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Sicilian Defense: Boleslavsky Variation

60K games from Lichess · Updated January 2026

Playable
Black Expected Score50.2%Range (90% confident): 49.9% – 50.5%Based on 60K games
0%50.2%100%
Range (90% confident): 49.9% – 50.5%
Outcome Distribution
47.3%5.7%47.0%
Win
Draw
Loss
6...e5
Sicilian Defense: Boleslavsky Variation
Analyzen=60K
Avg Length37 moves
Sharpness94%
Draw Rate5.7%

What is the Sicilian Defense: Boleslavsky Variation expected score for Black?

Snapshot

At all ratings, the Sicilian Defense: Boleslavsky Variation has a 50.2% expected score for Black (we're 90% confident it's between 49.9% and 50.5%), based on 60K Lichess games.

Black Win% by Rating

Declines with rating: 58% → 44%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 58.4% win rate (49 games)
  • 1000-1199: 46.9% win rate (251 games)
  • 1200-1399: 52.2% win rate (916 games)
  • 1400-1599: 45.2% win rate (2,837 games)
  • 1600-1799: 47.5% win rate (6,868 games)
  • 1800-1999: 47.5% win rate (14,721 games)
  • 2000-2199: 47.6% win rate (17,800 games)
  • 2200-2499: 47.4% win rate (13,582 games)
  • 2500+: 44.4% win rate (3,242 games)

Black Win% by Time Control

Best in UltraBullet (56%), worst in Classical (45%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 55.6% win rate (3 games)
  • Bullet: 48.4% win rate (15,814 games)
  • Blitz: 47.1% win rate (37,646 games)
  • Rapid: 45.8% win rate (6,475 games)
  • Classical: 45.1% win rate (328 games)

Black% 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: 71.8% expected score (33 games)
  • 0-999 rating, Blitz: 30.0% expected score (11 games)
  • 0-999 rating, Rapid: 42.4% expected score (5 games)
  • 1000-1199 rating, Bullet: 46.7% expected score (147 games)
  • 1000-1199 rating, Blitz: 52.9% expected score (87 games)
  • 1000-1199 rating, Rapid: 38.6% expected score (16 games)
  • 1000-1199 rating, Classical: 70.0% expected score (1 games)
  • 1200-1399 rating, Bullet: 54.8% expected score (431 games)
  • 1200-1399 rating, Blitz: 51.2% expected score (425 games)
  • 1200-1399 rating, Rapid: 50.9% expected score (57 games)
  • 1200-1399 rating, Classical: 38.9% expected score (3 games)
  • 1400-1599 rating, Bullet: 46.9% expected score (1,006 games)
  • 1400-1599 rating, Blitz: 46.6% expected score (1,539 games)
  • 1400-1599 rating, Rapid: 44.7% expected score (279 games)
  • 1400-1599 rating, Classical: 53.5% expected score (13 games)
  • 1600-1799 rating, Bullet: 49.1% expected score (1,736 games)
  • 1600-1799 rating, Blitz: 49.4% expected score (4,291 games)
  • 1600-1799 rating, Rapid: 51.4% expected score (779 games)
  • 1600-1799 rating, Classical: 43.0% expected score (62 games)
  • 1800-1999 rating, UltraBullet: 61.2% expected score (3 games)
  • 1800-1999 rating, Bullet: 49.9% expected score (2,834 games)
  • 1800-1999 rating, Blitz: 50.1% expected score (9,910 games)
  • 1800-1999 rating, Rapid: 48.3% expected score (1,870 games)
  • 1800-1999 rating, Classical: 53.4% expected score (104 games)
  • 2000-2199 rating, Bullet: 50.0% expected score (3,790 games)
  • 2000-2199 rating, Blitz: 51.1% expected score (11,592 games)
  • 2000-2199 rating, Rapid: 50.2% expected score (2,301 games)
  • 2000-2199 rating, Classical: 48.8% expected score (117 games)
  • 2200-2499 rating, Bullet: 52.4% expected score (3,816 games)
  • 2200-2499 rating, Blitz: 50.8% expected score (8,614 games)
  • 2200-2499 rating, Rapid: 50.6% expected score (1,126 games)
  • 2200-2499 rating, Classical: 51.8% expected score (26 games)
  • 2500+ rating, Bullet: 49.9% expected score (2,021 games)
  • 2500+ rating, Blitz: 46.7% expected score (1,177 games)
  • 2500+ rating, Rapid: 39.7% expected score (42 games)
  • 2500+ rating, Classical: 35.7% expected score (2 games)

Related Openings

Parent
Sicilian Defense
48.5%
Variations (5)
Sicilian Defense: Bowdler Attack
47.2%
Sicilian Defense: Old Sicilian
48.5%
Sicilian Defense: Closed
49.8%
Sicilian Defense: Alapin Variation
50.2%
Sicilian Defense: McDonnell Attack
48.6%
Continuations (1)
Sicilian Defense: Boleslavsky Variation, Louma Variation
44.9%
Analyze Sicilian Defense: Boleslavsky Variation PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Sicilian Defense: Boleslavsky Variation win rate?

