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King's Gambit Accepted: Cunningham Defense, Bertin Gambit

129K games from Lichess · Updated January 2026

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White Expected Score56.8%Range (90% confident): 56.6% – 57.0%Based on 129K games
0%56.8%100%
Range (90% confident): 56.6% – 57.0%
Outcome Distribution
55.4%2.7%41.9%
Win
Draw
Loss
7.Kh1
King's Gambit Accepted: Cunningham Defense, Bertin Gambit
Analyzen=129K
Avg Length28 moves
Sharpness97%
Draw Rate2.7%

What is the King's Gambit Accepted: Cunningham Defense, Bertin Gambit expected score for White?

Snapshot

At all ratings, the King's Gambit Accepted: Cunningham Defense, Bertin Gambit has a 56.8% expected score for White (we're 90% confident it's between 56.6% and 57.0%), based on 129K Lichess games.

Extra Analysis

Deep-dive datasets for this opening

Gambit BreakpointWhite

Peak: +15.1% · Breakpoint: 0-999

Traps & Chaos

Complexity: 96.7 · Trap factor: +11.1 · n=129K

White Win% by Rating

Improves with rating: 45% → 49%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 45.1% win rate (277 games)
  • 1000-1199: 50.3% win rate (1,124 games)
  • 1200-1399: 50.1% win rate (4,610 games)
  • 1400-1599: 52.9% win rate (14,123 games)
  • 1600-1799: 56.8% win rate (39,967 games)
  • 1800-1999: 56.1% win rate (50,909 games)
  • 2000-2199: 54.2% win rate (15,924 games)
  • 2200-2499: 51.5% win rate (1,709 games)
  • 2500+: 48.9% win rate (22 games)

White Win% by Time Control

Best in UltraBullet (64%), worst in Bullet (54%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 63.6% win rate (15 games)
  • Bullet: 54.1% win rate (20,878 games)
  • Blitz: 55.6% win rate (86,211 games)
  • Rapid: 55.7% win rate (21,021 games)
  • Classical: 58.8% win rate (540 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: 50.0% expected score (2 games)
  • 0-999 rating, Bullet: 54.3% expected score (150 games)
  • 0-999 rating, Blitz: 36.8% expected score (89 games)
  • 0-999 rating, Rapid: 38.0% expected score (36 games)
  • 1000-1199 rating, UltraBullet: 78.6% expected score (2 games)
  • 1000-1199 rating, Bullet: 56.3% expected score (551 games)
  • 1000-1199 rating, Blitz: 45.7% expected score (482 games)
  • 1000-1199 rating, Rapid: 45.5% expected score (88 games)
  • 1000-1199 rating, Classical: 70.0% expected score (1 games)
  • 1200-1399 rating, UltraBullet: 71.8% expected score (10 games)
  • 1200-1399 rating, Bullet: 54.5% expected score (1,633 games)
  • 1200-1399 rating, Blitz: 49.3% expected score (2,561 games)
  • 1200-1399 rating, Rapid: 45.4% expected score (396 games)
  • 1200-1399 rating, Classical: 58.7% expected score (10 games)
  • 1400-1599 rating, UltraBullet: 30.0% expected score (1 games)
  • 1400-1599 rating, Bullet: 56.5% expected score (3,425 games)
  • 1400-1599 rating, Blitz: 54.6% expected score (8,964 games)
  • 1400-1599 rating, Rapid: 45.8% expected score (1,689 games)
  • 1400-1599 rating, Classical: 44.6% expected score (44 games)
  • 1600-1799 rating, Bullet: 56.1% expected score (5,958 games)
  • 1600-1799 rating, Blitz: 58.8% expected score (28,376 games)
  • 1600-1799 rating, Rapid: 55.8% expected score (5,485 games)
  • 1600-1799 rating, Classical: 54.4% expected score (148 games)
  • 1800-1999 rating, Bullet: 53.9% expected score (5,787 games)
  • 1800-1999 rating, Blitz: 57.6% expected score (34,985 games)
  • 1800-1999 rating, Rapid: 59.4% expected score (9,841 games)
  • 1800-1999 rating, Classical: 65.3% expected score (296 games)
  • 2000-2199 rating, Bullet: 54.0% expected score (2,687 games)
  • 2000-2199 rating, Blitz: 54.9% expected score (9,888 games)
  • 2000-2199 rating, Rapid: 60.9% expected score (3,309 games)
  • 2000-2199 rating, Classical: 71.7% expected score (40 games)
  • 2200-2499 rating, Bullet: 53.4% expected score (670 games)
  • 2200-2499 rating, Blitz: 53.3% expected score (861 games)
  • 2200-2499 rating, Rapid: 59.3% expected score (177 games)
  • 2200-2499 rating, Classical: 70.0% expected score (1 games)
  • 2500+ rating, Bullet: 41.9% expected score (17 games)
  • 2500+ rating, Blitz: 73.1% expected score (5 games)

Related Openings

Parent
King's Gambit Accepted
43.1%
Variations (5)
King's Gambit Accepted: Abbazia Defense
46.9%
King's Gambit Accepted: Allgaier Gambit
55.5%
King's Gambit Accepted: Allgaier Gambit, Thorold Attack
59.1%
King's Gambit Accepted: Allgaier Gambit, Urusov Attack
55.2%
King's Gambit Accepted: Allgaier, Blackburne Gambit
57.5%
Analyze King's Gambit Accepted: Cunningham Defense, Bertin Gambit PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the King's Gambit Accepted: Cunningham Defense, Bertin Gambit win rate?

