English Opening: Agincourt Defense, Neo-Catalan Declined (4… Be7 5. O-O)

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O

English Opening: Agincourt Defense, Neo-Catalan Declined after 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O 87654321abcdefgh

The English Opening: Agincourt Defense, Neo-Catalan Declined is a chess opening classified as ECO A14, reached after 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O. It is a line of the English Opening. Black is to move. 2 named lines continue from this position.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 126 times by this move order. White won 42%, 7% were drawn and Black won 51%. The most popular continuation is 5… O-O (90% of games).

Engine evaluation: +0.10 (Stockfish, depth 52; best line 5… O-O 6. d4 dxc4 7. Qc2 a6 8. a4)

ECO
A14
Moves
9 plies
FEN
rnbqk2r/ppp1bppp/4pn2/3p4/2P5/5NP1/PP1PPPBP/RNBQ1RK1 b kq - 4 5
PGN
1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O

Analyse with Stockfish · Board image (SVG) · Open on Lichess

Results by rating

Average ratingGamesWhite / draw / Black
1500-1999850%50%
2000+11842%51%
All12642%51%

Most played moves

MoveGamesWhite / draw / Black
5… O-O114 (90%)43%50%
5… c65 (4%)40%60%
5… dxc43 (2%)33%67%
5… Nbd72 (2%)50%50%
5… d41 (1%)100%
5… c51 (1%)100%

Master games

471 over-the-board games are classified under this line (White 47%, draw 29%, Black 24%). The strongest:

Search all games of the English Opening: Agincourt Defense, Neo-Catalan Declined and its sub-variations

Highest-rated Lichess games

Comes from

English Opening: Neo-Catalan Declined 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7

Continuations

More English Opening lines (all)

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.