ECO Codes
The ECO Codes is a classification system for the chess openings moves. Below is a list of chess openings organized by the Encyclopaedia of Chess Openings (ECO) code. The openings are divided in five volumes labeled from "A" through "E".
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1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
- 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3
- 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qd3
- 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3
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1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3
- 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5
- 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5 Ne4
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1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3
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1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3
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1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5
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1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2
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1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3
- 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Nc6
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1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5
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1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6
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1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ba6
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1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O
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1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3
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1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3
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1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 b6