ECO C39 · King's Gambit Accepted

King's Gambit Accepted: Allgaier Gambit, Thorold Attack

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. d4

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

7… Nf6−1.24

Black is clearly better. Stockfish 18, depth 18.

Analyze this position

In the King's Gambit Accepted: Allgaier Gambit, Thorold Attack (C39), reached after 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. d4, Stockfish 18 recommends 7… Nf6 for Black. Black is clearly better (−1.24).

Top engine moves

  1. −1.247… Nf6 8. Bxf4 d5 9. Nc3 Kg7 10. Bb5 dxe4 11. O-O Bd6 12. Qd2
  2. −1.167… d5 8. Nc3 Nf6 9. Bxf4 Kg7 10. Bb5 dxe4 11. O-O Bd6 12. Qd2
  3. −1.157… f3 8. Nc3 Be7 9. Bc4+ Kg7 10. gxf3 Bxh4+ 11. Kf1 d6 12. Qe2

Frequently asked questions

What is the best move in the King's Gambit Accepted: Allgaier Gambit, Thorold Attack?
After 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. d4, Stockfish 18 at depth 18 recommends 7… Nf6 for Black, continuing 8. Bxf4 d5 9. Nc3 Kg7 10. Bb5 dxe4 11. O-O Bd6 12. Qd2. Black is clearly better (−1.24). The next best moves are 7… d5 (−1.16) and 7… f3 (−1.15).
Is the King's Gambit Accepted: Allgaier Gambit, Thorold Attack a good opening?
Stockfish rates the position at −1.24: black is clearly 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: Allgaier Gambit, Thorold Attack?
C39. 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+).