The King's Gambit Accepted: Cunningham Defense, Bertin Gambit has a 55.4% (90% CI: 55.2%-55.6%) win rate for white, based on 129K rated games from Lichess.

At what rating does the King's Gambit Accepted: Cunningham Defense, Bertin Gambit perform best?

The King's Gambit Accepted: Cunningham Defense, Bertin Gambit performs best at 1600-1799 Elo with a 56.8% win rate for white (40K games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the King's Gambit Accepted: Cunningham Defense, Bertin Gambit better in blitz or rapid?

Blitz (55.6%) outperforms Bullet (54.1%) by 1.5%. Choose your time control wisely.

How sharp is the King's Gambit Accepted: Cunningham Defense, Bertin Gambit?

The King's Gambit Accepted: Cunningham Defense, Bertin Gambit has a sharpness score of 97.3 (very decisive), meaning 97.3% of games end decisively. Average game length is 28 moves.

What is the King's Gambit Accepted: Cunningham Defense, Bertin Gambit win rate at 0-999 Elo?

At 0-999 Elo, the King's Gambit Accepted: Cunningham Defense, Bertin Gambit has a 45.1% (90% CI: 40.2%-50.0%) win rate for white, based on 277 Lichess games. Average game length is 21 moves with a 2.7% draw rate.

What is the King's Gambit Accepted: Cunningham Defense, Bertin Gambit win rate at 1000-1199 Elo?

At 1000-1199 Elo, the King's Gambit Accepted: Cunningham Defense, Bertin Gambit has a 50.3% (90% CI: 47.9%-52.8%) win rate for white, based on 1.1K Lichess games. Average game length is 22 moves with a 1.3% draw rate.

What is the King's Gambit Accepted: Cunningham Defense, Bertin Gambit win rate at 1200-1399 Elo?

At 1200-1399 Elo, the King's Gambit Accepted: Cunningham Defense, Bertin Gambit has a 50.1% (90% CI: 48.8%-51.3%) win rate for white, based on 4.6K Lichess games. Average game length is 24 moves with a 1.6% draw rate.

What is the King's Gambit Accepted: Cunningham Defense, Bertin Gambit win rate at 1400-1599 Elo?

At 1400-1599 Elo, the King's Gambit Accepted: Cunningham Defense, Bertin Gambit has a 52.9% (90% CI: 52.3%-53.6%) win rate for white, based on 14K Lichess games. Average game length is 25 moves with a 2.0% draw rate.

What is the King's Gambit Accepted: Cunningham Defense, Bertin Gambit win rate at 1600-1799 Elo?

At 1600-1799 Elo, the King's Gambit Accepted: Cunningham Defense, Bertin Gambit has a 56.8% (90% CI: 56.4%-57.2%) win rate for white, based on 40K Lichess games. Average game length is 27 moves with a 2.3% draw rate.

What is the King's Gambit Accepted: Cunningham Defense, Bertin Gambit win rate at 1800-1999 Elo?

At 1800-1999 Elo, the King's Gambit Accepted: Cunningham Defense, Bertin Gambit has a 56.1% (90% CI: 55.8%-56.5%) win rate for white, based on 51K Lichess games. Average game length is 29 moves with a 2.9% draw rate.

What is the King's Gambit Accepted: Cunningham Defense, Bertin Gambit win rate at 2000-2199 Elo?

At 2000-2199 Elo, the King's Gambit Accepted: Cunningham Defense, Bertin Gambit has a 54.2% (90% CI: 53.5%-54.8%) win rate for white, based on 16K Lichess games. Average game length is 31 moves with a 3.6% draw rate.

What is the King's Gambit Accepted: Cunningham Defense, Bertin Gambit win rate at 2200-2499 Elo?

At 2200-2499 Elo, the King's Gambit Accepted: Cunningham Defense, Bertin Gambit has a 51.5% (90% CI: 49.5%-53.5%) win rate for white, based on 1.7K Lichess games. Average game length is 31 moves with a 5.1% draw rate.

What is the King's Gambit Accepted: Cunningham Defense, Bertin Gambit win rate in Bullet?

In Bullet games, the King's Gambit Accepted: Cunningham Defense, Bertin Gambit has a 54.1% (90% CI: 53.6%-54.7%) win rate for white (21K Lichess games). Draw rate is 1.8%.

What is the King's Gambit Accepted: Cunningham Defense, Bertin Gambit win rate in Blitz?

In Blitz games, the King's Gambit Accepted: Cunningham Defense, Bertin Gambit has a 55.6% (90% CI: 55.3%-55.9%) win rate for white (86K Lichess games). Draw rate is 2.8%.

What is the King's Gambit Accepted: Cunningham Defense, Bertin Gambit win rate in Rapid?

In Rapid games, the King's Gambit Accepted: Cunningham Defense, Bertin Gambit has a 55.7% (90% CI: 55.2%-56.3%) win rate for white (21K Lichess games). Draw rate is 3.0%.

What is the King's Gambit Accepted: Cunningham Defense, Bertin Gambit win rate in Classical?

In Classical games, the King's Gambit Accepted: Cunningham Defense, Bertin Gambit has a 58.8% (90% CI: 55.3%-62.3%) win rate for white (540 Lichess games). Draw rate is 4.7%.

Is the King's Gambit Accepted: Cunningham Defense, Bertin Gambit a good opening?

The King's Gambit Accepted: Cunningham Defense, Bertin Gambit is statistically favors white with a 55.4% (90% CI: 55.2%-55.6%) 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.