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King's Gambit Accepted: Cunningham Defense, McCormick Defense

55K games from Lichess · Updated January 2026

Playable
White Expected Score50.7%Range (90% confident): 50.3% – 51.0%Based on 55K games
0%50.7%100%
Range (90% confident): 50.3% – 51.0%
Outcome Distribution
48.8%3.7%47.5%
Win
Draw
Loss
4...Nf6
King's Gambit Accepted: Cunningham Defense, McCormick Defense
Analyzen=55K
Avg Length32 moves
Sharpness96%
Draw Rate3.7%

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

Snapshot

At all ratings, the King's Gambit Accepted: Cunningham Defense, McCormick Defense has a 50.7% expected score for White (we're 90% confident it's between 50.3% and 51.0%), based on 55K Lichess games.

Extra Analysis

Deep-dive datasets for this opening

Gambit BreakpointWhite

Peak: +3.5% · Breakpoint: 0-999

White Win% by Rating

Stable across ratings (~51%)

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 51.1% win rate (385 games)
  • 1000-1199: 53.2% win rate (1,288 games)
  • 1200-1399: 50.8% win rate (3,348 games)
  • 1400-1599: 50.4% win rate (8,072 games)
  • 1600-1799: 49.8% win rate (15,320 games)
  • 1800-1999: 48.1% win rate (16,707 games)
  • 2000-2199: 46.5% win rate (7,851 games)
  • 2200-2499: 42.6% win rate (1,927 games)
  • 2500+: 50.3% win rate (75 games)

White Win% by Time Control

Best in Bullet (50%), worst in Classical (44%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 49.1% win rate (26 games)
  • Bullet: 50.4% win rate (11,726 games)
  • Blitz: 48.5% win rate (34,720 games)
  • Rapid: 47.7% win rate (8,255 games)
  • Classical: 44.2% win rate (246 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: 57.4% expected score (174 games)
  • 0-999 rating, Blitz: 53.0% expected score (151 games)
  • 0-999 rating, Rapid: 37.8% expected score (60 games)
  • 1000-1199 rating, UltraBullet: 70.0% expected score (1 games)
  • 1000-1199 rating, Bullet: 57.2% expected score (536 games)
  • 1000-1199 rating, Blitz: 49.5% expected score (636 games)
  • 1000-1199 rating, Rapid: 63.0% expected score (114 games)
  • 1000-1199 rating, Classical: 70.0% expected score (1 games)
  • 1200-1399 rating, UltraBullet: 57.7% expected score (5 games)
  • 1200-1399 rating, Bullet: 55.9% expected score (967 games)
  • 1200-1399 rating, Blitz: 51.8% expected score (1,949 games)
  • 1200-1399 rating, Rapid: 44.3% expected score (415 games)
  • 1200-1399 rating, Classical: 35.2% expected score (12 games)
  • 1400-1599 rating, UltraBullet: 53.5% expected score (13 games)
  • 1400-1599 rating, Bullet: 52.5% expected score (1,968 games)
  • 1400-1599 rating, Blitz: 51.6% expected score (4,944 games)
  • 1400-1599 rating, Rapid: 50.8% expected score (1,112 games)
  • 1400-1599 rating, Classical: 52.8% expected score (35 games)
  • 1600-1799 rating, UltraBullet: 38.3% expected score (7 games)
  • 1600-1799 rating, Bullet: 52.5% expected score (3,122 games)
  • 1600-1799 rating, Blitz: 51.6% expected score (10,040 games)
  • 1600-1799 rating, Rapid: 50.8% expected score (2,053 games)
  • 1600-1799 rating, Classical: 43.0% expected score (98 games)
  • 1800-1999 rating, Bullet: 49.9% expected score (2,660 games)
  • 1800-1999 rating, Blitz: 50.2% expected score (11,111 games)
  • 1800-1999 rating, Rapid: 49.9% expected score (2,862 games)
  • 1800-1999 rating, Classical: 44.7% expected score (74 games)
  • 2000-2199 rating, Bullet: 49.1% expected score (1,718 games)
  • 2000-2199 rating, Blitz: 49.0% expected score (4,617 games)
  • 2000-2199 rating, Rapid: 48.8% expected score (1,491 games)
  • 2000-2199 rating, Classical: 53.8% expected score (25 games)
  • 2200-2499 rating, Bullet: 46.6% expected score (546 games)
  • 2200-2499 rating, Blitz: 45.4% expected score (1,233 games)
  • 2200-2499 rating, Rapid: 41.6% expected score (147 games)
  • 2200-2499 rating, Classical: 50.0% expected score (1 games)
  • 2500+ rating, Bullet: 54.1% expected score (35 games)
  • 2500+ rating, Blitz: 58.7% expected score (39 games)
  • 2500+ rating, Rapid: 30.0% expected score (1 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, McCormick Defense PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

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

The King's Gambit Accepted: Cunningham Defense, McCormick Defense has a 48.8% (90% CI: 48.4%-49.1%) win rate for white, based on 55K rated games from Lichess.

