335 games from Lichess · Updated January 2026
At all ratings, the Blumenfeld Countergambit: Spielmann Variation has a 49.9% expected score for Black (we're 90% confident it's between 45.4% and 54.4%), based on 335 Lichess games.
Deep-dive datasets for this opening
Improves with rating: 20% → 39%
Best in Rapid (55%), worst in Classical (20%)
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 Blumenfeld Countergambit: Spielmann Variation has a 46.8% (90% CI: 42.3%-51.3%) win rate for white, based on 335 rated games from Lichess.
The Blumenfeld Countergambit: Spielmann Variation performs best at 2500+ Elo with a 55.3% win rate for white (79 games). Win rate tends to decline at higher ratings as opponents know the theory better.
The Blumenfeld Countergambit: Spielmann Variation has a sharpness score of 93.3 (decisive), meaning 93.3% of games end decisively. Average game length is 37 moves.
At 2200-2499 Elo, the Blumenfeld Countergambit: Spielmann Variation has a 44.7% (90% CI: 38.6%-50.9%) win rate for white, based on 174 Lichess games. Average game length is 36 moves with a 6.0% draw rate.
In Blitz games, the Blumenfeld Countergambit: Spielmann Variation has a 48.7% (90% CI: 43.7%-53.8%) win rate for white (258 Lichess games). Draw rate is 6.7%.
The Blumenfeld Countergambit: Spielmann Variation is slightly favors black with a 46.8% (90% CI: 42.3%-51.3%) win rate across all ratings. It performs best at 2500+ Elo. Your results depend on your rating, time control, and how well you know the typical plans.