Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack

7.0K games from Lichess · Updated January 2026

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White Expected Score59.4%Range (90% confident): 58.4% – 60.3%Based on 7.0K games
0%59.4%100%
Range (90% confident): 58.4% – 60.3%
Outcome Distribution
57.0%4.8%38.2%
Win
Draw
Loss
8.g4
Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack
Analyzen=7.0K
Avg Length31 moves
Sharpness95%
Draw Rate4.8%

What is the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack expected score for White?

Snapshot

At all ratings, the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack has a 59.4% expected score for White (we're 90% confident it's between 58.4% and 60.3%), based on 7.0K Lichess games.

Extra Analysis

Deep-dive datasets for this opening

White Win% by Rating

Improves with rating: 47% → 59%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 47.4% win rate (8 games)
  • 1000-1199: 51.8% win rate (40 games)
  • 1200-1399: 56.7% win rate (144 games)
  • 1400-1599: 56.9% win rate (228 games)
  • 1600-1799: 57.4% win rate (703 games)
  • 1800-1999: 56.1% win rate (1,529 games)
  • 2000-2199: 55.5% win rate (2,782 games)
  • 2200-2499: 60.6% win rate (1,274 games)
  • 2500+: 59.1% win rate (309 games)

White Win% by Time Control

Best in Rapid (60%), worst in Classical (54%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 60.0% win rate (1 games)
  • Bullet: 58.6% win rate (1,298 games)
  • Blitz: 55.8% win rate (4,687 games)
  • Rapid: 60.3% win rate (989 games)
  • Classical: 54.0% win rate (42 games)

White% by Rating × Time Control

Click any cell to filter. Green = above 50%, Red = below 50%.

RatingUBBulleBlitzRapidClass
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

  • 0-999 rating, Bullet: 61.2% expected score (3 games)
  • 0-999 rating, Blitz: 31.9% expected score (4 games)
  • 0-999 rating, Rapid: 70.0% expected score (1 games)
  • 1000-1199 rating, Bullet: 50.0% expected score (8 games)
  • 1000-1199 rating, Blitz: 51.9% expected score (25 games)
  • 1000-1199 rating, Rapid: 55.9% expected score (7 games)
  • 1200-1399 rating, Bullet: 64.6% expected score (26 games)
  • 1200-1399 rating, Blitz: 56.9% expected score (71 games)
  • 1200-1399 rating, Rapid: 52.1% expected score (46 games)
  • 1200-1399 rating, Classical: 70.0% expected score (1 games)
  • 1400-1599 rating, UltraBullet: 70.0% expected score (1 games)
  • 1400-1599 rating, Bullet: 53.0% expected score (32 games)
  • 1400-1599 rating, Blitz: 58.2% expected score (139 games)
  • 1400-1599 rating, Rapid: 63.6% expected score (54 games)
  • 1400-1599 rating, Classical: 21.5% expected score (2 games)
  • 1600-1799 rating, Bullet: 59.2% expected score (250 games)
  • 1600-1799 rating, Blitz: 61.4% expected score (354 games)
  • 1600-1799 rating, Rapid: 56.5% expected score (91 games)
  • 1600-1799 rating, Classical: 39.5% expected score (8 games)
  • 1800-1999 rating, Bullet: 54.2% expected score (226 games)
  • 1800-1999 rating, Blitz: 57.2% expected score (1,021 games)
  • 1800-1999 rating, Rapid: 65.3% expected score (270 games)
  • 1800-1999 rating, Classical: 61.2% expected score (12 games)
  • 2000-2199 rating, Bullet: 61.9% expected score (280 games)
  • 2000-2199 rating, Blitz: 56.6% expected score (2,113 games)
  • 2000-2199 rating, Rapid: 61.9% expected score (371 games)
  • 2000-2199 rating, Classical: 62.9% expected score (18 games)
  • 2200-2499 rating, Bullet: 64.3% expected score (345 games)
  • 2200-2499 rating, Blitz: 63.2% expected score (782 games)
  • 2200-2499 rating, Rapid: 65.3% expected score (146 games)
  • 2200-2499 rating, Classical: 70.0% expected score (1 games)
  • 2500+ rating, Bullet: 59.7% expected score (128 games)
  • 2500+ rating, Blitz: 63.1% expected score (178 games)
  • 2500+ rating, Rapid: 83.4% expected score (3 games)

Related Openings

Analyze Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack win rate?

The Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack has a 57.0% (90% CI: 56.0%-57.9%) win rate for white, based on 7.0K rated games from Lichess.

At what rating does the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack perform best?

The Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack performs best at 2200-2499 Elo with a 60.6% win rate for white (1.3K games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack better in blitz or rapid?

Rapid (60.3%) outperforms Blitz (55.8%) by 4.5%. Choose your time control wisely.

How sharp is the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack?

The Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack has a sharpness score of 95.2 (very decisive), meaning 95.2% of games end decisively. Average game length is 31 moves.

What is the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack win rate at 1200-1399 Elo?

At 1200-1399 Elo, the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack has a 56.7% (90% CI: 49.9%-63.4%) win rate for white, based on 144 Lichess games. Average game length is 25 moves with a 1.0% draw rate.

What is the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack has a 56.9% (90% CI: 51.5%-62.2%) win rate for white, based on 228 Lichess games. Average game length is 26 moves with a 3.3% draw rate.

What is the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack has a 57.4% (90% CI: 54.3%-60.5%) win rate for white, based on 703 Lichess games. Average game length is 28 moves with a 4.6% draw rate.

What is the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack has a 56.1% (90% CI: 54.0%-58.2%) win rate for white, based on 1.5K Lichess games. Average game length is 30 moves with a 4.2% draw rate.

What is the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack has a 55.5% (90% CI: 53.9%-57.0%) win rate for white, based on 2.8K Lichess games. Average game length is 32 moves with a 4.8% draw rate.

What is the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack has a 60.6% (90% CI: 58.4%-62.9%) win rate for white, based on 1.3K Lichess games. Average game length is 32 moves with a 6.2% draw rate.

What is the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack win rate at 2500+ Elo?

At 2500+ Elo, the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack has a 59.1% (90% CI: 54.5%-63.6%) win rate for white, based on 309 Lichess games. Average game length is 37 moves with a 6.0% draw rate.

What is the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack win rate in Bullet?

In Bullet games, the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack has a 58.6% (90% CI: 56.3%-60.8%) win rate for white (1.3K Lichess games). Draw rate is 3.3%.

What is the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack win rate in Blitz?

In Blitz games, the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack has a 55.8% (90% CI: 54.6%-57.0%) win rate for white (4.7K Lichess games). Draw rate is 5.2%.

What is the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack win rate in Rapid?

In Rapid games, the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack has a 60.3% (90% CI: 57.8%-62.9%) win rate for white (989 Lichess games). Draw rate is 4.6%.

Is the Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack a good opening?

The Blackmar-Diemer Gambit Accepted: Teichmann Defense, Seidel-Hall Attack is statistically favors white with a 57.0% (90% CI: 56.0%-57.9%) 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.