ECO C39 · King's Gambit Accepted

King's Gambit Accepted: Kieseritzky Gambit

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5

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

5… Nf6−0.71

Black is slightly better. Stockfish 18, depth 18.

Analyze this position

In the King's Gambit Accepted: Kieseritzky Gambit (C39), reached after 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5, Stockfish 18 recommends 5… Nf6 for Black. Black is slightly better (−0.71).

Top engine moves

  1. −0.715… Nf6 6. d4 d6 7. Nd3 Nxe4 8. Bxf4 Qe7 9. Be2 Bg7 10. Nc3
  2. −0.345… d6 6. Nxg4 Be7 7. d4 Bxh4+ 8. Nf2 Qg5 9. Qf3 Nc6 10. Qxf4
  3. −0.325… Qe7 6. d4 d6 7. Nxg4 Qxe4+ 8. Qe2 Qxe2+ 9. Bxe2 Nc6 10. c3

Variations

Frequently asked questions

What is the best move in the King's Gambit Accepted: Kieseritzky Gambit?
After 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5, Stockfish 18 at depth 18 recommends 5… Nf6 for Black, continuing 6. d4 d6 7. Nd3 Nxe4 8. Bxf4 Qe7 9. Be2 Bg7 10. Nc3. Black is slightly better (−0.71). The next best moves are 5… d6 (−0.34) and 5… Qe7 (−0.32).
Is the King's Gambit Accepted: Kieseritzky Gambit a good opening?
Stockfish rates the position at −0.71: 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: Kieseritzky Gambit?
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+).