LibreChessFree chess. Forever.
Chess openingsECO A

Chess opening

English Opening: Agincourt Defense, Catalan DefenseA13

The English Opening: Agincourt Defense, Catalan Defense is a chess opening classified under ECO code A13. It is reached after the moves:

1. c4 e6 2. Nf3 d5 3. g3 b6 4. Bg2 Bb7 5. O-O
Position after 1. c4 e6 2. Nf3 d5 3. g3 b6 4. Bg2 Bb7 5. O-O

Play it vs Stockfish Open in analysis board

Comes from

Related lines in the English Opening

Train this opening

LibreChess runs Stockfish in your browser — play the English Opening against the engine at any strength, get hints, and review your game move by move afterwards. Free, no account needed. You can also add this line to your repertoire and drill it with spaced repetition.