ![]() |
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A36 |
English: symmetrical, Botvinnik system 1. c2c4 c7c5 2. ![]() ![]() ![]() ![]() |
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A37 |
English: symmetrical variation 1. c2c4 c7c5 2. ![]() ![]() ![]() ![]() ![]() |
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A37 |
English: symmetrical, Botvinnik system reversed 1. c2c4 c7c5 2. ![]() ![]() ![]() ![]() ![]() |
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A38 |
English: symmetrical variation 1. c2c4 c7c5 2. ![]() ![]() ![]() ![]() ![]() ![]() |
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A38 |
English: symmetrical, main line with d3 1. c2c4 c7c5 2. ![]() ![]() ![]() ![]() ![]() ![]() 6. 0-0 0-0 7. d2d3 |
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A38 |
English: symmetrical, main line with b3 1. c2c4 c7c5 2. ![]() ![]() ![]() ![]() ![]() ![]() 6. 0-0 0-0 7. b2b3 |
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A39 |
English: symmetrical, main line with d4 1. c2c4 c7c5 2. ![]() ![]() ![]() ![]() ![]() ![]() 6. 0-0 0-0 7. d2d4 |
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