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French Defense: Diemer-Duhm Gambit

119K games from Lichess · Updated January 2026

Playable
White Expected Score52.1%Range (90% confident): 51.8% – 52.3%Based on 119K games
0%52.1%100%
Range (90% confident): 51.8% – 52.3%
Outcome Distribution
50.4%3.3%46.3%
Win
Draw
Loss
3.c4
French Defense: Diemer-Duhm Gambit
Analyzen=119K
Avg Length31 moves
Sharpness97%
Draw Rate3.3%

What is the French Defense: Diemer-Duhm Gambit expected score for White?

Snapshot

At all ratings, the French Defense: Diemer-Duhm Gambit has a 52.1% expected score for White (we're 90% confident it's between 51.8% and 52.3%), based on 119K Lichess games.

Extra Analysis

Deep-dive datasets for this opening

Gambit BreakpointWhite

Peak: +5.7% · Breakpoint: 0-999

White Win% by Rating

Stable across ratings (~46%)

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 46.4% win rate (7,588 games)
  • 1000-1199: 49.0% win rate (11,734 games)
  • 1200-1399: 50.0% win rate (16,741 games)
  • 1400-1599: 49.7% win rate (21,253 games)
  • 1600-1799: 51.1% win rate (22,690 games)
  • 1800-1999: 51.7% win rate (20,684 games)
  • 2000-2199: 51.7% win rate (12,483 games)
  • 2200-2499: 52.1% win rate (5,883 games)
  • 2500+: 48.0% win rate (339 games)

White Win% by Time Control

Best in Bullet (51%), worst in Classical (44%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 45.6% win rate (926 games)
  • Bullet: 51.3% win rate (50,691 games)
  • Blitz: 50.5% win rate (51,741 games)
  • Rapid: 47.7% win rate (15,548 games)
  • Classical: 43.9% win rate (489 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, UltraBullet: 46.7% expected score (58 games)
  • 0-999 rating, Bullet: 48.5% expected score (2,130 games)
  • 0-999 rating, Blitz: 48.9% expected score (3,822 games)
  • 0-999 rating, Rapid: 46.1% expected score (1,567 games)
  • 0-999 rating, Classical: 46.0% expected score (11 games)
  • 1000-1199 rating, UltraBullet: 46.2% expected score (102 games)
  • 1000-1199 rating, Bullet: 51.6% expected score (3,936 games)
  • 1000-1199 rating, Blitz: 50.8% expected score (5,663 games)
  • 1000-1199 rating, Rapid: 47.6% expected score (1,987 games)
  • 1000-1199 rating, Classical: 47.9% expected score (46 games)
  • 1200-1399 rating, UltraBullet: 47.7% expected score (193 games)
  • 1200-1399 rating, Bullet: 53.0% expected score (5,699 games)
  • 1200-1399 rating, Blitz: 51.0% expected score (7,896 games)
  • 1200-1399 rating, Rapid: 50.0% expected score (2,862 games)
  • 1200-1399 rating, Classical: 46.8% expected score (91 games)
  • 1400-1599 rating, UltraBullet: 43.9% expected score (307 games)
  • 1400-1599 rating, Bullet: 51.9% expected score (7,532 games)
  • 1400-1599 rating, Blitz: 51.8% expected score (9,954 games)
  • 1400-1599 rating, Rapid: 49.7% expected score (3,287 games)
  • 1400-1599 rating, Classical: 41.2% expected score (173 games)
  • 1600-1799 rating, UltraBullet: 46.9% expected score (189 games)
  • 1600-1799 rating, Bullet: 53.1% expected score (8,626 games)
  • 1600-1799 rating, Blitz: 53.6% expected score (10,539 games)
  • 1600-1799 rating, Rapid: 50.3% expected score (3,238 games)
  • 1600-1799 rating, Classical: 48.5% expected score (98 games)
  • 1800-1999 rating, UltraBullet: 51.3% expected score (37 games)
  • 1800-1999 rating, Bullet: 52.8% expected score (10,038 games)
  • 1800-1999 rating, Blitz: 54.0% expected score (8,652 games)
  • 1800-1999 rating, Rapid: 54.1% expected score (1,890 games)
  • 1800-1999 rating, Classical: 55.9% expected score (67 games)
  • 2000-2199 rating, UltraBullet: 51.8% expected score (26 games)
  • 2000-2199 rating, Bullet: 53.0% expected score (7,529 games)
  • 2000-2199 rating, Blitz: 54.9% expected score (4,273 games)
  • 2000-2199 rating, Rapid: 52.8% expected score (652 games)
  • 2000-2199 rating, Classical: 61.2% expected score (3 games)
  • 2200-2499 rating, UltraBullet: 50.0% expected score (14 games)
  • 2200-2499 rating, Bullet: 53.6% expected score (4,864 games)
  • 2200-2499 rating, Blitz: 55.7% expected score (940 games)
  • 2200-2499 rating, Rapid: 49.3% expected score (65 games)
  • 2500+ rating, Bullet: 51.1% expected score (337 games)
  • 2500+ rating, Blitz: 78.6% expected score (2 games)

Related Openings

Parent
French Defense
45.7%
Variations (5)
French Defense: Advance Variation
48.0%
French Defense: Advance Variation, Euwe Variation
46.1%
French Defense: Advance Variation, Extended Bishop Swap
48.6%
French Defense: Advance Variation, Frenkel Gambit
46.5%
French Defense: Advance Variation, Lputian Variation
48.8%
Analyze French Defense: Diemer-Duhm Gambit PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the French Defense: Diemer-Duhm Gambit win rate?

