English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3
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Statistics from Lichess
50,519 games: White 49.3% / Draw 8.1% / Black 42.5%
| Next move | Games | White / Draw / BlackW / D / B |
|---|---|---|
| 42,32942K | ||
| 2,2192,219 | ||
| 1,5871,587 | ||
| 1,2641,264 | ||
| 1,0031,003 | ||
| 811811 | ||
| 569569 | ||
| 196196 |
Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Nov 1, 2026
Engine evaluation
−0.02 The position is about equal
Best play: 5... d4 6. e3 c5 7. exd4 cxd4 8. O-O Nc6 9. d3 O-O 10. Re1
Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.
Overview
English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3 (ECO A14, Flank Openings) is a variation of the English Opening: Neo-Catalan Declined, reached after 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. b3 (5 moves).
In 50,519 rated Lichess games between players rated 1600 to 2500, White won 49.3%, Black 42.5% and 8.1% were drawn. Black's most played move here is 5…O-O, in 84% of those games.
It branches into 2 named variations.
Written from the Lichess opening list and explorer. Know this line well? Write about it.
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Variations (2)
Cite this page
Caissa Codex. “English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3 (A14)”. Lichess data as of 1 Nov 2026. https://chesscodex.org/openings/english-opening-agincourt-defense-neo-catalan-declined-early-b3