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

The King's Gambit Accepted: Cunningham Defense, McCormick Defense performs best at 1000-1199 Elo with a 53.2% win rate for white (1.3K games). Win rate tends to decline at higher ratings as opponents know the theory better.

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

Bullet (50.4%) outperforms Classical (44.2%) by 6.2%. Choose your time control wisely.

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

The King's Gambit Accepted: Cunningham Defense, McCormick Defense has a sharpness score of 96.3 (very decisive), meaning 96.3% of games end decisively. Average game length is 32 moves.

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

At 0-999 Elo, the King's Gambit Accepted: Cunningham Defense, McCormick Defense has a 51.1% (90% CI: 46.9%-55.3%) win rate for white, based on 385 Lichess games. Average game length is 23 moves with a 3.0% draw rate.

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

At 1000-1199 Elo, the King's Gambit Accepted: Cunningham Defense, McCormick Defense has a 53.2% (90% CI: 51.0%-55.5%) win rate for white, based on 1.3K Lichess games. Average game length is 26 moves with a 1.5% draw rate.

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

At 1200-1399 Elo, the King's Gambit Accepted: Cunningham Defense, McCormick Defense has a 50.8% (90% CI: 49.3%-52.2%) win rate for white, based on 3.3K Lichess games. Average game length is 28 moves with a 2.4% draw rate.

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

At 1400-1599 Elo, the King's Gambit Accepted: Cunningham Defense, McCormick Defense has a 50.4% (90% CI: 49.5%-51.4%) win rate for white, based on 8.1K Lichess games. Average game length is 29 moves with a 2.5% draw rate.

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

At 1600-1799 Elo, the King's Gambit Accepted: Cunningham Defense, McCormick Defense has a 49.8% (90% CI: 49.1%-50.4%) win rate for white, based on 15K Lichess games. Average game length is 32 moves with a 3.6% draw rate.

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

At 1800-1999 Elo, the King's Gambit Accepted: Cunningham Defense, McCormick Defense has a 48.1% (90% CI: 47.4%-48.7%) win rate for white, based on 17K Lichess games. Average game length is 33 moves with a 4.0% draw rate.

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

At 2000-2199 Elo, the King's Gambit Accepted: Cunningham Defense, McCormick Defense has a 46.5% (90% CI: 45.6%-47.5%) win rate for white, based on 7.9K Lichess games. Average game length is 34 moves with a 4.8% draw rate.

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

At 2200-2499 Elo, the King's Gambit Accepted: Cunningham Defense, McCormick Defense has a 42.6% (90% CI: 40.8%-44.5%) win rate for white, based on 1.9K Lichess games. Average game length is 35 moves with a 5.7% draw rate.

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

In Bullet games, the King's Gambit Accepted: Cunningham Defense, McCormick Defense has a 50.4% (90% CI: 49.7%-51.2%) win rate for white (12K Lichess games). Draw rate is 2.5%.

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

In Blitz games, the King's Gambit Accepted: Cunningham Defense, McCormick Defense has a 48.5% (90% CI: 48.1%-49.0%) win rate for white (35K Lichess games). Draw rate is 4.0%.

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

In Rapid games, the King's Gambit Accepted: Cunningham Defense, McCormick Defense has a 47.7% (90% CI: 46.7%-48.6%) win rate for white (8.3K Lichess games). Draw rate is 4.1%.

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

In Classical games, the King's Gambit Accepted: Cunningham Defense, McCormick Defense has a 44.2% (90% CI: 39.1%-49.5%) win rate for white (246 Lichess games). Draw rate is 3.0%.

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

The King's Gambit Accepted: Cunningham Defense, McCormick Defense is statistically balanced with a 48.8% (90% CI: 48.4%-49.1%) win rate across all ratings. It performs best at 1000-1199 Elo. Your results depend on your rating, time control, and how well you know the typical plans.