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Slav Defense: Czech Variation, Classical System, Main Line

18K games from Lichess · Updated January 2026

Tough Sell
White Expected Score48.6%Range (90% confident): 47.9% – 49.2%Based on 18K games
0%48.6%100%
Range (90% confident): 47.9% – 49.2%
Outcome Distribution
44.5%8.1%47.4%
Win
Draw
Loss
9.Qe2
Slav Defense: Czech Variation, Classical System, Main Line
Analyzen=18K
Avg Length40 moves
Sharpness92%
Draw Rate8.1%

What is the Slav Defense: Czech Variation, Classical System, Main Line expected score for White?

Snapshot

At all ratings, the Slav Defense: Czech Variation, Classical System, Main Line has a 48.6% expected score for White (we're 90% confident it's between 47.9% and 49.2%), based on 18K Lichess games.

White Win% by Rating

Declines with rating: 71% → 44%

1000
1200
1400
1600
1800
2000
2200
2500+

  • 1000-1199: 71.4% win rate (2 games)
  • 1200-1399: 56.5% win rate (10 games)
  • 1400-1599: 56.0% win rate (53 games)
  • 1600-1799: 53.0% win rate (241 games)
  • 1800-1999: 45.8% win rate (1,366 games)
  • 2000-2199: 44.1% win rate (4,807 games)
  • 2200-2499: 44.1% win rate (8,755 games)
  • 2500+: 44.3% win rate (2,434 games)

White Win% by Time Control

Similar across time controls (~45%)

Bullet
Blitz
Rapid
Classical

  • Bullet: 44.8% win rate (3,755 games)
  • Blitz: 44.3% win rate (12,802 games)
  • Rapid: 45.4% win rate (1,041 games)
  • Classical: 44.1% win rate (70 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

  • 1000-1199 rating, Blitz: 78.6% expected score (2 games)
  • 1200-1399 rating, Bullet: 73.1% expected score (5 games)
  • 1200-1399 rating, Blitz: 42.4% expected score (5 games)
  • 1400-1599 rating, Bullet: 60.4% expected score (13 games)
  • 1400-1599 rating, Blitz: 51.5% expected score (32 games)
  • 1400-1599 rating, Rapid: 73.6% expected score (7 games)
  • 1400-1599 rating, Classical: 70.0% expected score (1 games)
  • 1600-1799 rating, Bullet: 53.6% expected score (69 games)
  • 1600-1799 rating, Blitz: 53.1% expected score (160 games)
  • 1600-1799 rating, Rapid: 80.5% expected score (10 games)
  • 1600-1799 rating, Classical: 21.5% expected score (2 games)
  • 1800-1999 rating, Bullet: 50.8% expected score (282 games)
  • 1800-1999 rating, Blitz: 48.3% expected score (942 games)
  • 1800-1999 rating, Rapid: 44.1% expected score (117 games)
  • 1800-1999 rating, Classical: 50.0% expected score (25 games)
  • 2000-2199 rating, Bullet: 48.0% expected score (665 games)
  • 2000-2199 rating, Blitz: 47.7% expected score (3,728 games)
  • 2000-2199 rating, Rapid: 45.3% expected score (390 games)
  • 2000-2199 rating, Classical: 55.9% expected score (24 games)
  • 2200-2499 rating, Bullet: 45.8% expected score (1,522 games)
  • 2200-2499 rating, Blitz: 48.4% expected score (6,734 games)
  • 2200-2499 rating, Rapid: 54.4% expected score (483 games)
  • 2200-2499 rating, Classical: 58.6% expected score (16 games)
  • 2500+ rating, Bullet: 48.7% expected score (1,199 games)
  • 2500+ rating, Blitz: 52.2% expected score (1,199 games)
  • 2500+ rating, Rapid: 65.5% expected score (34 games)
  • 2500+ rating, Classical: 35.7% expected score (2 games)

Related Openings

Parent
Slav Defense
50.8%
Variations (5)
Slav Defense: Alapin Variation
53.2%
Slav Defense: Alekhine Variation
51.7%
Slav Defense: Bonet Gambit
49.7%
Slav Defense: Breyer Variation
50.3%
Slav Defense: Chebanenko Variation
49.1%
Analyze Slav Defense: Czech Variation, Classical System, Main Line PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Slav Defense: Czech Variation, Classical System, Main Line win rate?

