ECO A13

English Opening: Agincourt Defense, Catalan Defense

English Opening: Agincourt Defense, Catalan Defense is a chess opening classified under ECO A13. Its defining line here is 1. c4 e6 2. Nf3 d5 3. g3 c5.

English Opening: Agincourt Defense, Catalan Defense — board position♜♞♝♛♚♝♞♜♟♟♟♟♟♟♟♟♟♞♟♟♟♟♟♟♟♜♞♝♛♚♝♜

1. c4 e6 2. Nf3 d5 3. g3 c5

Explore this opening ▸Add to my repertoireOpen in analysis

The diagram shows the position after 1. c4 e6 2. Nf3 d5 3. g3 c5. Play through it move by move in the interactive explorer.

Opening name, ECO code, and main line come from the Lichess open chess openings dataset.

Other catalogued lines with this name

  • A13: 1. c4 e6 2. Nf3 d5 3. g3 b6 4. Bg2 Bb7 5. O-O

Part of

Variations