What is the Petrov's Defense expected score for Black?
Overall, the Petrov's Defense family has a 48.0% expected score for Black (we're 90% confident it's between 47.9% and 48.0%), aggregated from 38 variations and 16M Lichess games.
38 variations · 16M games from Lichess · Updated January 2026
Petrov's Defense leaves Black at 48.0% — consider alternatives.
The minimum advantage of -4.2% suggests this opening underperforms statistically at your level.
Player-controlled continuations for Black · Overall
Continuations show the most common variations from this opening. Higher expected scores indicate better statistical outcomes, but familiarity and playstyle matter too.
Overall, the Petrov's Defense family has a 48.0% expected score for Black (we're 90% confident it's between 47.9% and 48.0%), aggregated from 38 variations and 16M Lichess games.
Declines with rating: 45% → 38%
Best in UltraBullet (48%), worst in Classical (42%)
Click cells to filter · Black expected scores
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
Matrix view reveals how performance varies across rating brackets and time controls. Green indicates favorable, red indicates challenging contexts.
The Petrov's Defense family has a 50.2% (90% CI: 50.1%-50.2%) win rate for white, aggregated from 38 variations and 16M rated games from Lichess.
This analysis covers 38 Petrov's Defense variations with sufficient game data. Each variation has its own statistics page with detailed win rates by rating and time control.
The Petrov's Defense family performs best at 1000-1199 Elo with a 51.7% win rate for white (2.3M games). Performance may vary by specific variation.
Classical (53.2%) outperforms Bullet (49.7%) by 3.5% across all Petrov's Defense variations.
Petrov's Defense games are 96.2% decisive (non-draws), with an average length of 31 moves. Sharpness varies by specific variation.
The Petrov's Defense family is statistically favors white overall with a 50.2% (90% CI: 50.1%-50.2%) aggregated win rate. However, win rates vary significantly between the 38 variations—explore individual lines to find the best fit for your style.