A14
English Opening: Agincourt Defense, Keres Defense
1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O c5 6. cxd5 Nxd5 7. Nc3 Nc6
The English Opening: Agincourt Defense, Keres Defense is a chess opening classified under ECO code A14. It is reached after the moves 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O c5 6. cxd5 Nxd5 7. Nc3 Nc6.
It belongs to the English Opening family — one of many ways the line can branch. Understanding the parent system’s plans is the fastest way to play this variation well.
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