What is the Ruy Lopez: Bird's Defense Deferred expected score for White?
At all ratings, the Ruy Lopez: Bird's Defense Deferred has a 53.7% expected score for White (we're 90% confident it's between 53.1% and 54.4%), based on 16K Lichess games.
16K games from Lichess · Updated January 2026
At all ratings, the Ruy Lopez: Bird's Defense Deferred has a 53.7% expected score for White (we're 90% confident it's between 53.1% and 54.4%), based on 16K Lichess games.
Improves with rating: 53% → 59%
Best in Classical (57%), worst in Blitz (52%)
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 Ruy Lopez: Bird's Defense Deferred has a 52.2% (90% CI: 51.6%-52.9%) win rate for white, based on 16K rated games from Lichess.
The Ruy Lopez: Bird's Defense Deferred performs best at 2200-2499 Elo with a 65.9% win rate for white (66 games). Win rate tends to decline at higher ratings as opponents know the theory better.
Classical (57.4%) outperforms Blitz (51.6%) by 5.8%. Choose your time control wisely.
The Ruy Lopez: Bird's Defense Deferred has a sharpness score of 97.0 (very decisive), meaning 97.0% of games end decisively. Average game length is 30 moves.
At 0-999 Elo, the Ruy Lopez: Bird's Defense Deferred has a 52.7% (90% CI: 50.5%-55.0%) win rate for white, based on 1.3K Lichess games. Average game length is 25 moves with a 3.1% draw rate.
At 1000-1199 Elo, the Ruy Lopez: Bird's Defense Deferred has a 52.7% (90% CI: 51.0%-54.3%) win rate for white, based on 2.5K Lichess games. Average game length is 27 moves with a 2.1% draw rate.
At 1200-1399 Elo, the Ruy Lopez: Bird's Defense Deferred has a 53.3% (90% CI: 52.0%-54.7%) win rate for white, based on 3.7K Lichess games. Average game length is 29 moves with a 2.5% draw rate.
At 1400-1599 Elo, the Ruy Lopez: Bird's Defense Deferred has a 51.4% (90% CI: 50.1%-52.8%) win rate for white, based on 3.9K Lichess games. Average game length is 31 moves with a 3.4% draw rate.
At 1600-1799 Elo, the Ruy Lopez: Bird's Defense Deferred has a 51.0% (90% CI: 49.4%-52.5%) win rate for white, based on 2.8K Lichess games. Average game length is 32 moves with a 3.5% draw rate.
At 1800-1999 Elo, the Ruy Lopez: Bird's Defense Deferred has a 50.6% (90% CI: 48.3%-53.0%) win rate for white, based on 1.2K Lichess games. Average game length is 34 moves with a 3.8% draw rate.
At 2000-2199 Elo, the Ruy Lopez: Bird's Defense Deferred has a 56.5% (90% CI: 51.9%-61.0%) win rate for white, based on 318 Lichess games. Average game length is 35 moves with a 5.5% draw rate.
In Bullet games, the Ruy Lopez: Bird's Defense Deferred has a 54.1% (90% CI: 52.3%-55.9%) win rate for white (2.2K Lichess games). Draw rate is 1.8%.
In Blitz games, the Ruy Lopez: Bird's Defense Deferred has a 51.6% (90% CI: 50.7%-52.5%) win rate for white (8.0K Lichess games). Draw rate is 3.0%.
In Rapid games, the Ruy Lopez: Bird's Defense Deferred has a 52.1% (90% CI: 51.0%-53.2%) win rate for white (5.4K Lichess games). Draw rate is 3.5%.
In Classical games, the Ruy Lopez: Bird's Defense Deferred has a 57.4% (90% CI: 52.4%-62.5%) win rate for white (257 Lichess games). Draw rate is 4.1%.
The Ruy Lopez: Bird's Defense Deferred is statistically favors white with a 52.2% (90% CI: 51.6%-52.9%) win rate across all ratings. It performs best at 2200-2499 Elo. Your results depend on your rating, time control, and how well you know the typical plans.