Caissa Codex
A40

English Defense: Hartlaub Gambit Accepted

Chess diagram: English Defense: Hartlaub Gambit Accepted after 5…Nf6

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Statistics from Lichess

842 games: White 53.9% / Draw 3.9% / Black 42.2%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
720720
6565
3030
99
77
77
11
11

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Nov 1, 2026

Engine evaluation

+2.32 White is clearly better

Best play: 6. fxe6 dxe6 7. Nf3 Bd6 8. Be2 O-O 9. O-O Nc6 10. Be3 Qe8

Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.

Overview

English Defense: Hartlaub Gambit Accepted (ECO A40, Flank Openings) is a gambit in the English Opening: Agincourt Defense, reached after 1. c4 e6 2. d4 b6 3. Nc3 Bb7 4. e4 f5 5. exf5 Nf6 (5 moves).

In 842 rated Lichess games between players rated 1600 to 2500, White won 53.9%, Black 42.2% and 3.9% were drawn. White's most played move here is 6. fxe6, in 86% of those games.

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Other lines from the same position

Instead of 2. d4 b6 3. Nc3 Bb7 4. e4 f5 5. exf5 Nf6, the position after English Opening: Agincourt Defense also goes on to:

Cite this page

Caissa Codex. “English Defense: Hartlaub Gambit Accepted (A40)”. Lichess data as of 1 Nov 2026. https://chesscodex.org/openings/english-defense-hartlaub-gambit-accepted

https://chesscodex.org/openings/english-defense-hartlaub-gambit-accepted