Does Blackmar-Diemer Gambit Accepted: Ritter Defense work for White at All Ratings?
Snapshot
At All Ratings, Blackmar-Diemer Gambit Accepted: Ritter Defense gives White a +11.2% minimum advantage (90% confidence). This gambit is effective.
Blackmar-Diemer Gambit Accepted: Ritter Defense
White GambitSource Lichess
View As
Play This+11%All Ratings
Minimum Advantage+11.2%
White wins at least 11.2% more often than loses
Rating TrendPeak: +13.4% at 2200-2499
Win%55.0%
Games10K
Breakpoint (Overall)0-999
5...b6
Blackmar-Diemer Gambit Accepted: Ritter DefenseWhite Gambit
Rating
Time Control
| Rating | Min Adv | White Win | Draw | White Loss | Games |
|---|---|---|---|---|---|
| 0-999 | -4.2% | 51.1% | 5.0% | 43.9% | 209 |
| 1000-1199 | +5.9% | 55.2% | 3.5% | 41.3% | 416 |
| 1200-1399 | +7.0% | 55.2% | 2.2% | 42.6% | 831 |
| 1400-1599 | +7.0% | 54.5% | 2.4% | 43.1% | 1.4K |
| 1600-1799 | +6.8% | 54.0% | 2.5% | 43.6% | 2.1K |
| 1800-1999 | +11.7% | 55.6% | 3.6% | 40.7% | 2.6K |
| 2000-2199 | +8.1% | 54.5% | 3.0% | 42.5% | 1.7K |
| 2200-2499 | +13.4% | 58.1% | 3.2% | 38.7% | 726 |
| 2500+ | -9.4% | 52.3% | 2.5% | 45.2% | 97 |
Full Opening StatsSee rating/time-control breakdowns for White on the opening stats page
Analyze Blackmar-Diemer Gambit Accepted: Ritter Defense PositionsGet move-by-move win rates with the TrueElo analyzer
Frequently Asked Questions
Is the Blackmar-Diemer Gambit Accepted: Ritter Defense sound?
The Blackmar-Diemer Gambit Accepted: Ritter Defense breaks at 0-999 overall (all time controls)—the first rating bracket where White no longer statistically wins more than loses. Below this rating, the gambit is viable for White. Note: breakpoints vary by time control—use the filters above for specific data.
What is the Blackmar-Diemer Gambit Accepted: Ritter Defense win rate?
The Blackmar-Diemer Gambit Accepted: Ritter Defense has a 55.0% (90% CI: 54.1%-55.8%) win rate for White overall, with a 2.9% draw rate and 42.1% loss rate. This is based on 10K games from Lichess.
What is the best rating to play the Blackmar-Diemer Gambit Accepted: Ritter Defense?
The Blackmar-Diemer Gambit Accepted: Ritter Defense performs best at 2200-2499, where White has a minimum advantage of +13.4%. This means we're 90% confident White wins at least 13.4 percentage points more than they lose at this rating.
Is the Blackmar-Diemer Gambit Accepted: Ritter Defense better in blitz or rapid?
Bullet (+12.6% edge) outperforms Blitz (+8.2% edge) by 4.4 percentage points. Faster time controls typically favor gambits because opponents have less time to find accurate defenses.
Does the Blackmar-Diemer Gambit Accepted: Ritter Defense breakpoint vary by time control?
Yes, significantly. Breakpoints by time control: Bullet: 1000-1199, Blitz: 0-999, Rapid: 1000-1199, Classical: Never. "Never" means the gambit remains viable through all rating brackets in that time control. Faster time controls typically extend viability.
How sharp is the Blackmar-Diemer Gambit Accepted: Ritter Defense?
The Blackmar-Diemer Gambit Accepted: Ritter Defense is extremely sharp with only 2.9% draws—97.1% of games end decisively. This makes it an excellent choice when you need to play for a win rather than accept a draw.
Should I play the Blackmar-Diemer Gambit Accepted: Ritter Defense?
If you're below 0-999 overall, the Blackmar-Diemer Gambit Accepted: Ritter Defense is statistically favorable for White. Above that rating, opponents defend better and the gambit's edge disappears. Consider your typical opponents' level and the time control—faster games extend the gambit's viability.
How do I defend against the Blackmar-Diemer Gambit Accepted: Ritter Defense?
As Black, the Blackmar-Diemer Gambit Accepted: Ritter Defense becomes easier to defend at 0-999 and above. Key principles: accept the material but develop quickly, castle early, trade pieces to reduce attacking potential, and return material at the right moment to neutralize the initiative. In faster time controls, the gambit is harder to defend—consider declining or transposing if you're not prepared.
How reliable is the Blackmar-Diemer Gambit Accepted: Ritter Defense data?
This analysis is based on 10K games from Lichess. All statistics include 90% confidence intervals. Generally, 300+ games provide statistically meaningful results. Rating-specific and time-control-specific breakdowns have their own sample sizes shown in the table above.