2.3K games from Lichess · Updated January 2026
Grünfeld Defense: Brinckmann Attack, Reshevsky Gambit leaves Black at 40.4% — pick a better weapon.
The minimum advantage of -22.6% means this line underperforms at the selected level.
Sharpness — share of games that end decisively
At all ratings, the Grünfeld Defense: Brinckmann Attack, Reshevsky Gambit has a 40.4% expected score for Black (we're 90% confident it's between 38.7% and 42.1%), based on 2.3K Lichess games.
Deep-dive datasets for this opening
Declines with rating: 60% → 35%
Best in Bullet (39%), worst in Classical (9%)
Click any cell to filter — click it again to clear. 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 Grünfeld Defense: Brinckmann Attack, Reshevsky Gambit has a 57.1% (90% CI: 55.4%-58.8%) win rate for white, based on 2.3K rated games from Lichess.
The Grünfeld Defense: Brinckmann Attack, Reshevsky Gambit performs best at 2200-2499 Elo with a 57.8% win rate for white (1.1K games). Win rate tends to decline at higher ratings as opponents know the theory better.
Blitz (57.3%) outperforms Rapid (50.7%) by 6.6%. Choose your time control wisely.
The Grünfeld Defense: Brinckmann Attack, Reshevsky Gambit has a sharpness score of 94.9 (decisive), meaning 94.9% of games end decisively. Average game length is 34 moves.
At 1800-1999 Elo, the Grünfeld Defense: Brinckmann Attack, Reshevsky Gambit has a 54.5% (90% CI: 48.6%-60.3%) win rate for white, based on 194 Lichess games. Average game length is 29 moves with a 2.3% draw rate.
At 2000-2199 Elo, the Grünfeld Defense: Brinckmann Attack, Reshevsky Gambit has a 56.7% (90% CI: 53.4%-59.9%) win rate for white, based on 617 Lichess games. Average game length is 31 moves with a 4.0% draw rate.
At 2200-2499 Elo, the Grünfeld Defense: Brinckmann Attack, Reshevsky Gambit has a 57.8% (90% CI: 55.3%-60.2%) win rate for white, based on 1.1K Lichess games. Average game length is 34 moves with a 5.3% draw rate.
At 2500+ Elo, the Grünfeld Defense: Brinckmann Attack, Reshevsky Gambit has a 57.3% (90% CI: 53.2%-61.4%) win rate for white, based on 390 Lichess games. Average game length is 39 moves with a 8.0% draw rate.
In Bullet games, the Grünfeld Defense: Brinckmann Attack, Reshevsky Gambit has a 57.0% (90% CI: 53.5%-60.6%) win rate for white (527 Lichess games). Draw rate is 3.9%.
In Blitz games, the Grünfeld Defense: Brinckmann Attack, Reshevsky Gambit has a 57.3% (90% CI: 55.3%-59.3%) win rate for white (1.7K Lichess games). Draw rate is 5.1%.
In Rapid games, the Grünfeld Defense: Brinckmann Attack, Reshevsky Gambit has a 50.7% (90% CI: 42.7%-58.7%) win rate for white (104 Lichess games). Draw rate is 12.8%.
The Grünfeld Defense: Brinckmann Attack, Reshevsky Gambit is statistically favors white with a 57.1% (90% CI: 55.4%-58.8%) 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.