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Petrov's Defense: Cochrane Gambit, Bishop Check Line

57K games from Lichess · Updated January 2026

Playable
White Expected Score51.1%Range (90% confident): 50.8% – 51.4%Based on 57K games
0%51.1%100%
Range (90% confident): 50.8% – 51.4%
Outcome Distribution
49.4%3.3%47.3%
Win
Draw
Loss
5.Bc4+
Petrov's Defense: Cochrane Gambit, Bishop Check Line
Analyzen=57K
Avg Length31 moves
Sharpness97%
Draw Rate3.3%

What is the Petrov's Defense: Cochrane Gambit, Bishop Check Line expected score for White?

Snapshot

At all ratings, the Petrov's Defense: Cochrane Gambit, Bishop Check Line has a 51.1% expected score for White (we're 90% confident it's between 50.8% and 51.4%), based on 57K Lichess games.

Extra Analysis

Deep-dive datasets for this opening

Gambit BreakpointWhite

Peak: +5.7% · Breakpoint: 1400-1599

Traps & Chaos

Complexity: 94.1 · Trap factor: +21.1 · n=57K

White Win% by Rating

Declines with rating: 50% → 43%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 50.1% win rate (4,181 games)
  • 1000-1199: 52.4% win rate (6,448 games)
  • 1200-1399: 51.1% win rate (8,832 games)
  • 1400-1599: 48.5% win rate (10,697 games)
  • 1600-1799: 48.0% win rate (10,566 games)
  • 1800-1999: 49.1% win rate (9,117 games)
  • 2000-2199: 47.5% win rate (4,820 games)
  • 2200-2499: 49.2% win rate (1,754 games)
  • 2500+: 42.7% win rate (145 games)

White Win% by Time Control

Best in UltraBullet (55%), worst in Classical (48%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 55.3% win rate (462 games)
  • Bullet: 49.4% win rate (13,660 games)
  • Blitz: 49.2% win rate (30,626 games)
  • Rapid: 49.6% win rate (11,389 games)
  • Classical: 47.9% win rate (423 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 (6 games)
  • 0-999 rating, Bullet: 52.3% expected score (1,051 games)
  • 0-999 rating, Blitz: 52.6% expected score (2,019 games)
  • 0-999 rating, Rapid: 50.8% expected score (1,097 games)
  • 0-999 rating, Classical: 39.5% expected score (8 games)
  • 1000-1199 rating, UltraBullet: 50.0% expected score (6 games)
  • 1000-1199 rating, Bullet: 51.6% expected score (1,544 games)
  • 1000-1199 rating, Blitz: 53.9% expected score (3,457 games)
  • 1000-1199 rating, Rapid: 56.4% expected score (1,403 games)
  • 1000-1199 rating, Classical: 58.9% expected score (38 games)
  • 1200-1399 rating, UltraBullet: 57.8% expected score (37 games)
  • 1200-1399 rating, Bullet: 50.5% expected score (1,813 games)
  • 1200-1399 rating, Blitz: 52.2% expected score (4,775 games)
  • 1200-1399 rating, Rapid: 54.3% expected score (2,146 games)
  • 1200-1399 rating, Classical: 69.2% expected score (61 games)
  • 1400-1599 rating, UltraBullet: 59.8% expected score (85 games)
  • 1400-1599 rating, Bullet: 51.0% expected score (2,197 games)
  • 1400-1599 rating, Blitz: 49.2% expected score (5,825 games)
  • 1400-1599 rating, Rapid: 51.0% expected score (2,468 games)
  • 1400-1599 rating, Classical: 48.8% expected score (122 games)
  • 1600-1799 rating, UltraBullet: 57.1% expected score (34 games)
  • 1600-1799 rating, Bullet: 48.0% expected score (2,197 games)
  • 1600-1799 rating, Blitz: 50.9% expected score (6,068 games)
  • 1600-1799 rating, Rapid: 49.0% expected score (2,149 games)
  • 1600-1799 rating, Classical: 39.2% expected score (118 games)
  • 1800-1999 rating, UltraBullet: 55.2% expected score (212 games)
  • 1800-1999 rating, Bullet: 52.7% expected score (2,329 games)
  • 1800-1999 rating, Blitz: 50.4% expected score (4,982 games)
  • 1800-1999 rating, Rapid: 49.2% expected score (1,522 games)
  • 1800-1999 rating, Classical: 44.6% expected score (72 games)
  • 2000-2199 rating, UltraBullet: 53.3% expected score (60 games)
  • 2000-2199 rating, Bullet: 50.8% expected score (1,487 games)
  • 2000-2199 rating, Blitz: 48.9% expected score (2,751 games)
  • 2000-2199 rating, Rapid: 49.7% expected score (518 games)
  • 2000-2199 rating, Classical: 31.9% expected score (4 games)
  • 2200-2499 rating, UltraBullet: 62.8% expected score (22 games)
  • 2200-2499 rating, Bullet: 48.8% expected score (910 games)
  • 2200-2499 rating, Blitz: 52.7% expected score (736 games)
  • 2200-2499 rating, Rapid: 61.5% expected score (86 games)
  • 2500+ rating, Bullet: 47.0% expected score (132 games)
  • 2500+ rating, Blitz: 50.0% expected score (13 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%
Analyze Petrov's Defense: Cochrane Gambit, Bishop Check Line PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Petrov's Defense: Cochrane Gambit, Bishop Check Line win rate?

