581 games from Lichess · Updated January 2026
At all ratings, the King's Gambit Accepted: Muzio Gambit, Brentano Defense has a 47.0% expected score for Black (we're 90% confident it's between 43.6% and 50.4%), based on 581 Lichess games.
Deep-dive datasets for this opening
Improves with rating: 14% → 44%
Best in Classical (69%), worst in Blitz (44%)
Click any cell to filter. Green = above 50%, Red = below 50%.
| Rating | UB | Bulle | Blitz | Rapid | Class |
|---|---|---|---|---|---|
| 0-999 | — | — | — | — | — |
| 1000-1199 | — | — | — | — | |
| 1200-1399 | — | — | |||
| 1400-1599 | — | ||||
| 1600-1799 | — | ||||
| 1800-1999 | — | ||||
| 2000-2199 | — | ||||
| 2200-2499 | — | — | |||
| 2500+ | — | — | — | — | — |
Expected score matrix by rating bracket and time control
The King's Gambit Accepted: Muzio Gambit, Brentano Defense has a 51.6% (90% CI: 48.2%-55.0%) win rate for white, based on 581 rated games from Lichess.
The King's Gambit Accepted: Muzio Gambit, Brentano Defense performs best at 1800-1999 Elo with a 54.8% win rate for white (211 games). Win rate tends to decline at higher ratings as opponents know the theory better.
Blitz (53.9%) outperforms Bullet (47.0%) by 6.9%. Choose your time control wisely.
The King's Gambit Accepted: Muzio Gambit, Brentano Defense has a sharpness score of 97.2 (very decisive), meaning 97.2% of games end decisively. Average game length is 29 moves.
At 1600-1799 Elo, the King's Gambit Accepted: Muzio Gambit, Brentano Defense has a 52.2% (90% CI: 45.4%-59.0%) win rate for white, based on 143 Lichess games. Average game length is 26 moves with a 2.4% draw rate.
At 1800-1999 Elo, the King's Gambit Accepted: Muzio Gambit, Brentano Defense has a 54.8% (90% CI: 49.2%-60.4%) win rate for white, based on 211 Lichess games. Average game length is 30 moves with a 3.1% draw rate.
At 2000-2199 Elo, the King's Gambit Accepted: Muzio Gambit, Brentano Defense has a 47.8% (90% CI: 41.0%-54.6%) win rate for white, based on 144 Lichess games. Average game length is 30 moves with a 3.8% draw rate.
In Bullet games, the King's Gambit Accepted: Muzio Gambit, Brentano Defense has a 47.0% (90% CI: 40.6%-53.5%) win rate for white (159 Lichess games). Draw rate is 4.7%.
In Blitz games, the King's Gambit Accepted: Muzio Gambit, Brentano Defense has a 53.9% (90% CI: 49.7%-58.1%) win rate for white (374 Lichess games). Draw rate is 2.3%.
The King's Gambit Accepted: Muzio Gambit, Brentano Defense is statistically balanced with a 51.6% (90% CI: 48.2%-55.0%) win rate across all ratings. It performs best at 1800-1999 Elo. Your results depend on your rating, time control, and how well you know the typical plans.