ECO C25 · Vienna Game

Vienna Game: Hamppe-Muzio, Dubois Variation

1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. Bc4 g4 6. O-O gxf3 7. Qxf3 Ne5 8. Qxf4 Qf6

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

9. Qxf6−0.30

Black is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Vienna Game: Hamppe-Muzio, Dubois Variation (C25), reached after 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. Bc4 g4 6. O-O gxf3 7. Qxf3 Ne5 8. Qxf4 Qf6, Stockfish 18 recommends 9. Qxf6 for White. Black is slightly better (−0.30).

Top engine moves

  1. −0.309. Qxf6 Nxf6 10. Bb3 Bc5+ 11. Kh1 Nfg4 12. Nb5 c6 13. Nc7+ Ke7
  2. −1.059. Qg3 Qg7 10. Qxg7 Bxg7 11. Bb3 c5 12. Nb5 Kd8 13. d4 cxd4
  3. −1.689. d3 Qxf4 10. Bxf4 Nxc4 11. Nb5 Nb6 12. a4 a5 13. Nxc7+ Kd8

Frequently asked questions

What is the best move in the Vienna Game: Hamppe-Muzio, Dubois Variation?
After 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. Bc4 g4 6. O-O gxf3 7. Qxf3 Ne5 8. Qxf4 Qf6, Stockfish 18 at depth 18 recommends 9. Qxf6 for White, continuing Nxf6 10. Bb3 Bc5+ 11. Kh1 Nfg4 12. Nb5 c6 13. Nc7+ Ke7. Black is slightly better (−0.30). The next best moves are 9. Qg3 (−1.05) and 9. d3 (−1.68).
Is the Vienna Game: Hamppe-Muzio, Dubois Variation a good opening?
Stockfish rates the position at −0.30: 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 Vienna Game: Hamppe-Muzio, Dubois Variation?
C25. 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+).