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Blackmar-Diemer Gambit Declined: Vienna Defense

281K games from Lichess · Updated January 2026

Playable
White Expected Score51.0%Range (90% confident): 50.9% – 51.2%Based on 281K games
0%51.0%100%
Range (90% confident): 50.9% – 51.2%
Outcome Distribution
49.4%3.3%47.4%
Win
Draw
Loss
4...Bf5
Blackmar-Diemer Gambit Declined: Vienna Defense
Analyzen=281K
Avg Length30 moves
Sharpness97%
Draw Rate3.3%

What is the Blackmar-Diemer Gambit Declined: Vienna Defense expected score for White?

Snapshot

At all ratings, the Blackmar-Diemer Gambit Declined: Vienna Defense has a 51.0% expected score for White (we're 90% confident it's between 50.9% and 51.2%), based on 281K Lichess games.

Extra Analysis

Deep-dive datasets for this opening

Gambit BreakpointWhite

Peak: +8.3% · Breakpoint: 0-999

White Win% by Rating

Improves with rating: 45% → 53%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 45.2% win rate (14,473 games)
  • 1000-1199: 47.9% win rate (22,377 games)
  • 1200-1399: 49.1% win rate (32,524 games)
  • 1400-1599: 49.1% win rate (45,238 games)
  • 1600-1799: 49.5% win rate (53,406 games)
  • 1800-1999: 49.9% win rate (52,828 games)
  • 2000-2199: 50.1% win rate (36,797 games)
  • 2200-2499: 51.6% win rate (19,771 games)
  • 2500+: 53.2% win rate (3,260 games)

White Win% by Time Control

Best in Bullet (51%), worst in Classical (45%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 50.5% win rate (265 games)
  • Bullet: 51.4% win rate (80,415 games)
  • Blitz: 49.1% win rate (136,530 games)
  • Rapid: 47.4% win rate (61,478 games)
  • Classical: 44.8% win rate (1,986 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: 48.1% expected score (2,570 games)
  • 0-999 rating, Blitz: 47.7% expected score (8,075 games)
  • 0-999 rating, Rapid: 45.1% expected score (3,800 games)
  • 0-999 rating, Classical: 45.0% expected score (28 games)
  • 1000-1199 rating, UltraBullet: 44.2% expected score (7 games)
  • 1000-1199 rating, Bullet: 52.6% expected score (4,163 games)
  • 1000-1199 rating, Blitz: 49.6% expected score (11,835 games)
  • 1000-1199 rating, Rapid: 47.0% expected score (6,261 games)
  • 1000-1199 rating, Classical: 38.9% expected score (111 games)
  • 1200-1399 rating, UltraBullet: 45.1% expected score (29 games)
  • 1200-1399 rating, Bullet: 52.2% expected score (6,633 games)
  • 1200-1399 rating, Blitz: 50.7% expected score (16,555 games)
  • 1200-1399 rating, Rapid: 49.1% expected score (9,075 games)
  • 1200-1399 rating, Classical: 41.7% expected score (232 games)
  • 1400-1599 rating, UltraBullet: 45.2% expected score (40 games)
  • 1400-1599 rating, Bullet: 52.0% expected score (8,772 games)
  • 1400-1599 rating, Blitz: 50.4% expected score (23,603 games)
  • 1400-1599 rating, Rapid: 49.6% expected score (12,371 games)
  • 1400-1599 rating, Classical: 43.4% expected score (452 games)
  • 1600-1799 rating, UltraBullet: 55.4% expected score (91 games)
  • 1600-1799 rating, Bullet: 52.6% expected score (12,038 games)
  • 1600-1799 rating, Blitz: 51.0% expected score (26,276 games)
  • 1600-1799 rating, Rapid: 50.1% expected score (14,379 games)
  • 1600-1799 rating, Classical: 50.3% expected score (622 games)
  • 1800-1999 rating, UltraBullet: 46.0% expected score (61 games)
  • 1800-1999 rating, Bullet: 53.2% expected score (14,208 games)
  • 1800-1999 rating, Blitz: 51.6% expected score (27,256 games)
  • 1800-1999 rating, Rapid: 49.5% expected score (10,898 games)
  • 1800-1999 rating, Classical: 50.4% expected score (405 games)
  • 2000-2199 rating, UltraBullet: 63.6% expected score (17 games)
  • 2000-2199 rating, Bullet: 52.2% expected score (16,142 games)
  • 2000-2199 rating, Blitz: 51.6% expected score (16,608 games)
  • 2000-2199 rating, Rapid: 52.2% expected score (3,900 games)
  • 2000-2199 rating, Classical: 54.9% expected score (130 games)
  • 2200-2499 rating, UltraBullet: 61.5% expected score (16 games)
  • 2200-2499 rating, Bullet: 53.7% expected score (13,126 games)
  • 2200-2499 rating, Blitz: 54.0% expected score (5,835 games)
  • 2200-2499 rating, Rapid: 52.9% expected score (788 games)
  • 2200-2499 rating, Classical: 70.0% expected score (6 games)
  • 2500+ rating, UltraBullet: 68.2% expected score (4 games)
  • 2500+ rating, Bullet: 55.7% expected score (2,763 games)
  • 2500+ rating, Blitz: 55.0% expected score (487 games)
  • 2500+ rating, Rapid: 56.7% expected score (6 games)