The French Defense: Diemer-Duhm Gambit has a 50.4% (90% CI: 50.2%-50.6%) win rate for white, based on 119K rated games from Lichess.

At what rating does the French Defense: Diemer-Duhm Gambit perform best?

The French Defense: Diemer-Duhm Gambit performs best at 1800-1999 Elo with a 51.7% win rate for white (21K games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the French Defense: Diemer-Duhm Gambit better in blitz or rapid?

Bullet (51.3%) outperforms Classical (43.9%) by 7.4%. Choose your time control wisely.

How sharp is the French Defense: Diemer-Duhm Gambit?

The French Defense: Diemer-Duhm Gambit has a sharpness score of 96.7 (very decisive), meaning 96.7% of games end decisively. Average game length is 31 moves.

What is the French Defense: Diemer-Duhm Gambit win rate at 0-999 Elo?

At 0-999 Elo, the French Defense: Diemer-Duhm Gambit has a 46.4% (90% CI: 45.4%-47.3%) win rate for white, based on 7.6K Lichess games. Average game length is 26 moves with a 3.6% draw rate.

What is the French Defense: Diemer-Duhm Gambit win rate at 1000-1199 Elo?

At 1000-1199 Elo, the French Defense: Diemer-Duhm Gambit has a 49.0% (90% CI: 48.2%-49.7%) win rate for white, based on 12K Lichess games. Average game length is 28 moves with a 2.9% draw rate.

What is the French Defense: Diemer-Duhm Gambit win rate at 1200-1399 Elo?

At 1200-1399 Elo, the French Defense: Diemer-Duhm Gambit has a 50.0% (90% CI: 49.4%-50.7%) win rate for white, based on 17K Lichess games. Average game length is 29 moves with a 2.8% draw rate.

What is the French Defense: Diemer-Duhm Gambit win rate at 1400-1599 Elo?

At 1400-1599 Elo, the French Defense: Diemer-Duhm Gambit has a 49.7% (90% CI: 49.2%-50.3%) win rate for white, based on 21K Lichess games. Average game length is 31 moves with a 3.1% draw rate.

What is the French Defense: Diemer-Duhm Gambit win rate at 1600-1799 Elo?

At 1600-1799 Elo, the French Defense: Diemer-Duhm Gambit has a 51.1% (90% CI: 50.6%-51.6%) win rate for white, based on 23K Lichess games. Average game length is 32 moves with a 3.4% draw rate.

What is the French Defense: Diemer-Duhm Gambit win rate at 1800-1999 Elo?

At 1800-1999 Elo, the French Defense: Diemer-Duhm Gambit has a 51.7% (90% CI: 51.2%-52.3%) win rate for white, based on 21K Lichess games. Average game length is 33 moves with a 3.3% draw rate.

What is the French Defense: Diemer-Duhm Gambit win rate at 2000-2199 Elo?

At 2000-2199 Elo, the French Defense: Diemer-Duhm Gambit has a 51.7% (90% CI: 51.0%-52.5%) win rate for white, based on 12K Lichess games. Average game length is 34 moves with a 3.7% draw rate.

What is the French Defense: Diemer-Duhm Gambit win rate at 2200-2499 Elo?

At 2200-2499 Elo, the French Defense: Diemer-Duhm Gambit has a 52.1% (90% CI: 51.0%-53.1%) win rate for white, based on 5.9K Lichess games. Average game length is 36 moves with a 3.7% draw rate.

What is the French Defense: Diemer-Duhm Gambit win rate at 2500+ Elo?

At 2500+ Elo, the French Defense: Diemer-Duhm Gambit has a 48.0% (90% CI: 43.6%-52.5%) win rate for white, based on 339 Lichess games. Average game length is 38 moves with a 6.6% draw rate.

What is the French Defense: Diemer-Duhm Gambit win rate in UltraBullet?

In UltraBullet games, the French Defense: Diemer-Duhm Gambit has a 45.6% (90% CI: 42.9%-48.2%) win rate for white (926 Lichess games). Draw rate is 1.5%.

What is the French Defense: Diemer-Duhm Gambit win rate in Bullet?

In Bullet games, the French Defense: Diemer-Duhm Gambit has a 51.3% (90% CI: 50.9%-51.7%) win rate for white (51K Lichess games). Draw rate is 2.5%.

What is the French Defense: Diemer-Duhm Gambit win rate in Blitz?

In Blitz games, the French Defense: Diemer-Duhm Gambit has a 50.5% (90% CI: 50.2%-50.9%) win rate for white (52K Lichess games). Draw rate is 3.7%.

What is the French Defense: Diemer-Duhm Gambit win rate in Rapid?

In Rapid games, the French Defense: Diemer-Duhm Gambit has a 47.7% (90% CI: 47.0%-48.3%) win rate for white (16K Lichess games). Draw rate is 4.4%.

What is the French Defense: Diemer-Duhm Gambit win rate in Classical?

In Classical games, the French Defense: Diemer-Duhm Gambit has a 43.9% (90% CI: 40.3%-47.6%) win rate for white (489 Lichess games). Draw rate is 5.2%.

Is the French Defense: Diemer-Duhm Gambit a good opening?

The French Defense: Diemer-Duhm Gambit is statistically balanced with a 50.4% (90% CI: 50.2%-50.6%) win rate across all ratings. It performs best at 1800-1999 Elo. Your results depend on your rating, time control, and how well you know the typical plans.