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 e5
- 1. d4 Nf6 2. c4 e5 3. dxe5 Ne4
- 1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. Qc2
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1. d4 Nf6 2. c4 e5 3. dxe5 Ng4
- 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3
- 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4
- 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4
- 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 Nxe5 5. f4 Nec6
- 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 d6