ECO C37 · King's Gambit Accepted

King's Gambit Accepted: Double Muzio Gambit, Paulsen Defense

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qf6 7. e5 Qxe5 8. d3 Bh6 9. Nc3 Ne7 10. Bd2 Nbc6 11. Rae1

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

11… Qd4+−1.58

Black is clearly better. Stockfish 18, depth 18.

Analyze this position

In the King's Gambit Accepted: Double Muzio Gambit, Paulsen Defense (C37), reached after 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qf6 7. e5 Qxe5 8. d3 Bh6 9. Nc3 Ne7 10. Bd2 Nbc6 11. Rae1, Stockfish 18 recommends 11… Qd4+ for Black. Black is clearly better (−1.58).

Top engine moves

  1. −1.5811… Qd4+ 12. Rf2 O-O 13. Nb5 Qg7 14. Bxf4 Bxf4 15. Qxf4 d5 16. Nxc7
  2. −1.1711… Qc5+ 12. Kh1 O-O 13. Bxf4 Bg7 14. Be3 Qb4 15. Bxf7+ Kh8 16. d4
  3. −1.1211… Qf5 12. Nd5 Kd8 13. Qe2 Qe6 14. Qf2 Qg6 15. Bxf4 Bxf4 16. Nxf4

Frequently asked questions

What is the best move in the King's Gambit Accepted: Double Muzio Gambit, Paulsen Defense?
After 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qf6 7. e5 Qxe5 8. d3 Bh6 9. Nc3 Ne7 10. Bd2 Nbc6 11. Rae1, Stockfish 18 at depth 18 recommends 11… Qd4+ for Black, continuing 12. Rf2 O-O 13. Nb5 Qg7 14. Bxf4 Bxf4 15. Qxf4 d5 16. Nxc7. Black is clearly better (−1.58). The next best moves are 11… Qc5+ (−1.17) and 11… Qf5 (−1.12).
Is the King's Gambit Accepted: Double Muzio Gambit, Paulsen Defense a good opening?
Stockfish rates the position at −1.58: 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: Double Muzio Gambit, Paulsen Defense?
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+).