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Bishop's Opening: Boi Variation

4.6M games from Lichess · Updated January 2026

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White Expected Score54.6%Range (90% confident): 54.5% – 54.6%Based on 4.6M games
0%54.6%100%
Range (90% confident): 54.5% – 54.6%
Outcome Distribution
52.7%3.8%43.5%
Win
Draw
Loss
2...Bc5
Bishop's Opening: Boi Variation
Analyzen=4.6M
Avg Length31 moves
Sharpness96%
Draw Rate3.8%

What is the Bishop's Opening: Boi Variation expected score for White?

Snapshot

At all ratings, the Bishop's Opening: Boi Variation has a 54.6% expected score for White (we're 90% confident it's between 54.5% and 54.6%), based on 4.6M Lichess games.

White Win% by Rating

Improves with rating: 55% → 60%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 54.9% win rate (587,023 games)
  • 1000-1199: 54.2% win rate (602,701 games)
  • 1200-1399: 52.9% win rate (928,493 games)
  • 1400-1599: 51.9% win rate (1,112,695 games)
  • 1600-1799: 51.6% win rate (888,474 games)
  • 1800-1999: 51.4% win rate (412,164 games)
  • 2000-2199: 51.8% win rate (85,201 games)
  • 2200-2499: 53.8% win rate (10,648 games)
  • 2500+: 59.5% win rate (619 games)

White Win% by Time Control

Similar across time controls (~54%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 52.7% win rate (43,931 games)
  • Bullet: 53.9% win rate (743,207 games)
  • Blitz: 52.2% win rate (2,525,348 games)
  • Rapid: 52.8% win rate (1,271,218 games)
  • Classical: 53.6% win rate (44,314 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: 51.4% expected score (2,265 games)
  • 0-999 rating, Bullet: 56.3% expected score (92,292 games)
  • 0-999 rating, Blitz: 56.0% expected score (226,285 games)
  • 0-999 rating, Rapid: 58.2% expected score (263,192 games)
  • 0-999 rating, Classical: 56.7% expected score (2,989 games)
  • 1000-1199 rating, UltraBullet: 51.6% expected score (7,608 games)
  • 1000-1199 rating, Bullet: 56.5% expected score (108,892 games)
  • 1000-1199 rating, Blitz: 55.3% expected score (321,486 games)
  • 1000-1199 rating, Rapid: 57.0% expected score (158,360 games)
  • 1000-1199 rating, Classical: 58.8% expected score (6,355 games)
  • 1200-1399 rating, UltraBullet: 52.5% expected score (16,520 games)
  • 1200-1399 rating, Bullet: 55.3% expected score (145,178 games)
  • 1200-1399 rating, Blitz: 54.3% expected score (546,606 games)
  • 1200-1399 rating, Rapid: 55.2% expected score (211,394 games)
  • 1200-1399 rating, Classical: 57.5% expected score (8,795 games)
  • 1400-1599 rating, UltraBullet: 53.5% expected score (12,627 games)
  • 1400-1599 rating, Bullet: 54.4% expected score (157,768 games)
  • 1400-1599 rating, Blitz: 53.6% expected score (650,260 games)
  • 1400-1599 rating, Rapid: 53.5% expected score (279,570 games)
  • 1400-1599 rating, Classical: 54.5% expected score (12,470 games)
  • 1600-1799 rating, UltraBullet: 57.4% expected score (3,825 games)
  • 1600-1799 rating, Bullet: 54.2% expected score (135,717 games)
  • 1600-1799 rating, Blitz: 53.5% expected score (501,059 games)
  • 1600-1799 rating, Rapid: 53.4% expected score (237,333 games)
  • 1600-1799 rating, Classical: 54.7% expected score (10,540 games)
  • 1800-1999 rating, UltraBullet: 61.9% expected score (997 games)
  • 1800-1999 rating, Bullet: 53.8% expected score (72,679 games)
  • 1800-1999 rating, Blitz: 53.7% expected score (230,129 games)
  • 1800-1999 rating, Rapid: 53.3% expected score (105,425 games)
  • 1800-1999 rating, Classical: 54.6% expected score (2,934 games)
  • 2000-2199 rating, UltraBullet: 66.0% expected score (89 games)
  • 2000-2199 rating, Bullet: 53.7% expected score (24,901 games)
  • 2000-2199 rating, Blitz: 54.2% expected score (45,007 games)
  • 2000-2199 rating, Rapid: 54.7% expected score (14,990 games)
  • 2000-2199 rating, Classical: 60.7% expected score (214 games)
  • 2200-2499 rating, Bullet: 55.2% expected score (5,315 games)
  • 2200-2499 rating, Blitz: 56.8% expected score (4,372 games)
  • 2200-2499 rating, Rapid: 57.9% expected score (944 games)
  • 2200-2499 rating, Classical: 74.4% expected score (17 games)
  • 2500+ rating, Bullet: 60.7% expected score (465 games)
  • 2500+ rating, Blitz: 69.6% expected score (144 games)
  • 2500+ rating, Rapid: 67.4% expected score (10 games)

Related Openings

Parent
Bishop's Opening
51.7%
Variations (5)
Bishop's Opening: Anderssen Gambit
54.3%
Bishop's Opening: Berlin Defense
50.0%
Bishop's Opening: Berlin Defense, Greco Gambit
47.8%
Bishop's Opening: Boden-Kieseritzky Gambit
56.0%
Bishop's Opening: Boden-Kieseritzky Gambit, Lichtenhein Defense
56.3%
Analyze Bishop's Opening: Boi Variation PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Bishop's Opening: Boi Variation win rate?