Related Openings

Variations (5)
Blackmar-Diemer Gambit Declined: Brombacher Countergambit
47.4%
Blackmar-Diemer Gambit Declined: Elbert Countergambit
47.7%
Blackmar-Diemer Gambit Declined: Gedult Defense
51.5%
Blackmar-Diemer Gambit Declined: Lamb Defense
47.6%
Blackmar-Diemer Gambit Declined: Langeheinicke Defense
49.4%
Analyze Blackmar-Diemer Gambit Declined: Vienna Defense PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Blackmar-Diemer Gambit Declined: Vienna Defense win rate?

The Blackmar-Diemer Gambit Declined: Vienna Defense has a 49.4% (90% CI: 49.2%-49.5%) win rate for white, based on 281K rated games from Lichess.

At what rating does the Blackmar-Diemer Gambit Declined: Vienna Defense perform best?

The Blackmar-Diemer Gambit Declined: Vienna Defense performs best at 2500+ Elo with a 53.2% win rate for white (3.3K games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Blackmar-Diemer Gambit Declined: Vienna Defense better in blitz or rapid?

Bullet (51.4%) outperforms Classical (44.8%) by 6.6%. Choose your time control wisely.

How sharp is the Blackmar-Diemer Gambit Declined: Vienna Defense?

The Blackmar-Diemer Gambit Declined: Vienna Defense has a sharpness score of 96.7 (very decisive), meaning 96.7% of games end decisively. Average game length is 30 moves.

What is the Blackmar-Diemer Gambit Declined: Vienna Defense win rate at 0-999 Elo?

At 0-999 Elo, the Blackmar-Diemer Gambit Declined: Vienna Defense has a 45.2% (90% CI: 44.5%-45.9%) win rate for white, based on 14K Lichess games. Average game length is 27 moves with a 3.7% draw rate.

What is the Blackmar-Diemer Gambit Declined: Vienna Defense win rate at 1000-1199 Elo?

At 1000-1199 Elo, the Blackmar-Diemer Gambit Declined: Vienna Defense has a 47.9% (90% CI: 47.3%-48.4%) win rate for white, based on 22K Lichess games. Average game length is 28 moves with a 3.0% draw rate.

What is the Blackmar-Diemer Gambit Declined: Vienna Defense win rate at 1200-1399 Elo?

