15K games from Lichess · Updated January 2026
At all ratings, the King's Gambit Accepted: Rosentreter Gambit, Testa Variation has a 57.0% expected score for White (we're 90% confident it's between 56.4% and 57.7%), based on 15K Lichess games.
Deep-dive datasets for this opening
Stable across ratings (~60%)
Best in UltraBullet (82%), worst in Classical (46%)
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: Rosentreter Gambit, Testa Variation has a 55.7% (90% CI: 55.1%-56.4%) win rate for white, based on 15K rated games from Lichess.
The King's Gambit Accepted: Rosentreter Gambit, Testa Variation performs best at 1200-1399 Elo with a 59.6% win rate for white (733 games). Win rate tends to decline at higher ratings as opponents know the theory better.
Bullet (58.8%) outperforms Classical (45.6%) by 13.2%. Choose your time control wisely.
The King's Gambit Accepted: Rosentreter Gambit, Testa Variation has a sharpness score of 97.4 (very decisive), meaning 97.4% of games end decisively. Average game length is 29 moves.
At 1000-1199 Elo, the King's Gambit Accepted: Rosentreter Gambit, Testa Variation has a 60.9% (90% CI: 55.9%-65.9%) win rate for white, based on 252 Lichess games. Average game length is 23 moves with a 2.2% draw rate.
At 1200-1399 Elo, the King's Gambit Accepted: Rosentreter Gambit, Testa Variation has a 59.6% (90% CI: 56.6%-62.5%) win rate for white, based on 733 Lichess games. Average game length is 24 moves with a 1.7% draw rate.
At 1400-1599 Elo, the King's Gambit Accepted: Rosentreter Gambit, Testa Variation has a 56.2% (90% CI: 54.4%-58.1%) win rate for white, based on 1.9K Lichess games. Average game length is 26 moves with a 2.4% draw rate.
At 1600-1799 Elo, the King's Gambit Accepted: Rosentreter Gambit, Testa Variation has a 54.7% (90% CI: 53.4%-56.0%) win rate for white, based on 4.0K Lichess games. Average game length is 29 moves with a 2.7% draw rate.
At 1800-1999 Elo, the King's Gambit Accepted: Rosentreter Gambit, Testa Variation has a 56.0% (90% CI: 54.8%-57.2%) win rate for white, based on 5.0K Lichess games. Average game length is 31 moves with a 2.6% draw rate.
At 2000-2199 Elo, the King's Gambit Accepted: Rosentreter Gambit, Testa Variation has a 54.8% (90% CI: 53.1%-56.5%) win rate for white, based on 2.4K Lichess games. Average game length is 32 moves with a 2.7% draw rate.
At 2200-2499 Elo, the King's Gambit Accepted: Rosentreter Gambit, Testa Variation has a 54.0% (90% CI: 50.8%-57.3%) win rate for white, based on 638 Lichess games. Average game length is 31 moves with a 4.0% draw rate.
In Bullet games, the King's Gambit Accepted: Rosentreter Gambit, Testa Variation has a 58.8% (90% CI: 57.5%-60.0%) win rate for white (4.1K Lichess games). Draw rate is 1.7%.
In Blitz games, the King's Gambit Accepted: Rosentreter Gambit, Testa Variation has a 55.4% (90% CI: 54.5%-56.3%) win rate for white (9.0K Lichess games). Draw rate is 2.9%.
In Rapid games, the King's Gambit Accepted: Rosentreter Gambit, Testa Variation has a 50.8% (90% CI: 48.9%-52.8%) win rate for white (1.8K Lichess games). Draw rate is 3.2%.
The King's Gambit Accepted: Rosentreter Gambit, Testa Variation is statistically favors white with a 55.7% (90% CI: 55.1%-56.4%) win rate across all ratings. It performs best at 1200-1399 Elo. Your results depend on your rating, time control, and how well you know the typical plans.