The Petrov's Defense: Cochrane Gambit, Bishop Check Line has a 49.4% (90% CI: 49.1%-49.7%) win rate for white, based on 57K rated games from Lichess.

At what rating does the Petrov's Defense: Cochrane Gambit, Bishop Check Line perform best?

The Petrov's Defense: Cochrane Gambit, Bishop Check Line performs best at 1000-1199 Elo with a 52.4% win rate for white (6.4K games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Petrov's Defense: Cochrane Gambit, Bishop Check Line better in blitz or rapid?

UltraBullet (55.3%) outperforms Classical (47.9%) by 7.4%. Choose your time control wisely.

How sharp is the Petrov's Defense: Cochrane Gambit, Bishop Check Line?

The Petrov's Defense: Cochrane Gambit, Bishop Check Line 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 Petrov's Defense: Cochrane Gambit, Bishop Check Line win rate at 0-999 Elo?

At 0-999 Elo, the Petrov's Defense: Cochrane Gambit, Bishop Check Line has a 50.1% (90% CI: 48.9%-51.4%) win rate for white, based on 4.2K Lichess games. Average game length is 26 moves with a 3.6% draw rate.

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

At 1000-1199 Elo, the Petrov's Defense: Cochrane Gambit, Bishop Check Line has a 52.4% (90% CI: 51.4%-53.4%) win rate for white, based on 6.4K Lichess games. Average game length is 28 moves with a 3.0% draw rate.

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

At 1200-1399 Elo, the Petrov's Defense: Cochrane Gambit, Bishop Check Line has a 51.1% (90% CI: 50.2%-52.0%) win rate for white, based on 8.8K Lichess games. Average game length is 29 moves with a 2.8% draw rate.

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

At 1400-1599 Elo, the Petrov's Defense: Cochrane Gambit, Bishop Check Line has a 48.5% (90% CI: 47.7%-49.3%) win rate for white, based on 11K Lichess games. Average game length is 31 moves with a 3.1% draw rate.

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

At 1600-1799 Elo, the Petrov's Defense: Cochrane Gambit, Bishop Check Line has a 48.0% (90% CI: 47.2%-48.8%) win rate for white, based on 11K Lichess games. Average game length is 33 moves with a 3.6% draw rate.

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

At 1800-1999 Elo, the Petrov's Defense: Cochrane Gambit, Bishop Check Line has a 49.1% (90% CI: 48.3%-50.0%) win rate for white, based on 9.1K Lichess games. Average game length is 34 moves with a 3.3% draw rate.

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

At 2000-2199 Elo, the Petrov's Defense: Cochrane Gambit, Bishop Check Line has a 47.5% (90% CI: 46.3%-48.6%) win rate for white, based on 4.8K Lichess games. Average game length is 35 moves with a 4.2% draw rate.

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

At 2200-2499 Elo, the Petrov's Defense: Cochrane Gambit, Bishop Check Line has a 49.2% (90% CI: 47.2%-51.2%) win rate for white, based on 1.8K Lichess games. Average game length is 36 moves with a 4.0% draw rate.

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

At 2500+ Elo, the Petrov's Defense: Cochrane Gambit, Bishop Check Line has a 42.7% (90% CI: 36.0%-49.4%) win rate for white, based on 145 Lichess games. Average game length is 38 moves with a 9.2% draw rate.

What is the Petrov's Defense: Cochrane Gambit, Bishop Check Line win rate in UltraBullet?

In UltraBullet games, the Petrov's Defense: Cochrane Gambit, Bishop Check Line has a 55.3% (90% CI: 51.5%-59.1%) win rate for white (462 Lichess games). Draw rate is 2.3%.

What is the Petrov's Defense: Cochrane Gambit, Bishop Check Line win rate in Bullet?

In Bullet games, the Petrov's Defense: Cochrane Gambit, Bishop Check Line has a 49.4% (90% CI: 48.7%-50.2%) win rate for white (14K Lichess games). Draw rate is 2.4%.

What is the Petrov's Defense: Cochrane Gambit, Bishop Check Line win rate in Blitz?

In Blitz games, the Petrov's Defense: Cochrane Gambit, Bishop Check Line has a 49.2% (90% CI: 48.8%-49.7%) win rate for white (31K Lichess games). Draw rate is 3.5%.

What is the Petrov's Defense: Cochrane Gambit, Bishop Check Line win rate in Rapid?

In Rapid games, the Petrov's Defense: Cochrane Gambit, Bishop Check Line has a 49.6% (90% CI: 48.8%-50.3%) win rate for white (11K Lichess games). Draw rate is 4.2%.

What is the Petrov's Defense: Cochrane Gambit, Bishop Check Line win rate in Classical?

In Classical games, the Petrov's Defense: Cochrane Gambit, Bishop Check Line has a 47.9% (90% CI: 44.0%-51.9%) win rate for white (423 Lichess games). Draw rate is 1.8%.

Is the Petrov's Defense: Cochrane Gambit, Bishop Check Line a good opening?

The Petrov's Defense: Cochrane Gambit, Bishop Check Line is statistically balanced with a 49.4% (90% CI: 49.1%-49.7%) 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.