What is the Petrov's Defense: Classical Attack expected score for White?
At all ratings, the Petrov's Defense: Classical Attack has a 53.4% expected score for White (we're 90% confident it's between 53.2% and 53.7%), based on 157K Lichess games.
157K games from Lichess · Updated January 2026
At all ratings, the Petrov's Defense: Classical Attack has a 53.4% expected score for White (we're 90% confident it's between 53.2% and 53.7%), based on 157K Lichess games.
Declines with rating: 53% → 30%
Best in UltraBullet (62%), worst in Bullet (49%)
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 Petrov's Defense: Classical Attack has a 50.2% (90% CI: 50.0%-50.5%) win rate for white, based on 157K rated games from Lichess.
The Petrov's Defense: Classical Attack performs best at 1000-1199 Elo with a 54.9% win rate for white (4.4K games). Win rate tends to decline at higher ratings as opponents know the theory better.
Rapid (52.5%) outperforms Bullet (49.4%) by 3.1%. Choose your time control wisely.
The Petrov's Defense: Classical Attack has a sharpness score of 93.6 (decisive), meaning 93.6% of games end decisively. Average game length is 35 moves.
At 0-999 Elo, the Petrov's Defense: Classical Attack has a 52.5% (90% CI: 50.6%-54.3%) win rate for white, based on 2.0K Lichess games. Average game length is 26 moves with a 3.4% draw rate.
At 1000-1199 Elo, the Petrov's Defense: Classical Attack has a 54.9% (90% CI: 53.6%-56.1%) win rate for white, based on 4.4K Lichess games. Average game length is 27 moves with a 2.3% draw rate.
At 1200-1399 Elo, the Petrov's Defense: Classical Attack has a 54.0% (90% CI: 53.2%-54.9%) win rate for white, based on 9.5K Lichess games. Average game length is 29 moves with a 2.8% draw rate.
At 1400-1599 Elo, the Petrov's Defense: Classical Attack has a 52.6% (90% CI: 52.1%-53.2%) win rate for white, based on 21K Lichess games. Average game length is 31 moves with a 3.8% draw rate.
At 1600-1799 Elo, the Petrov's Defense: Classical Attack has a 50.5% (90% CI: 50.0%-50.9%) win rate for white, based on 35K Lichess games. Average game length is 33 moves with a 4.7% draw rate.
At 1800-1999 Elo, the Petrov's Defense: Classical Attack has a 49.9% (90% CI: 49.5%-50.3%) win rate for white, based on 42K Lichess games. Average game length is 36 moves with a 5.8% draw rate.
At 2000-2199 Elo, the Petrov's Defense: Classical Attack has a 49.3% (90% CI: 48.9%-49.8%) win rate for white, based on 28K Lichess games. Average game length is 38 moves with a 7.2% draw rate.
At 2200-2499 Elo, the Petrov's Defense: Classical Attack has a 50.0% (90% CI: 49.2%-50.7%) win rate for white, based on 11K Lichess games. Average game length is 41 moves with a 8.2% draw rate.
At 2500+ Elo, the Petrov's Defense: Classical Attack has a 30.4% (90% CI: 29.2%-31.7%) win rate for white, based on 3.9K Lichess games. Average game length is 55 moves with a 46.1% draw rate.
In Bullet games, the Petrov's Defense: Classical Attack has a 49.4% (90% CI: 49.0%-49.8%) win rate for white (42K Lichess games). Draw rate is 6.2%.
In Blitz games, the Petrov's Defense: Classical Attack has a 49.9% (90% CI: 49.6%-50.2%) win rate for white (87K Lichess games). Draw rate is 6.1%.
In Rapid games, the Petrov's Defense: Classical Attack has a 52.5% (90% CI: 52.0%-53.0%) win rate for white (26K Lichess games). Draw rate is 7.5%.
In Classical games, the Petrov's Defense: Classical Attack has a 53.9% (90% CI: 51.8%-56.0%) win rate for white (1.5K Lichess games). Draw rate is 11.0%.
The Petrov's Defense: Classical Attack is statistically favors white with a 50.2% (90% CI: 50.0%-50.5%) win rate across all ratings. It performs best at 1000-1199 Elo. Your results depend on your rating, time control, and how well you know the typical plans.