ECO C39 · King's Gambit Accepted

King's Gambit Accepted: Kieseritzky Gambit, Brentano Defense

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d5

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

6. d4+0.44

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the King's Gambit Accepted: Kieseritzky Gambit, Brentano Defense (C39), reached after 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d5, Stockfish 18 recommends 6. d4 for White. White is slightly better (+0.44).

Top engine moves

  1. +0.446. d4 f6 7. Nd3 f3 8. exd5 Qxd5 9. Nc3 Qe6+ 10. Kf2 Qb6
  2. −0.336. exd5 Qe7 7. Qe2 Nf6 8. d4 Nh5 9. Nc3 Ng3 10. Qc4 Nxh1
  3. −1.056. d3 Nf6 7. d4 Bh6 8. exd5 Nxd5 9. Bc4 O-O 10. O-O Nc6

Other move orders

  • 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d5 6. d4 Nf6 7. Bxf4

Variations

Frequently asked questions

What is the best move in the King's Gambit Accepted: Kieseritzky Gambit, Brentano Defense?
After 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d5, Stockfish 18 at depth 18 recommends 6. d4 for White, continuing f6 7. Nd3 f3 8. exd5 Qxd5 9. Nc3 Qe6+ 10. Kf2 Qb6. White is slightly better (+0.44). The next best moves are 6. exd5 (−0.33) and 6. d3 (−1.05).
Is the King's Gambit Accepted: Kieseritzky Gambit, Brentano Defense a good opening?
Stockfish rates the position at +0.44: white 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, Brentano 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+).