English Opening: Agincourt Defense, Catalan Defense (4… Bb7 5. O-O)
1. c4 e6 2. Nf3 d5 3. g3 b6 4. Bg2 Bb7 5. O-O
The English Opening: Agincourt Defense, Catalan Defense is a chess opening classified as ECO A13, reached after 1. c4 e6 2. Nf3 d5 3. g3 b6 4. Bg2 Bb7 5. O-O. It is a line of the English Opening. Black is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 4 times by this move order. White won 75%, 25% were drawn and Black won 0%. The most popular continuation is 5… Nf6 (75% of games).
Engine evaluation: +0.04 (Stockfish, depth 35; best line 5… dxc4 6. Qa4+ Nd7 7. Qxc4 Ngf6 8. Rd1)
- ECO
- A13
- Moves
- 9 plies
- FEN
rn1qkbnr/pbp2ppp/1p2p3/3p4/2P5/5NP1/PP1PPPBP/RNBQ1RK1 b kq - 3 5- PGN
1. c4 e6 2. Nf3 d5 3. g3 b6 4. Bg2 Bb7 5. O-O
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 1 | |
| 2000+ | 3 | |
| All | 4 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 5… Nf6 | 3 (75%) | |
| 5… dxc4 | 1 (25%) |
Master games
5 over-the-board games are classified under this line (White 80%, draw 0%, Black 20%). The strongest:
- GM Jose Eduardo Martinez Alcantara (2611) – IM Alexandros Papasimakopoulos (2366) 1-0 · Titled Tue 27th May Early · 2025-05-27
- GM Diego Flores (2534) – CM Zachary Tanenbaum (2285) 1-0 · AI Cup Play-In 2023 · 2023-09-18
- FM Artem Dyachuk (2312) – IM Sam Schmakel (2420) 1-0 · Titled Tue 2nd May Early · 2023-05-02
- CM Batuhan Ozen (2128) – FM Alexandros Papasimakopoulos (2409) 0-1 · Titled Tue 22nd Aug Late · 2023-08-22
- Laura Le Marec (1714) – Lisa Costa Boschetto (1232) 1-0 · Trophee Roza Lallemand · 2020-12-13
Search all games of the English Opening: Agincourt Defense, Catalan Defense and its sub-variations
Highest-rated Lichess games
- SAMF64 (2500) – Arrroww (2460) 1/2-1/2 · 2026-09-06 · 180 + 0s
- Bubuvche (2384) – DimonOff24 (2297) 1-0 · 2026-09-01 · 180 + 0s
- vaughn_oberio123 (2289) – yunoPrep (2338) 1-0 · 2026-09-03 · 600 + 0s
Comes from
English Opening: Agincourt Defense (2. Nf3 d5) 1. c4 e6 2. Nf3 d5
More English Opening lines (all)
- English Opening A10
- English Opening: Achilles-Omega Gambit A10
- English Opening: Adorjan Defense A10
- English Opening: Anglo-Dutch Defense A10
- English Opening: Anglo-Dutch Defense, Hickmann Gambit A10
- English Opening: Anglo-Dutch Variation, Chabanon Gambit A10
- English Opening: Anglo-Dutch Variation, Ferenc Gambit A10
- English Opening: Anglo-Lithuanian Variation A10
- English Opening: Anglo-Scandinavian Defense A10
- English Opening: Anglo-Scandinavian Defense, Löhn Gambit A10
- English Opening: Anglo-Scandinavian Defense, Malvinas Variation A10
- English Opening: Anglo-Scandinavian Defense, Schulz Gambit A10
Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.