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ECO CODES | |
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(Click on an opening description to see diagram) |
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A20 - A29 |
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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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