English Opening: Agincourt Defense (5… O-O 6. d4)
1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Be7 5. e3 O-O 6. d4
The English Opening: Agincourt Defense is a chess opening classified as ECO A13, reached after 1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Be7 5. e3 O-O 6. d4. 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 1 times by this move order. White won 100%, 0% were drawn and Black won 0%. The most popular continuation is 6… c6 (100% of games).
Engine evaluation: 0.00 (Stockfish, depth 48; best line 6… c5 7. Nc3 cxd4 8. Nxd4 e5 9. Nf3)
- ECO
- A13
- Moves
- 11 plies
- FEN
rnbq1rk1/ppp1bppp/4pn2/3p4/2PP4/1P2PN2/PB3PPP/RN1QKB1R b KQ - 0 6- PGN
1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Be7 5. e3 O-O 6. d4
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 1500-1999 | 1 | |
| All | 1 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 6… c6 | 1 (100%) |
Master games
2 over-the-board games are classified under this line (White 100%, draw 0%, Black 0%). The strongest:
- GM Azer Mirzoev (2454) – FM Martin Horak (2362) 1-0 · Titled Tue 15th Oct Late · 2024-10-15
- FM Christian Hess (2231) – Manfred Kroencke (2021) 1-0 · VMCG Open A 2016 · 2016-07-02
Search all games of the English Opening: Agincourt Defense and its sub-variations
Highest-rated Lichess games
- rupazhe (1750) – saminjah (1670) 1-0 · 2026-09-02 · 300 + 4s
Comes from
English Opening: Agincourt Defense (5. e3 O-O) 1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Be7 5. e3 O-O
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.