ECO C25 · Vienna Game

Vienna Game: Hamppe-Muzio Gambit

1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. Bc4 g4 6. O-O

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

6… gxf3−1.39

Black is clearly better. Stockfish 18, depth 18.

Analyze this position

In the Vienna Game: Hamppe-Muzio Gambit (C25), reached after 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. Bc4 g4 6. O-O, Stockfish 18 recommends 6… gxf3 for Black. Black is clearly better (−1.39).

Top engine moves

  1. −1.396… gxf3 7. Qxf3 Qh4 8. d4 Nxd4 9. Qxf4 Qxf4 10. Bxf4 Bc5 11. Kh1
  2. +0.196… Bg7 7. Ne1 f3 8. Nxf3 gxf3 9. Qxf3 Qf6 10. Bxf7+ Kd8 11. Qh5
  3. +0.606… d6 7. Ne1 Bg7 8. d3 h5 9. Bxf4 Be6 10. Nd5 Na5 11. Qe2

Frequently asked questions

What is the best move in the Vienna Game: Hamppe-Muzio Gambit?
After 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. Bc4 g4 6. O-O, Stockfish 18 at depth 18 recommends 6… gxf3 for Black, continuing 7. Qxf3 Qh4 8. d4 Nxd4 9. Qxf4 Qxf4 10. Bxf4 Bc5 11. Kh1. Black is clearly better (−1.39). The next best moves are 6… Bg7 (+0.19) and 6… d6 (+0.60).
Is the Vienna Game: Hamppe-Muzio Gambit a good opening?
Stockfish rates the position at −1.39: 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 Vienna Game: Hamppe-Muzio Gambit?
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+).