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Petrov's Defense: Cochrane Gambit

26K games from Lichess · Updated January 2026

Playable
White Expected Score52.1%Range (90% confident): 51.6% – 52.6%Based on 26K games
0%52.1%100%
Range (90% confident): 51.6% – 52.6%
Outcome Distribution
50.4%3.4%46.2%
Win
Draw
Loss
4.Nxf7
Petrov's Defense: Cochrane Gambit
Analyzen=26K
Avg Length30 moves
Sharpness97%
Draw Rate3.4%

What is the Petrov's Defense: Cochrane Gambit expected score for White?

Snapshot

At all ratings, the Petrov's Defense: Cochrane Gambit has a 52.1% expected score for White (we're 90% confident it's between 51.6% and 52.6%), based on 26K Lichess games.

Extra Analysis

Deep-dive datasets for this opening

Gambit BreakpointWhite

Peak: +20.3% · Breakpoint: 0-999

Time-Control Swing

Max swing: 13.2% · Bullet best · Classical worst

White Win% by Rating

Improves with rating: 47% → 63%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 47.0% win rate (2,137 games)
  • 1000-1199: 49.7% win rate (2,658 games)
  • 1200-1399: 47.9% win rate (3,147 games)
  • 1400-1599: 48.1% win rate (3,694 games)
  • 1600-1799: 50.1% win rate (3,994 games)
  • 1800-1999: 52.2% win rate (4,400 games)
  • 2000-2199: 52.3% win rate (3,573 games)
  • 2200-2499: 53.5% win rate (2,187 games)
  • 2500+: 62.7% win rate (312 games)

White Win% by Time Control

Best in Bullet (55%), worst in Classical (42%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 50.6% win rate (201 games)
  • Bullet: 55.1% win rate (7,756 games)
  • Blitz: 49.1% win rate (13,836 games)
  • Rapid: 46.0% win rate (4,147 games)
  • Classical: 41.9% win rate (162 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: 64.3% expected score (9 games)
  • 0-999 rating, Bullet: 48.8% expected score (659 games)
  • 0-999 rating, Blitz: 49.2% expected score (977 games)
  • 0-999 rating, Rapid: 48.3% expected score (490 games)
  • 0-999 rating, Classical: 50.0% expected score (2 games)
  • 1000-1199 rating, UltraBullet: 50.0% expected score (18 games)
  • 1000-1199 rating, Bullet: 54.6% expected score (796 games)
  • 1000-1199 rating, Blitz: 49.7% expected score (1,345 games)
  • 1000-1199 rating, Rapid: 50.2% expected score (485 games)
  • 1000-1199 rating, Classical: 50.0% expected score (14 games)
  • 1200-1399 rating, UltraBullet: 35.3% expected score (29 games)
  • 1200-1399 rating, Bullet: 51.8% expected score (821 games)
  • 1200-1399 rating, Blitz: 47.6% expected score (1,598 games)
  • 1200-1399 rating, Rapid: 50.4% expected score (678 games)
  • 1200-1399 rating, Classical: 38.9% expected score (21 games)
  • 1400-1599 rating, UltraBullet: 53.9% expected score (50 games)
  • 1400-1599 rating, Bullet: 56.6% expected score (1,020 games)
  • 1400-1599 rating, Blitz: 48.7% expected score (1,814 games)
  • 1400-1599 rating, Rapid: 43.8% expected score (764 games)
  • 1400-1599 rating, Classical: 42.7% expected score (46 games)
  • 1600-1799 rating, UltraBullet: 50.0% expected score (27 games)
  • 1600-1799 rating, Bullet: 60.3% expected score (1,006 games)
  • 1600-1799 rating, Blitz: 50.2% expected score (2,301 games)
  • 1600-1799 rating, Rapid: 45.1% expected score (622 games)
  • 1600-1799 rating, Classical: 36.1% expected score (38 games)
  • 1800-1999 rating, UltraBullet: 53.8% expected score (38 games)
  • 1800-1999 rating, Bullet: 57.1% expected score (1,293 games)
  • 1800-1999 rating, Blitz: 53.9% expected score (2,401 games)
  • 1800-1999 rating, Rapid: 47.9% expected score (632 games)
  • 1800-1999 rating, Classical: 52.7% expected score (36 games)
  • 2000-2199 rating, UltraBullet: 55.1% expected score (18 games)
  • 2000-2199 rating, Bullet: 58.2% expected score (985 games)
  • 2000-2199 rating, Blitz: 52.4% expected score (2,207 games)
  • 2000-2199 rating, Rapid: 55.2% expected score (358 games)
  • 2000-2199 rating, Classical: 42.4% expected score (5 games)
  • 2200-2499 rating, UltraBullet: 64.9% expected score (12 games)
  • 2200-2499 rating, Bullet: 56.7% expected score (979 games)
  • 2200-2499 rating, Blitz: 54.6% expected score (1,080 games)
  • 2200-2499 rating, Rapid: 53.4% expected score (116 games)
  • 2500+ rating, Bullet: 70.9% expected score (197 games)
  • 2500+ rating, Blitz: 54.8% expected score (113 games)
  • 2500+ rating, Rapid: 21.5% expected score (2 games)

Related Openings

Parent
Petrov's Defense
49.1%
Variations (5)
Petrov's Defense: Classical Attack
50.2%
Petrov's Defense: Classical Attack, Berger Variation
41.7%
Petrov's Defense: Classical Attack, Chigorin Variation
45.3%
Petrov's Defense: Classical Attack, Chigorin Variation, Browne Attack
46.5%
Petrov's Defense: Classical Attack, Chigorin Variation, Main Line
38.0%
Continuations (2)
Petrov's Defense: Cochrane Gambit, Bishop Check Line
49.4%
Petrov's Defense: Cochrane Gambit, Center Variation
51.4%
Analyze Petrov's Defense: Cochrane Gambit PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Petrov's Defense: Cochrane Gambit win rate?

