Source Lichess
White wins at least 24.6 more of every 100 games than it loses
how far wins run ahead of losses, 90% confident
At All Ratings, Vienna Game: Hamppe-Muzio Gambit keeps White's wins running +24.6% ahead of its losses at worst, 90% confident, from 621 Lichess games. This gambit is effective. Win rate, draw rate and loss rate come from games played December 2023 to November 2025.
| Rating | Edge at worst | White Win | Draw | White Loss | Games |
|---|---|---|---|---|---|
| 1400-1599 | −1.5% | 60.0% | 1.0% | 39.0% | 51 |
| 1600-1799 | +28.6% | 69.8% | 2.9% | 27.3% | 121 |
| 1800-1999 | +13.7% | 62.2% | 1.5% | 36.3% | 168 |
| 2000-2199 | +24.7% | 67.9% | 1.7% | 30.4% | 145 |
| 2200-2499 | +14.6% | 65.2% | 1.9% | 32.9% | 79 |
At some ratings. White comes out ahead at 1600-2499; at the other ratings we can see, the games do not show it paying.
White wins 64.8% of Vienna Game: Hamppe-Muzio Gambit games, draws 1.4% and loses 33.8%. That rests on 621 games from Lichess.
1600-1799. There White wins at least 28.6 more of every 100 games than it loses (90% confident), its highest Edge at worst.
Blitz. For White, the Edge at worst — how far wins run ahead of losses, 90% confident — is +26.1% in Blitz (314 games) and +18.5% in Rapid (51 games).
No. In Blitz, White comes out ahead at every rating we can see. In Bullet, White comes out ahead at 2000-2199, the only rating with enough games. Across all clocks together, it falls short at 1400-1599.
The Vienna Game: Hamppe-Muzio Gambit is extremely sharp: 1.4% of its games are drawn, so 98.6% end with a winner.
At 1600-2499, where White comes out ahead. At the other ratings we can see, the games do not show it paying.
As Black, take the material, then develop fast, castle early, and trade pieces. Give the material back when doing so kills the attack. At 1600-2499, White still comes out ahead in these games; at the other ratings we can see, the games do not show the gambit paying.
This rests on 621 games from Lichess. Every figure carries the range it is in, 90% confident, and the table above shows how many games sit behind each rating and each clock — the fewer there are, the wider that range.