At 1200-1399 Elo, the Blackmar-Diemer Gambit Declined: Vienna Defense has a 49.1% (90% CI: 48.6%-49.5%) win rate for white, based on 33K Lichess games. Average game length is 28 moves with a 2.8% draw rate.

What is the Blackmar-Diemer Gambit Declined: Vienna Defense win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Blackmar-Diemer Gambit Declined: Vienna Defense has a 49.1% (90% CI: 48.7%-49.4%) win rate for white, based on 45K Lichess games. Average game length is 29 moves with a 2.7% draw rate.

What is the Blackmar-Diemer Gambit Declined: Vienna Defense win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Blackmar-Diemer Gambit Declined: Vienna Defense has a 49.5% (90% CI: 49.2%-49.9%) win rate for white, based on 53K Lichess games. Average game length is 31 moves with a 3.2% draw rate.

What is the Blackmar-Diemer Gambit Declined: Vienna Defense win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Blackmar-Diemer Gambit Declined: Vienna Defense has a 49.9% (90% CI: 49.5%-50.2%) win rate for white, based on 53K Lichess games. Average game length is 32 moves with a 3.5% draw rate.

What is the Blackmar-Diemer Gambit Declined: Vienna Defense win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Blackmar-Diemer Gambit Declined: Vienna Defense has a 50.1% (90% CI: 49.7%-50.5%) win rate for white, based on 37K Lichess games. Average game length is 33 moves with a 3.6% draw rate.

What is the Blackmar-Diemer Gambit Declined: Vienna Defense win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Blackmar-Diemer Gambit Declined: Vienna Defense has a 51.6% (90% CI: 51.0%-52.2%) win rate for white, based on 20K Lichess games. Average game length is 34 moves with a 4.3% draw rate.

What is the Blackmar-Diemer Gambit Declined: Vienna Defense win rate at 2500+ Elo?

At 2500+ Elo, the Blackmar-Diemer Gambit Declined: Vienna Defense has a 53.2% (90% CI: 51.8%-54.7%) win rate for white, based on 3.3K Lichess games. Average game length is 37 moves with a 4.7% draw rate.

What is the Blackmar-Diemer Gambit Declined: Vienna Defense win rate in UltraBullet?

In UltraBullet games, the Blackmar-Diemer Gambit Declined: Vienna Defense has a 50.5% (90% CI: 45.4%-55.5%) win rate for white (265 Lichess games). Draw rate is 2.1%.

What is the Blackmar-Diemer Gambit Declined: Vienna Defense win rate in Bullet?

In Bullet games, the Blackmar-Diemer Gambit Declined: Vienna Defense has a 51.4% (90% CI: 51.1%-51.7%) win rate for white (80K Lichess games). Draw rate is 2.5%.

What is the Blackmar-Diemer Gambit Declined: Vienna Defense win rate in Blitz?

In Blitz games, the Blackmar-Diemer Gambit Declined: Vienna Defense has a 49.1% (90% CI: 48.9%-49.3%) win rate for white (137K Lichess games). Draw rate is 3.5%.

What is the Blackmar-Diemer Gambit Declined: Vienna Defense win rate in Rapid?

In Rapid games, the Blackmar-Diemer Gambit Declined: Vienna Defense has a 47.4% (90% CI: 47.1%-47.7%) win rate for white (61K Lichess games). Draw rate is 3.8%.

What is the Blackmar-Diemer Gambit Declined: Vienna Defense win rate in Classical?

In Classical games, the Blackmar-Diemer Gambit Declined: Vienna Defense has a 44.8% (90% CI: 42.9%-46.6%) win rate for white (2.0K Lichess games). Draw rate is 5.2%.

Is the Blackmar-Diemer Gambit Declined: Vienna Defense a good opening?

The Blackmar-Diemer Gambit Declined: Vienna Defense is statistically balanced with a 49.4% (90% CI: 49.2%-49.5%) win rate across all ratings. It performs best at 2500+ Elo. Your results depend on your rating, time control, and how well you know the typical plans.