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Slav Defense: Czech Variation, Lasker Variation

1.6K games from Lichess · Updated January 2026

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Black Expected Score54.3%Range (90% confident): 52.2% – 56.3%Based on 1.6K games
0%54.3%100%
Range (90% confident): 52.2% – 56.3%
Outcome Distribution
51.1%6.4%42.5%
Win
Draw
Loss
6...Na6
Slav Defense: Czech Variation, Lasker Variation
Analyzen=1.6K
Avg Length37 moves
Sharpness94%
Draw Rate6.4%

What is the Slav Defense: Czech Variation, Lasker Variation expected score for Black?

Snapshot

At all ratings, the Slav Defense: Czech Variation, Lasker Variation has a 54.3% expected score for Black (we're 90% confident it's between 52.2% and 56.3%), based on 1.6K Lichess games.

Black Win% by Rating

Improves with rating: 20% → 38%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 20.0% win rate (1 games)
  • 1000-1199: 27.3% win rate (4 games)
  • 1200-1399: 47.4% win rate (8 games)
  • 1400-1599: 48.8% win rate (20 games)
  • 1600-1799: 54.4% win rate (84 games)
  • 1800-1999: 48.0% win rate (239 games)
  • 2000-2199: 53.0% win rate (458 games)
  • 2200-2499: 53.6% win rate (613 games)
  • 2500+: 37.9% win rate (145 games)

Black Win% by Time Control

Best in Classical (57%), worst in Bullet (47%)

Bullet
Blitz
Rapid
Classical

  • Bullet: 46.9% win rate (236 games)
  • Blitz: 51.5% win rate (1,155 games)
  • Rapid: 53.0% win rate (171 games)
  • Classical: 56.5% win rate (10 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: 30.0% expected score (1 games)
  • 1000-1199 rating, Bullet: 21.5% expected score (2 games)
  • 1000-1199 rating, Blitz: 50.0% expected score (2 games)
  • 1200-1399 rating, Bullet: 70.0% expected score (1 games)
  • 1200-1399 rating, Blitz: 31.9% expected score (4 games)
  • 1200-1399 rating, Rapid: 61.2% expected score (3 games)
  • 1400-1599 rating, Bullet: 50.0% expected score (6 games)
  • 1400-1599 rating, Blitz: 54.0% expected score (11 games)
  • 1400-1599 rating, Rapid: 61.2% expected score (3 games)
  • 1600-1799 rating, Bullet: 50.0% expected score (7 games)
  • 1600-1799 rating, Blitz: 58.4% expected score (70 games)
  • 1600-1799 rating, Rapid: 73.1% expected score (5 games)
  • 1600-1799 rating, Classical: 50.0% expected score (2 games)
  • 1800-1999 rating, Bullet: 36.8% expected score (25 games)
  • 1800-1999 rating, Blitz: 51.8% expected score (170 games)
  • 1800-1999 rating, Rapid: 52.4% expected score (40 games)
  • 1800-1999 rating, Classical: 50.0% expected score (4 games)
  • 2000-2199 rating, Bullet: 59.0% expected score (49 games)
  • 2000-2199 rating, Blitz: 54.3% expected score (316 games)
  • 2000-2199 rating, Rapid: 57.8% expected score (89 games)
  • 2000-2199 rating, Classical: 77.3% expected score (4 games)
  • 2200-2499 rating, Bullet: 55.7% expected score (95 games)
  • 2200-2499 rating, Blitz: 58.1% expected score (489 games)
  • 2200-2499 rating, Rapid: 53.3% expected score (29 games)
  • 2500+ rating, Bullet: 41.3% expected score (50 games)
  • 2500+ rating, Blitz: 42.1% expected score (93 games)
  • 2500+ rating, Rapid: 21.5% expected score (2 games)

Related Openings

Parent
Slav Defense
50.8%
Variations (5)
Slav Defense: Exchange Variation
50.4%
Slav Defense: Three Knights Variation
51.1%
Slav Defense: Modern Line
51.9%
Slav Defense: Quiet Variation, Pin Defense
49.6%
Slav Defense: Slav Gambit, Alekhine Attack
52.8%
Analyze Slav Defense: Czech Variation, Lasker Variation PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Slav Defense: Czech Variation, Lasker Variation win rate?

The Slav Defense: Czech Variation, Lasker Variation has a 42.5% (90% CI: 40.5%-44.6%) win rate for white, based on 1.6K rated games from Lichess.

At what rating does the Slav Defense: Czech Variation, Lasker Variation perform best?

The Slav Defense: Czech Variation, Lasker Variation performs best at 2500+ Elo with a 55.6% win rate for white (145 games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Slav Defense: Czech Variation, Lasker Variation better in blitz or rapid?

Bullet (46.1%) outperforms Rapid (40.9%) by 5.2%. Choose your time control wisely.

How sharp is the Slav Defense: Czech Variation, Lasker Variation?

The Slav Defense: Czech Variation, Lasker Variation has a sharpness score of 93.6 (decisive), meaning 93.6% of games end decisively. Average game length is 37 moves.

What is the Slav Defense: Czech Variation, Lasker Variation win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Slav Defense: Czech Variation, Lasker Variation has a 47.6% (90% CI: 42.3%-52.9%) win rate for white, based on 239 Lichess games. Average game length is 35 moves with a 4.4% draw rate.

What is the Slav Defense: Czech Variation, Lasker Variation win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Slav Defense: Czech Variation, Lasker Variation has a 41.5% (90% CI: 37.7%-45.3%) win rate for white, based on 458 Lichess games. Average game length is 36 moves with a 5.5% draw rate.

What is the Slav Defense: Czech Variation, Lasker Variation win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Slav Defense: Czech Variation, Lasker Variation has a 38.6% (90% CI: 35.4%-41.9%) win rate for white, based on 613 Lichess games. Average game length is 38 moves with a 7.7% draw rate.

What is the Slav Defense: Czech Variation, Lasker Variation win rate at 2500+ Elo?

At 2500+ Elo, the Slav Defense: Czech Variation, Lasker Variation has a 55.6% (90% CI: 48.9%-62.3%) win rate for white, based on 145 Lichess games. Average game length is 41 moves with a 6.5% draw rate.

What is the Slav Defense: Czech Variation, Lasker Variation win rate in Bullet?

In Bullet games, the Slav Defense: Czech Variation, Lasker Variation has a 46.1% (90% CI: 40.8%-51.4%) win rate for white (236 Lichess games). Draw rate is 6.9%.

What is the Slav Defense: Czech Variation, Lasker Variation win rate in Blitz?

In Blitz games, the Slav Defense: Czech Variation, Lasker Variation has a 42.2% (90% CI: 39.8%-44.5%) win rate for white (1.2K Lichess games). Draw rate is 6.4%.

What is the Slav Defense: Czech Variation, Lasker Variation win rate in Rapid?

In Rapid games, the Slav Defense: Czech Variation, Lasker Variation has a 40.9% (90% CI: 34.8%-47.1%) win rate for white (171 Lichess games). Draw rate is 6.1%.

Is the Slav Defense: Czech Variation, Lasker Variation a good opening?

The Slav Defense: Czech Variation, Lasker Variation is slightly favors black with a 42.5% (90% CI: 40.5%-44.6%) 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.