A13
English Opening: Agincourt Defense, Catalan Defense Accepted
1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 dxc4
The English Opening: Agincourt Defense, Catalan Defense Accepted is a chess opening classified under ECO code A13. It is reached after the moves 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 dxc4.
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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