ECO C39 · King's Gambit Accepted

King's Gambit Accepted: Kieseritzky Gambit, Berlin Defense

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6

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

6. Nxg4−0.44

Black is slightly better. Stockfish 18, depth 18.

Analyze this position

In the King's Gambit Accepted: Kieseritzky Gambit, Berlin Defense (C39), reached after 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6, Stockfish 18 recommends 6. Nxg4 for White. Black is slightly better (−0.44).

Top engine moves

  1. −0.446. Nxg4 d5 7. Nxf6+ Qxf6 8. exd5 Bd6 9. Nc3 Qg7 10. Qf3 Bg4
  2. −0.626. d4 d6 7. Nd3 Nxe4 8. Bxf4 Nc6 9. c3 Qe7 10. Be2 Bf5
  3. −1.046. Bc4 d5 7. exd5 Bd6 8. d4 Nh5 9. O-O O-O 10. Rxf4 Nxf4

Variations

Frequently asked questions

What is the best move in the King's Gambit Accepted: Kieseritzky Gambit, Berlin Defense?
After 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6, Stockfish 18 at depth 18 recommends 6. Nxg4 for White, continuing d5 7. Nxf6+ Qxf6 8. exd5 Bd6 9. Nc3 Qg7 10. Qf3 Bg4. Black is slightly better (−0.44). The next best moves are 6. d4 (−0.62) and 6. Bc4 (−1.04).
Is the King's Gambit Accepted: Kieseritzky Gambit, Berlin Defense a good opening?
Stockfish rates the position at −0.44: 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, Berlin Defense?
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+).