The Sicilian Defense: Boleslavsky Variation has a 47.0% (90% CI: 46.6%-47.3%) win rate for white, based on 60K rated games from Lichess.

At what rating does the Sicilian Defense: Boleslavsky Variation perform best?

The Sicilian Defense: Boleslavsky Variation performs best at 1400-1599 Elo with a 52.2% win rate for white (2.8K games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Sicilian Defense: Boleslavsky Variation better in blitz or rapid?

Bullet (47.6%) outperforms Classical (46.3%) by 1.3%. Choose your time control wisely.

How sharp is the Sicilian Defense: Boleslavsky Variation?

The Sicilian Defense: Boleslavsky Variation has a sharpness score of 94.3 (decisive), meaning 94.3% of games end decisively. Average game length is 37 moves.

What is the Sicilian Defense: Boleslavsky Variation win rate at 1000-1199 Elo?

At 1000-1199 Elo, the Sicilian Defense: Boleslavsky Variation has a 50.1% (90% CI: 44.9%-55.3%) win rate for white, based on 251 Lichess games. Average game length is 27 moves with a 3.0% draw rate.

What is the Sicilian Defense: Boleslavsky Variation win rate at 1200-1399 Elo?

At 1200-1399 Elo, the Sicilian Defense: Boleslavsky Variation has a 46.6% (90% CI: 43.9%-49.3%) win rate for white, based on 916 Lichess games. Average game length is 29 moves with a 1.3% draw rate.

What is the Sicilian Defense: Boleslavsky Variation win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Sicilian Defense: Boleslavsky Variation has a 52.2% (90% CI: 50.7%-53.7%) win rate for white, based on 2.8K Lichess games. Average game length is 32 moves with a 2.6% draw rate.

What is the Sicilian Defense: Boleslavsky Variation win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Sicilian Defense: Boleslavsky Variation has a 48.6% (90% CI: 47.6%-49.6%) win rate for white, based on 6.9K Lichess games. Average game length is 34 moves with a 3.9% draw rate.

What is the Sicilian Defense: Boleslavsky Variation win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Sicilian Defense: Boleslavsky Variation has a 47.8% (90% CI: 47.1%-48.4%) win rate for white, based on 15K Lichess games. Average game length is 36 moves with a 4.8% draw rate.

What is the Sicilian Defense: Boleslavsky Variation win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Sicilian Defense: Boleslavsky Variation has a 46.2% (90% CI: 45.6%-46.9%) win rate for white, based on 18K Lichess games. Average game length is 38 moves with a 6.1% draw rate.

What is the Sicilian Defense: Boleslavsky Variation win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Sicilian Defense: Boleslavsky Variation has a 44.9% (90% CI: 44.2%-45.6%) win rate for white, based on 14K Lichess games. Average game length is 40 moves with a 7.7% draw rate.

What is the Sicilian Defense: Boleslavsky Variation win rate at 2500+ Elo?

At 2500+ Elo, the Sicilian Defense: Boleslavsky Variation has a 47.3% (90% CI: 45.9%-48.8%) win rate for white, based on 3.2K Lichess games. Average game length is 43 moves with a 8.3% draw rate.

What is the Sicilian Defense: Boleslavsky Variation win rate in Bullet?

In Bullet games, the Sicilian Defense: Boleslavsky Variation has a 47.6% (90% CI: 47.0%-48.3%) win rate for white (16K Lichess games). Draw rate is 4.0%.

What is the Sicilian Defense: Boleslavsky Variation win rate in Blitz?

In Blitz games, the Sicilian Defense: Boleslavsky Variation has a 46.7% (90% CI: 46.3%-47.1%) win rate for white (38K Lichess games). Draw rate is 6.2%.

What is the Sicilian Defense: Boleslavsky Variation win rate in Rapid?

In Rapid games, the Sicilian Defense: Boleslavsky Variation has a 46.8% (90% CI: 45.8%-47.8%) win rate for white (6.5K Lichess games). Draw rate is 7.4%.

What is the Sicilian Defense: Boleslavsky Variation win rate in Classical?

In Classical games, the Sicilian Defense: Boleslavsky Variation has a 46.3% (90% CI: 41.8%-50.8%) win rate for white (328 Lichess games). Draw rate is 8.6%.

Is the Sicilian Defense: Boleslavsky Variation a good opening?

The Sicilian Defense: Boleslavsky Variation is statistically balanced with a 47.0% (90% CI: 46.6%-47.3%) win rate across all ratings. It performs best at 1400-1599 Elo. Your results depend on your rating, time control, and how well you know the typical plans.