ECO C37 · King's Gambit Accepted

King's Gambit Accepted: Muzio Gambit, Kling and Horwitz Counterattack

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O Qe7

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

6. Nc3+1.26

White is clearly better. Stockfish 18, depth 18.

Analyze this position

In the King's Gambit Accepted: Muzio Gambit, Kling and Horwitz Counterattack (C37), reached after 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O Qe7, Stockfish 18 recommends 6. Nc3 for White. White is clearly better (+1.26).

Top engine moves

  1. +1.266. Nc3 gxf3 7. d4 Bg7 8. Bxf4 Nc6 9. e5 Bxe5 10. dxe5 Qc5+
  2. +1.106. d4 gxf3 7. Nc3 Bg7 8. Bxf4 Nc6 9. e5 Bxe5 10. dxe5 Qc5+
  3. +0.316. Ne5 Qxe5 7. d4 Qg7 8. Bxf4 d6 9. Nc3 Be6 10. Qd3 Ne7

Frequently asked questions

What is the best move in the King's Gambit Accepted: Muzio Gambit, Kling and Horwitz Counterattack?
After 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O Qe7, Stockfish 18 at depth 18 recommends 6. Nc3 for White, continuing gxf3 7. d4 Bg7 8. Bxf4 Nc6 9. e5 Bxe5 10. dxe5 Qc5+. White is clearly better (+1.26). The next best moves are 6. d4 (+1.10) and 6. Ne5 (+0.31).
Is the King's Gambit Accepted: Muzio Gambit, Kling and Horwitz Counterattack a good opening?
Stockfish rates the position at +1.26: White is clearly better. That is a large edge for an opening position, so check the engine lines before playing it from the other side.
What is the ECO code of the King's Gambit Accepted: Muzio Gambit, Kling and Horwitz Counterattack?
C37. 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+).