What is the Bird Opening: Williams Gambit expected score for White?
At all ratings, the Bird Opening: Williams Gambit has a 48.5% expected score for White (we're 90% confident it's between 48.4% and 48.6%), based on 983K Lichess games.
983K games from Lichess · Updated January 2026
At all ratings, the Bird Opening: Williams Gambit has a 48.5% expected score for White (we're 90% confident it's between 48.4% and 48.6%), based on 983K Lichess games.
Deep-dive datasets for this opening
Improves with rating: 42% → 49%
Best in Bullet (48%), worst in Classical (35%)
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 Bird Opening: Williams Gambit has a 47.0% (90% CI: 46.9%-47.1%) win rate for white, based on 983K rated games from Lichess.
The Bird Opening: Williams Gambit performs best at 1800-1999 Elo with a 48.1% win rate for white (210K games). Win rate tends to decline at higher ratings as opponents know the theory better.
Bullet (48.4%) outperforms Classical (34.6%) by 13.8%. Choose your time control wisely.
The Bird Opening: Williams Gambit has a sharpness score of 97.1 (very decisive), meaning 97.1% of games end decisively. Average game length is 30 moves.
At 0-999 Elo, the Bird Opening: Williams Gambit has a 41.5% (90% CI: 41.1%-41.8%) win rate for white, based on 43K Lichess games. Average game length is 25 moves with a 3.5% draw rate.
At 1000-1199 Elo, the Bird Opening: Williams Gambit has a 45.7% (90% CI: 45.4%-46.0%) win rate for white, based on 73K Lichess games. Average game length is 26 moves with a 2.4% draw rate.
At 1200-1399 Elo, the Bird Opening: Williams Gambit has a 46.5% (90% CI: 46.3%-46.8%) win rate for white, based on 118K Lichess games. Average game length is 28 moves with a 2.4% draw rate.
At 1400-1599 Elo, the Bird Opening: Williams Gambit has a 46.6% (90% CI: 46.4%-46.8%) win rate for white, based on 190K Lichess games. Average game length is 29 moves with a 2.4% draw rate.
At 1600-1799 Elo, the Bird Opening: Williams Gambit has a 47.5% (90% CI: 47.4%-47.7%) win rate for white, based on 249K Lichess games. Average game length is 31 moves with a 2.8% draw rate.
At 1800-1999 Elo, the Bird Opening: Williams Gambit has a 48.1% (90% CI: 47.9%-48.3%) win rate for white, based on 210K Lichess games. Average game length is 33 moves with a 3.2% draw rate.
At 2000-2199 Elo, the Bird Opening: Williams Gambit has a 48.2% (90% CI: 47.9%-48.5%) win rate for white, based on 83K Lichess games. Average game length is 34 moves with a 3.7% draw rate.
At 2200-2499 Elo, the Bird Opening: Williams Gambit has a 48.6% (90% CI: 47.9%-49.2%) win rate for white, based on 16K Lichess games. Average game length is 36 moves with a 4.3% draw rate.
At 2500+ Elo, the Bird Opening: Williams Gambit has a 48.5% (90% CI: 45.5%-51.5%) win rate for white, based on 760 Lichess games. Average game length is 39 moves with a 6.2% draw rate.
In UltraBullet games, the Bird Opening: Williams Gambit has a 44.7% (90% CI: 43.9%-45.5%) win rate for white (9.8K Lichess games). Draw rate is 1.0%.
In Bullet games, the Bird Opening: Williams Gambit has a 48.4% (90% CI: 48.3%-48.5%) win rate for white (622K Lichess games). Draw rate is 2.5%.
In Blitz games, the Bird Opening: Williams Gambit has a 45.2% (90% CI: 45.0%-45.3%) win rate for white (306K Lichess games). Draw rate is 3.6%.
In Rapid games, the Bird Opening: Williams Gambit has a 41.7% (90% CI: 41.4%-42.1%) win rate for white (44K Lichess games). Draw rate is 4.2%.
In Classical games, the Bird Opening: Williams Gambit has a 34.6% (90% CI: 32.5%-36.8%) win rate for white (1.4K Lichess games). Draw rate is 3.1%.
The Bird Opening: Williams Gambit is statistically balanced with a 47.0% (90% CI: 46.9%-47.1%) 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.