Blackmar-Diemer Gambit Accepted

59K games from Lichess · Updated January 2026

View As

Play This

White Expected Score52.7%Range (90% confident): 52.3% – 53.0%Based on 59K games

0%52.7%100%

Range (90% confident): 52.3% – 53.0%

Outcome Distribution

50.9%3.5%45.6%

Win

Draw

Loss

4...exf3

Blackmar-Diemer Gambit Accepted

Analyzen=59K

Avg Length29 moves

Sharpness97%

Draw Rate3.5%

Snapshot

At all ratings, the Blackmar-Diemer Gambit Accepted has a 52.7% expected score for White (we're 90% confident it's between 52.3% and 53.0%), based on 59K Lichess games.

Extra Analysis

Deep-dive datasets for this opening

Gambit BreakpointWhite

Peak: +10.4% · Breakpoint: 0-999

Time-Control Swing

Max swing: 12.1% · UltraBullet best · Classical worst

White Win% by Rating

Improves with rating: 40% → 47%

1000

1200

1400

1600

1800

2000

2200

2500+

White Win% by Time Control

Best in UltraBullet (56%), worst in Classical (44%)

UltraBullet

Bullet

Blitz

Rapid

Classical

White% by Rating × Time Control

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

Rating	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

0-999 rating, UltraBullet: 21.5% expected score (2 games)
0-999 rating, Bullet: 46.8% expected score (1,532 games)
0-999 rating, Blitz: 43.1% expected score (3,054 games)
0-999 rating, Rapid: 37.9% expected score (2,120 games)
0-999 rating, Classical: 29.1% expected score (20 games)
1000-1199 rating, UltraBullet: 67.3% expected score (13 games)
1000-1199 rating, Bullet: 50.2% expected score (1,600 games)
1000-1199 rating, Blitz: 50.6% expected score (2,359 games)
1000-1199 rating, Rapid: 43.0% expected score (1,447 games)
1000-1199 rating, Classical: 36.0% expected score (45 games)
1200-1399 rating, UltraBullet: 48.9% expected score (43 games)
1200-1399 rating, Bullet: 53.7% expected score (1,978 games)
1200-1399 rating, Blitz: 54.1% expected score (3,362 games)
1200-1399 rating, Rapid: 52.3% expected score (1,615 games)
1200-1399 rating, Classical: 29.7% expected score (65 games)
1400-1599 rating, UltraBullet: 56.6% expected score (75 games)
1400-1599 rating, Bullet: 52.4% expected score (2,761 games)
1400-1599 rating, Blitz: 54.9% expected score (5,056 games)
1400-1599 rating, Rapid: 51.5% expected score (2,631 games)
1400-1599 rating, Classical: 32.9% expected score (145 games)
1600-1799 rating, UltraBullet: 58.7% expected score (297 games)
1600-1799 rating, Bullet: 54.9% expected score (3,640 games)
1600-1799 rating, Blitz: 55.4% expected score (4,802 games)
1600-1799 rating, Rapid: 57.9% expected score (2,857 games)
1600-1799 rating, Classical: 60.4% expected score (143 games)
1800-1999 rating, UltraBullet: 54.1% expected score (97 games)
1800-1999 rating, Bullet: 54.5% expected score (4,752 games)
1800-1999 rating, Blitz: 55.1% expected score (3,700 games)
1800-1999 rating, Rapid: 58.7% expected score (1,836 games)
1800-1999 rating, Classical: 61.7% expected score (71 games)
2000-2199 rating, UltraBullet: 54.4% expected score (44 games)
2000-2199 rating, Bullet: 54.1% expected score (3,293 games)
2000-2199 rating, Blitz: 57.4% expected score (1,155 games)
2000-2199 rating, Rapid: 59.8% expected score (397 games)
2000-2199 rating, Classical: 81.6% expected score (8 games)
2200-2499 rating, UltraBullet: 67.4% expected score (10 games)
2200-2499 rating, Bullet: 53.8% expected score (1,691 games)
2200-2499 rating, Blitz: 51.3% expected score (193 games)
2200-2499 rating, Rapid: 58.4% expected score (40 games)
2500+ rating, UltraBullet: 50.0% expected score (2 games)
2500+ rating, Bullet: 50.2% expected score (275 games)
2500+ rating, Blitz: 47.0% expected score (15 games)

Related Openings

Continuations (10)

Blackmar-Diemer Gambit Accepted: Bogoljubow Defense

46.9%

Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack

47.1%

Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Mad Dog Attack

50.1%

Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Nimzowitsch Attack

47.9%

Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Studier Attack

52.0%

Blackmar-Diemer Gambit Accepted: Euwe Defense

58.8%

Blackmar-Diemer Gambit Accepted: Euwe Defense, Zilbermints Gambit

53.5%

Blackmar-Diemer Gambit Accepted: Gunderam Defense

46.8%

Blackmar-Diemer Gambit Accepted: Gunderam Defense, Stader Variation

47.6%

Blackmar-Diemer Gambit Accepted: Holwell Defense

50.7%

Analyze Blackmar-Diemer Gambit Accepted PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Blackmar-Diemer Gambit Accepted win rate?

