English Opening: Agincourt Defense, Catalan Defense 4…Bb7 5. O-O
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Statistics from Lichess
14,033 games: White 56.1% / Draw 6.1% / Black 37.8%
| Next move | Games | White / Draw / BlackW / D / B |
|---|---|---|
| 5,2855,285 | ||
| 4,3854,385 | ||
| 923923 | ||
| 911911 | ||
| 758758 | ||
| 336336 | ||
| 253253 | ||
| 239239 |
Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 27, 2026
Engine evaluation
0.00 The position is about equal
Best play: 5... dxc4 6. Qa4+ Nd7 7. Qxc4 Ngf6 8. Nc3 a6 9. a4 c5 10. Rd1
Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.
Overview
English Opening: Agincourt Defense, Catalan Defense (ECO A13, Flank Openings) is a variation of the English Opening: Agincourt Defense, reached after 1. c4 e6 2. Nf3 d5 3. g3 b6 4. Bg2 Bb7 5. O-O (5 moves).
In 14,033 rated Lichess games between players rated 1600 to 2500, White won 56.1%, Black 37.8% and 6.1% were drawn. Black's most played move here is 5…Nf6, in 38% of those games.
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How to answer 5. O-O
5…Nd7 scores best for Black: 41.8%, with Black winning 39.0% and White 55.3% of 911 games. The most played, 5…Nf6, scores 41.8% in 5,285 games, and 5…c6 scores lowest: 37.8%. Stockfish's first choice is 5…dxc4.
Main answers: those played in at least 5% of these games. Score: Black's wins plus half the draws, in rated Lichess games between players rated 1600 to 2500. How to play against other popular openings
Cite this page
Caissa Codex. “English Opening: Agincourt Defense, Catalan Defense (A13)”. Lichess data as of 27 Oct 2026. https://chesscodex.org/openings/english-opening-agincourt-defense-catalan-defense-2