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Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack

924 games from Lichess · Updated January 2026

Tough Sell
White Expected Score49.7%Range (90% confident): 47.0% – 52.4%Based on 924 games
0%49.7%100%
Range (90% confident): 47.0% – 52.4%
Outcome Distribution
47.1%5.2%47.7%
Win
Draw
Loss
8.Kh1
Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack
Analyzen=924
Avg Length34 moves
Sharpness95%
Draw Rate5.2%

What is the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack expected score for White?

Snapshot

At all ratings, the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack has a 49.7% expected score for White (we're 90% confident it's between 47.0% and 52.4%), based on 924 Lichess games.

Extra Analysis

Deep-dive datasets for this opening

Gambit BreakpointWhite

Peak: -0.6% · Breakpoint: 1600-1799

White Win% by Rating

Declines with rating: 71% → 46%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 71.4% win rate (2 games)
  • 1000-1199: 45.5% win rate (4 games)
  • 1200-1399: 36.0% win rate (11 games)
  • 1400-1599: 47.7% win rate (31 games)
  • 1600-1799: 51.4% win rate (87 games)
  • 1800-1999: 43.3% win rate (263 games)
  • 2000-2199: 45.0% win rate (255 games)
  • 2200-2499: 51.3% win rate (243 games)
  • 2500+: 45.8% win rate (28 games)

White Win% by Time Control

Best in UltraBullet (60%), worst in Classical (33%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 60.0% win rate (1 games)
  • Bullet: 50.2% win rate (396 games)
  • Blitz: 45.5% win rate (422 games)
  • Rapid: 41.3% win rate (99 games)
  • Classical: 33.3% win rate (6 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: 78.6% expected score (2 games)
  • 1000-1199 rating, Bullet: 70.0% expected score (1 games)
  • 1000-1199 rating, Blitz: 38.9% expected score (3 games)
  • 1200-1399 rating, Bullet: 70.0% expected score (1 games)
  • 1200-1399 rating, Blitz: 39.5% expected score (8 games)
  • 1200-1399 rating, Rapid: 21.5% expected score (2 games)
  • 1400-1599 rating, Bullet: 23.4% expected score (6 games)
  • 1400-1599 rating, Blitz: 50.0% expected score (18 games)
  • 1400-1599 rating, Rapid: 67.7% expected score (7 games)
  • 1600-1799 rating, UltraBullet: 70.0% expected score (1 games)
  • 1600-1799 rating, Bullet: 55.1% expected score (18 games)
  • 1600-1799 rating, Blitz: 57.5% expected score (45 games)
  • 1600-1799 rating, Rapid: 38.9% expected score (21 games)
  • 1600-1799 rating, Classical: 78.6% expected score (2 games)
  • 1800-1999 rating, Bullet: 44.6% expected score (108 games)
  • 1800-1999 rating, Blitz: 46.9% expected score (125 games)
  • 1800-1999 rating, Rapid: 50.0% expected score (29 games)
  • 1800-1999 rating, Classical: 30.0% expected score (1 games)
  • 2000-2199 rating, Bullet: 55.6% expected score (96 games)
  • 2000-2199 rating, Blitz: 42.5% expected score (131 games)
  • 2000-2199 rating, Rapid: 46.2% expected score (25 games)
  • 2000-2199 rating, Classical: 16.7% expected score (3 games)
  • 2200-2499 rating, Bullet: 55.7% expected score (138 games)
  • 2200-2499 rating, Blitz: 56.0% expected score (90 games)
  • 2200-2499 rating, Rapid: 40.9% expected score (15 games)
  • 2500+ rating, Bullet: 50.0% expected score (26 games)
  • 2500+ rating, Blitz: 50.0% expected score (2 games)

Related Openings

Parent
Blackmar-Diemer Gambit Accepted
50.9%
Variations (5)
Blackmar-Diemer Gambit Accepted: Bogoljubow Defense
46.9%
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%
Analyze Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack win rate?

The Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack has a 47.1% (90% CI: 44.4%-49.8%) win rate for white, based on 924 rated games from Lichess.

At what rating does the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack perform best?

The Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack performs best at 2200-2499 Elo with a 51.3% win rate for white (243 games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack better in blitz or rapid?

Bullet (50.2%) outperforms Rapid (41.3%) by 8.9%. Choose your time control wisely.

How sharp is the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack?

The Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack has a sharpness score of 94.8 (decisive), meaning 94.8% of games end decisively. Average game length is 34 moves.

What is the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack has a 43.3% (90% CI: 38.3%-48.3%) win rate for white, based on 263 Lichess games. Average game length is 33 moves with a 5.5% draw rate.

What is the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack has a 45.0% (90% CI: 40.0%-50.2%) win rate for white, based on 255 Lichess games. Average game length is 34 moves with a 4.5% draw rate.

What is the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack has a 51.3% (90% CI: 46.1%-56.6%) win rate for white, based on 243 Lichess games. Average game length is 36 moves with a 7.2% draw rate.

What is the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack win rate in Bullet?

In Bullet games, the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack has a 50.2% (90% CI: 46.1%-54.3%) win rate for white (396 Lichess games). Draw rate is 3.9%.

What is the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack win rate in Blitz?

In Blitz games, the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack has a 45.5% (90% CI: 41.5%-49.4%) win rate for white (422 Lichess games). Draw rate is 6.0%.

Is the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack a good opening?

The Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack is slightly favors black with a 47.1% (90% CI: 44.4%-49.8%) 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.