The Petrov's Defense: Cochrane Gambit has a 50.4% (90% CI: 49.8%-50.9%) win rate for white, based on 26K rated games from Lichess.

At what rating does the Petrov's Defense: Cochrane Gambit perform best?

The Petrov's Defense: Cochrane Gambit performs best at 2500+ Elo with a 62.7% win rate for white (312 games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Petrov's Defense: Cochrane Gambit better in blitz or rapid?

Bullet (55.1%) outperforms Classical (41.9%) by 13.2%. Choose your time control wisely.

How sharp is the Petrov's Defense: Cochrane Gambit?

The Petrov's Defense: Cochrane Gambit has a sharpness score of 96.6 (very decisive), meaning 96.6% of games end decisively. Average game length is 30 moves.

What is the Petrov's Defense: Cochrane Gambit win rate at 0-999 Elo?

At 0-999 Elo, the Petrov's Defense: Cochrane Gambit has a 47.0% (90% CI: 45.2%-48.7%) win rate for white, based on 2.1K Lichess games. Average game length is 24 moves with a 3.9% draw rate.

What is the Petrov's Defense: Cochrane Gambit win rate at 1000-1199 Elo?

At 1000-1199 Elo, the Petrov's Defense: Cochrane Gambit has a 49.7% (90% CI: 48.1%-51.3%) win rate for white, based on 2.7K Lichess games. Average game length is 26 moves with a 3.1% draw rate.

What is the Petrov's Defense: Cochrane Gambit win rate at 1200-1399 Elo?

At 1200-1399 Elo, the Petrov's Defense: Cochrane Gambit has a 47.9% (90% CI: 46.4%-49.4%) win rate for white, based on 3.1K Lichess games. Average game length is 28 moves with a 2.4% draw rate.

What is the Petrov's Defense: Cochrane Gambit win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Petrov's Defense: Cochrane Gambit has a 48.1% (90% CI: 46.7%-49.4%) win rate for white, based on 3.7K Lichess games. Average game length is 29 moves with a 3.6% draw rate.

What is the Petrov's Defense: Cochrane Gambit win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Petrov's Defense: Cochrane Gambit has a 50.1% (90% CI: 48.8%-51.4%) win rate for white, based on 4.0K Lichess games. Average game length is 30 moves with a 3.3% draw rate.

What is the Petrov's Defense: Cochrane Gambit win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Petrov's Defense: Cochrane Gambit has a 52.2% (90% CI: 51.0%-53.4%) win rate for white, based on 4.4K Lichess games. Average game length is 31 moves with a 3.5% draw rate.

What is the Petrov's Defense: Cochrane Gambit win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Petrov's Defense: Cochrane Gambit has a 52.3% (90% CI: 50.9%-53.6%) win rate for white, based on 3.6K Lichess games. Average game length is 32 moves with a 4.0% draw rate.

What is the Petrov's Defense: Cochrane Gambit win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Petrov's Defense: Cochrane Gambit has a 53.5% (90% CI: 51.7%-55.2%) win rate for white, based on 2.2K Lichess games. Average game length is 33 moves with a 4.0% draw rate.

What is the Petrov's Defense: Cochrane Gambit win rate at 2500+ Elo?

At 2500+ Elo, the Petrov's Defense: Cochrane Gambit has a 62.7% (90% CI: 58.1%-67.1%) win rate for white, based on 312 Lichess games. Average game length is 34 moves with a 4.0% draw rate.

What is the Petrov's Defense: Cochrane Gambit win rate in UltraBullet?

In UltraBullet games, the Petrov's Defense: Cochrane Gambit has a 50.6% (90% CI: 44.8%-56.4%) win rate for white (201 Lichess games). Draw rate is 2.2%.

What is the Petrov's Defense: Cochrane Gambit win rate in Bullet?

In Bullet games, the Petrov's Defense: Cochrane Gambit has a 55.1% (90% CI: 54.2%-56.1%) win rate for white (7.8K Lichess games). Draw rate is 2.5%.

What is the Petrov's Defense: Cochrane Gambit win rate in Blitz?

In Blitz games, the Petrov's Defense: Cochrane Gambit has a 49.1% (90% CI: 48.4%-49.8%) win rate for white (14K Lichess games). Draw rate is 3.7%.

What is the Petrov's Defense: Cochrane Gambit win rate in Rapid?

In Rapid games, the Petrov's Defense: Cochrane Gambit has a 46.0% (90% CI: 44.7%-47.3%) win rate for white (4.1K Lichess games). Draw rate is 4.4%.

What is the Petrov's Defense: Cochrane Gambit win rate in Classical?

In Classical games, the Petrov's Defense: Cochrane Gambit has a 41.9% (90% CI: 35.6%-48.3%) win rate for white (162 Lichess games). Draw rate is 2.8%.

Is the Petrov's Defense: Cochrane Gambit a good opening?

The Petrov's Defense: Cochrane Gambit is statistically balanced with a 50.4% (90% CI: 49.8%-50.9%) 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.