The Slav Defense: Czech Variation, Classical System, Main Line has a 44.5% (90% CI: 43.8%-45.1%) win rate for white, based on 18K rated games from Lichess.

At what rating does the Slav Defense: Czech Variation, Classical System, Main Line perform best?

The Slav Defense: Czech Variation, Classical System, Main Line performs best at 1600-1799 Elo with a 53.0% win rate for white (241 games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Slav Defense: Czech Variation, Classical System, Main Line better in blitz or rapid?

Blitz (44.3%) outperforms Classical (44.1%) by 0.2%. Choose your time control wisely.

How sharp is the Slav Defense: Czech Variation, Classical System, Main Line?

The Slav Defense: Czech Variation, Classical System, Main Line has a sharpness score of 91.9 (decisive), meaning 91.9% of games end decisively. Average game length is 40 moves.

What is the Slav Defense: Czech Variation, Classical System, Main Line win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Slav Defense: Czech Variation, Classical System, Main Line has a 53.0% (90% CI: 47.7%-58.2%) win rate for white, based on 241 Lichess games. Average game length is 33 moves with a 2.3% draw rate.

What is the Slav Defense: Czech Variation, Classical System, Main Line win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Slav Defense: Czech Variation, Classical System, Main Line has a 45.8% (90% CI: 43.6%-48.0%) win rate for white, based on 1.4K Lichess games. Average game length is 35 moves with a 5.3% draw rate.

What is the Slav Defense: Czech Variation, Classical System, Main Line win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Slav Defense: Czech Variation, Classical System, Main Line has a 44.1% (90% CI: 42.9%-45.3%) win rate for white, based on 4.8K Lichess games. Average game length is 38 moves with a 6.9% draw rate.

What is the Slav Defense: Czech Variation, Classical System, Main Line win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Slav Defense: Czech Variation, Classical System, Main Line has a 44.1% (90% CI: 43.3%-45.0%) win rate for white, based on 8.8K Lichess games. Average game length is 40 moves with a 8.2% draw rate.

What is the Slav Defense: Czech Variation, Classical System, Main Line win rate at 2500+ Elo?

At 2500+ Elo, the Slav Defense: Czech Variation, Classical System, Main Line has a 44.3% (90% CI: 42.7%-46.0%) win rate for white, based on 2.4K Lichess games. Average game length is 44 moves with a 12.6% draw rate.

What is the Slav Defense: Czech Variation, Classical System, Main Line win rate in Bullet?

In Bullet games, the Slav Defense: Czech Variation, Classical System, Main Line has a 44.8% (90% CI: 43.5%-46.2%) win rate for white (3.8K Lichess games). Draw rate is 5.7%.

What is the Slav Defense: Czech Variation, Classical System, Main Line win rate in Blitz?

In Blitz games, the Slav Defense: Czech Variation, Classical System, Main Line has a 44.3% (90% CI: 43.6%-45.0%) win rate for white (13K Lichess games). Draw rate is 8.6%.

What is the Slav Defense: Czech Variation, Classical System, Main Line win rate in Rapid?

In Rapid games, the Slav Defense: Czech Variation, Classical System, Main Line has a 45.4% (90% CI: 42.9%-48.0%) win rate for white (1.0K Lichess games). Draw rate is 10.5%.

Is the Slav Defense: Czech Variation, Classical System, Main Line a good opening?

The Slav Defense: Czech Variation, Classical System, Main Line is slightly favors black with a 44.5% (90% CI: 43.8%-45.1%) win rate across all ratings. It performs best at 1600-1799 Elo. Your results depend on your rating, time control, and how well you know the typical plans.