The Blackmar-Diemer Gambit Accepted has a 50.9% (90% CI: 50.5%-51.2%) win rate for white, based on 59K rated games from Lichess.

At what rating does the Blackmar-Diemer Gambit Accepted perform best?

The Blackmar-Diemer Gambit Accepted performs best at 1600-1799 Elo with a 54.5% win rate for white (12K games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Blackmar-Diemer Gambit Accepted better in blitz or rapid?

UltraBullet (55.7%) outperforms Classical (43.6%) by 12.1%. Choose your time control wisely.

How sharp is the Blackmar-Diemer Gambit Accepted?

The Blackmar-Diemer Gambit Accepted has a sharpness score of 96.5 (very decisive), meaning 96.5% of games end decisively. Average game length is 29 moves.

What is the Blackmar-Diemer Gambit Accepted win rate at 0-999 Elo?

At 0-999 Elo, the Blackmar-Diemer Gambit Accepted has a 39.8% (90% CI: 38.8%-40.8%) win rate for white, based on 6.7K Lichess games. Average game length is 27 moves with a 4.9% draw rate.

What is the Blackmar-Diemer Gambit Accepted win rate at 1000-1199 Elo?

At 1000-1199 Elo, the Blackmar-Diemer Gambit Accepted has a 46.8% (90% CI: 45.7%-47.9%) win rate for white, based on 5.5K Lichess games. Average game length is 27 moves with a 3.2% draw rate.

What is the Blackmar-Diemer Gambit Accepted win rate at 1200-1399 Elo?

At 1200-1399 Elo, the Blackmar-Diemer Gambit Accepted has a 51.8% (90% CI: 50.8%-52.8%) win rate for white, based on 7.1K Lichess games. Average game length is 27 moves with a 3.1% draw rate.

What is the Blackmar-Diemer Gambit Accepted win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Blackmar-Diemer Gambit Accepted has a 51.6% (90% CI: 50.8%-52.4%) win rate for white, based on 11K Lichess games. Average game length is 28 moves with a 3.1% draw rate.

What is the Blackmar-Diemer Gambit Accepted win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Blackmar-Diemer Gambit Accepted has a 54.5% (90% CI: 53.7%-55.2%) win rate for white, based on 12K Lichess games. Average game length is 29 moves with a 3.0% draw rate.

What is the Blackmar-Diemer Gambit Accepted win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Blackmar-Diemer Gambit Accepted has a 53.7% (90% CI: 52.9%-54.5%) win rate for white, based on 10K Lichess games. Average game length is 31 moves with a 3.6% draw rate.

What is the Blackmar-Diemer Gambit Accepted win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Blackmar-Diemer Gambit Accepted has a 53.4% (90% CI: 52.2%-54.6%) win rate for white, based on 4.9K Lichess games. Average game length is 32 moves with a 4.0% draw rate.

What is the Blackmar-Diemer Gambit Accepted win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Blackmar-Diemer Gambit Accepted has a 51.2% (90% CI: 49.3%-53.0%) win rate for white, based on 1.9K Lichess games. Average game length is 35 moves with a 5.1% draw rate.

What is the Blackmar-Diemer Gambit Accepted win rate at 2500+ Elo?

At 2500+ Elo, the Blackmar-Diemer Gambit Accepted has a 46.8% (90% CI: 42.1%-51.6%) win rate for white, based on 292 Lichess games. Average game length is 38 moves with a 6.3% draw rate.

What is the Blackmar-Diemer Gambit Accepted win rate in UltraBullet?

In UltraBullet games, the Blackmar-Diemer Gambit Accepted has a 55.7% (90% CI: 52.3%-59.1%) win rate for white (583 Lichess games). Draw rate is 2.3%.

What is the Blackmar-Diemer Gambit Accepted win rate in Bullet?

In Bullet games, the Blackmar-Diemer Gambit Accepted has a 51.7% (90% CI: 51.2%-52.3%) win rate for white (22K Lichess games). Draw rate is 2.8%.

What is the Blackmar-Diemer Gambit Accepted win rate in Blitz?

In Blitz games, the Blackmar-Diemer Gambit Accepted has a 51.1% (90% CI: 50.6%-51.7%) win rate for white (24K Lichess games). Draw rate is 3.8%.

What is the Blackmar-Diemer Gambit Accepted win rate in Rapid?

In Rapid games, the Blackmar-Diemer Gambit Accepted has a 49.0% (90% CI: 48.3%-49.8%) win rate for white (13K Lichess games). Draw rate is 4.2%.

What is the Blackmar-Diemer Gambit Accepted win rate in Classical?

In Classical games, the Blackmar-Diemer Gambit Accepted has a 43.6% (90% CI: 40.0%-47.3%) win rate for white (497 Lichess games). Draw rate is 3.5%.

Is the Blackmar-Diemer Gambit Accepted a good opening?

The Blackmar-Diemer Gambit Accepted is statistically favors white with a 50.9% (90% CI: 50.5%-51.2%) win rate across all ratings. It performs best at 1600-1799 Elo. Your results depend on your rating, time control, and how well you know the typical plans.

What is the Blackmar-Diemer Gambit Accepted expected score for White?