9.6K games from Lichess · Updated January 2026
At all ratings, the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation has a 63.2% expected score for White (we're 90% confident it's between 62.4% and 64.0%), based on 9.6K Lichess games.
Deep-dive datasets for this opening
Improves with rating: 9% → 66%
Best in Classical (68%), worst in Rapid (60%)
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 Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation has a 61.2% (90% CI: 60.4%-62.0%) win rate for white, based on 9.6K rated games from Lichess.
The Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation performs best at 1200-1399 Elo with a 71.0% win rate for white (243 games). Win rate tends to decline at higher ratings as opponents know the theory better.
Bullet (65.3%) outperforms Classical (68.1%) by -2.8%. Choose your time control wisely.
The Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation has a sharpness score of 96.0 (very decisive), meaning 96.0% of games end decisively. Average game length is 30 moves.
At 1200-1399 Elo, the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation has a 71.0% (90% CI: 66.1%-75.6%) win rate for white, based on 243 Lichess games. Average game length is 24 moves with a 2.2% draw rate.
At 1400-1599 Elo, the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation has a 66.9% (90% CI: 64.0%-69.7%) win rate for white, based on 750 Lichess games. Average game length is 25 moves with a 2.9% draw rate.
At 1600-1799 Elo, the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation has a 61.7% (90% CI: 59.8%-63.7%) win rate for white, based on 1.7K Lichess games. Average game length is 28 moves with a 3.4% draw rate.
At 1800-1999 Elo, the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation has a 60.1% (90% CI: 58.8%-61.5%) win rate for white, based on 3.7K Lichess games. Average game length is 30 moves with a 4.1% draw rate.
At 2000-2199 Elo, the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation has a 60.0% (90% CI: 58.4%-61.7%) win rate for white, based on 2.4K Lichess games. Average game length is 33 moves with a 4.5% draw rate.
At 2200-2499 Elo, the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation has a 59.2% (90% CI: 56.3%-62.0%) win rate for white, based on 802 Lichess games. Average game length is 33 moves with a 5.8% draw rate.
In Bullet games, the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation has a 65.3% (90% CI: 63.5%-67.1%) win rate for white (1.9K Lichess games). Draw rate is 2.6%.
In Blitz games, the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation has a 60.1% (90% CI: 59.0%-61.2%) win rate for white (5.5K Lichess games). Draw rate is 4.2%.
In Rapid games, the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation has a 60.0% (90% CI: 58.2%-61.8%) win rate for white (2.1K Lichess games). Draw rate is 4.9%.
The Blackmar-Diemer Gambit Accepted: Teichmann Defense, Ciesielski Variation is statistically favors white with a 61.2% (90% CI: 60.4%-62.0%) win rate across all ratings. It performs best at 1200-1399 Elo. Your results depend on your rating, time control, and how well you know the typical plans.