The Bishop's Opening: Boi Variation has a 52.7% (90% CI: 52.6%-52.7%) win rate for white, based on 4.6M rated games from Lichess.

At what rating does the Bishop's Opening: Boi Variation perform best?

The Bishop's Opening: Boi Variation performs best at 2500+ Elo with a 59.5% win rate for white (619 games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Bishop's Opening: Boi Variation better in blitz or rapid?

Bullet (53.9%) outperforms Blitz (52.2%) by 1.7%. Choose your time control wisely.

How sharp is the Bishop's Opening: Boi Variation?

The Bishop's Opening: Boi Variation has a sharpness score of 96.2 (very decisive), meaning 96.2% of games end decisively. Average game length is 31 moves.

What is the Bishop's Opening: Boi Variation win rate at 0-999 Elo?

At 0-999 Elo, the Bishop's Opening: Boi Variation has a 54.9% (90% CI: 54.8%-55.0%) win rate for white, based on 587K Lichess games. Average game length is 22 moves with a 4.3% draw rate.

What is the Bishop's Opening: Boi Variation win rate at 1000-1199 Elo?

At 1000-1199 Elo, the Bishop's Opening: Boi Variation has a 54.2% (90% CI: 54.1%-54.3%) win rate for white, based on 603K Lichess games. Average game length is 27 moves with a 3.4% draw rate.

What is the Bishop's Opening: Boi Variation win rate at 1200-1399 Elo?

At 1200-1399 Elo, the Bishop's Opening: Boi Variation has a 52.9% (90% CI: 52.9%-53.0%) win rate for white, based on 928K Lichess games. Average game length is 30 moves with a 3.4% draw rate.

What is the Bishop's Opening: Boi Variation win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Bishop's Opening: Boi Variation has a 51.9% (90% CI: 51.8%-52.0%) win rate for white, based on 1.1M Lichess games. Average game length is 33 moves with a 3.6% draw rate.

What is the Bishop's Opening: Boi Variation win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Bishop's Opening: Boi Variation has a 51.6% (90% CI: 51.5%-51.7%) win rate for white, based on 888K Lichess games. Average game length is 35 moves with a 4.0% draw rate.

What is the Bishop's Opening: Boi Variation win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Bishop's Opening: Boi Variation has a 51.4% (90% CI: 51.2%-51.5%) win rate for white, based on 412K Lichess games. Average game length is 36 moves with a 4.5% draw rate.

What is the Bishop's Opening: Boi Variation win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Bishop's Opening: Boi Variation has a 51.8% (90% CI: 51.5%-52.1%) win rate for white, based on 85K Lichess games. Average game length is 37 moves with a 4.6% draw rate.

What is the Bishop's Opening: Boi Variation win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Bishop's Opening: Boi Variation has a 53.8% (90% CI: 53.1%-54.6%) win rate for white, based on 11K Lichess games. Average game length is 36 moves with a 4.5% draw rate.

What is the Bishop's Opening: Boi Variation win rate at 2500+ Elo?

At 2500+ Elo, the Bishop's Opening: Boi Variation has a 59.5% (90% CI: 56.3%-62.8%) win rate for white, based on 619 Lichess games. Average game length is 36 moves with a 6.8% draw rate.

What is the Bishop's Opening: Boi Variation win rate in UltraBullet?

In UltraBullet games, the Bishop's Opening: Boi Variation has a 52.7% (90% CI: 52.3%-53.1%) win rate for white (44K Lichess games). Draw rate is 1.2%.

What is the Bishop's Opening: Boi Variation win rate in Bullet?

In Bullet games, the Bishop's Opening: Boi Variation has a 53.9% (90% CI: 53.8%-54.0%) win rate for white (743K Lichess games). Draw rate is 2.1%.

What is the Bishop's Opening: Boi Variation win rate in Blitz?

In Blitz games, the Bishop's Opening: Boi Variation has a 52.2% (90% CI: 52.2%-52.3%) win rate for white (2.5M Lichess games). Draw rate is 3.9%.

What is the Bishop's Opening: Boi Variation win rate in Rapid?

In Rapid games, the Bishop's Opening: Boi Variation has a 52.8% (90% CI: 52.8%-52.9%) win rate for white (1.3M Lichess games). Draw rate is 4.6%.

What is the Bishop's Opening: Boi Variation win rate in Classical?

In Classical games, the Bishop's Opening: Boi Variation has a 53.6% (90% CI: 53.2%-53.9%) win rate for white (44K Lichess games). Draw rate is 4.7%.

Is the Bishop's Opening: Boi Variation a good opening?

The Bishop's Opening: Boi Variation is statistically favors white with a 52.7% (90% CI: 52.6%-52.7%) 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.