ECO C35 · King's Gambit Accepted

King's Gambit Accepted: Cunningham Defense, Bertin Gambit

1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. g3

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Black to move. The arrow shows Stockfish’s best move.
Best move

5… fxg3−0.77

Black is slightly better. Stockfish 18, depth 18.

Analyze this position

In the King's Gambit Accepted: Cunningham Defense, Bertin Gambit (C35), reached after 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. g3, Stockfish 18 recommends 5… fxg3 for Black. Black is slightly better (−0.77).

Top engine moves

  1. −0.775… fxg3 6. O-O d5 7. exd5 Bh3 8. Re1+ Kf8 9. Re4 gxh2+ 10. Kxh2
  2. −0.455… d5 6. gxh4 dxc4 7. d4 cxd3 8. Qxd3 Qxd3 9. cxd3 Bg4 10. Ne5
  3. +0.215… Be7 6. Nc3 c6 7. Ne5 Nh6 8. d4 d6 9. Nf3 b5 10. Bd3

Other move orders

  • 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. g3 fxg3 6. O-O gxh2+ 7. Kh1

Frequently asked questions

What is the best move in the King's Gambit Accepted: Cunningham Defense, Bertin Gambit?
After 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. g3, Stockfish 18 at depth 18 recommends 5… fxg3 for Black, continuing 6. O-O d5 7. exd5 Bh3 8. Re1+ Kf8 9. Re4 gxh2+ 10. Kxh2. Black is slightly better (−0.77). The next best moves are 5… d5 (−0.45) and 5… Be7 (+0.21).
Is the King's Gambit Accepted: Cunningham Defense, Bertin Gambit a good opening?
Stockfish rates the position at −0.77: black is slightly better. Evaluations this early in the game are small, so practical results depend far more on knowing the plans and typical structures than on the engine's number.
What is the ECO code of the King's Gambit Accepted: Cunningham Defense, Bertin Gambit?
C35. ECO codes classify chess openings from A00 to E99; C is the volume for open games and the French Defense.

Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).