TrueEloPlay what wins.
Analyzer

Slav Defense: Czech Variation, Wiesbaden Variation

17K games from Lichess · Updated January 2026

Tough Sell
Black Expected Score47.3%Range (90% confident): 46.7% – 47.9%Based on 17K games
0%47.3%100%
Range (90% confident): 46.7% – 47.9%
Outcome Distribution
44.0%6.5%49.5%
Win
Draw
Loss
6...e6
Slav Defense: Czech Variation, Wiesbaden Variation
Analyzen=17K
Avg Length37 moves
Sharpness94%
Draw Rate6.5%

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

Snapshot

At all ratings, the Slav Defense: Czech Variation, Wiesbaden Variation has a 47.3% expected score for Black (we're 90% confident it's between 46.7% and 47.9%), based on 17K Lichess games.

Black Win% by Rating

Improves with rating: 14% → 42%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 14.3% win rate (2 games)
  • 1000-1199: 36.8% win rate (8 games)
  • 1200-1399: 52.0% win rate (11 games)
  • 1400-1599: 42.4% win rate (87 games)
  • 1600-1799: 46.8% win rate (384 games)
  • 1800-1999: 45.4% win rate (1,840 games)
  • 2000-2199: 43.6% win rate (5,249 games)
  • 2200-2499: 44.4% win rate (7,542 games)
  • 2500+: 42.1% win rate (1,956 games)

Black Win% by Time Control

Best in Bullet (46%), worst in Classical (37%)

Bullet
Blitz
Rapid
Classical

  • Bullet: 45.8% win rate (5,311 games)
  • Blitz: 43.4% win rate (10,543 games)
  • Rapid: 41.7% win rate (1,153 games)
  • Classical: 37.4% win rate (72 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, Rapid: 21.5% expected score (2 games)
  • 1000-1199 rating, Bullet: 61.2% expected score (3 games)
  • 1000-1199 rating, Blitz: 27.0% expected score (5 games)
  • 1200-1399 rating, Bullet: 36.7% expected score (6 games)
  • 1200-1399 rating, Blitz: 68.2% expected score (4 games)
  • 1200-1399 rating, Rapid: 70.0% expected score (1 games)
  • 1400-1599 rating, Bullet: 51.5% expected score (32 games)
  • 1400-1599 rating, Blitz: 40.6% expected score (41 games)
  • 1400-1599 rating, Rapid: 42.0% expected score (11 games)
  • 1400-1599 rating, Classical: 38.9% expected score (3 games)
  • 1600-1799 rating, Bullet: 53.5% expected score (143 games)
  • 1600-1799 rating, Blitz: 47.1% expected score (203 games)
  • 1600-1799 rating, Rapid: 43.9% expected score (31 games)
  • 1600-1799 rating, Classical: 67.7% expected score (7 games)
  • 1800-1999 rating, Bullet: 48.4% expected score (405 games)
  • 1800-1999 rating, Blitz: 48.4% expected score (1,251 games)
  • 1800-1999 rating, Rapid: 39.9% expected score (166 games)
  • 1800-1999 rating, Classical: 52.6% expected score (18 games)
  • 2000-2199 rating, Bullet: 45.2% expected score (879 games)
  • 2000-2199 rating, Blitz: 46.9% expected score (3,927 games)
  • 2000-2199 rating, Rapid: 48.5% expected score (414 games)
  • 2000-2199 rating, Classical: 43.5% expected score (29 games)
  • 2200-2499 rating, Bullet: 49.5% expected score (2,575 games)
  • 2200-2499 rating, Blitz: 46.8% expected score (4,478 games)
  • 2200-2499 rating, Rapid: 48.1% expected score (480 games)
  • 2200-2499 rating, Classical: 16.7% expected score (9 games)
  • 2500+ rating, Bullet: 47.5% expected score (1,268 games)
  • 2500+ rating, Blitz: 45.7% expected score (634 games)
  • 2500+ rating, Rapid: 28.8% expected score (48 games)
  • 2500+ rating, Classical: 30.0% expected score (6 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%
Continuations (1)
Slav Defense: Czech Variation, Wiesbaden Variation, Sharp Line
44.1%
Analyze Slav Defense: Czech Variation, Wiesbaden Variation PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

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

The Slav Defense: Czech Variation, Wiesbaden Variation has a 49.5% (90% CI: 48.9%-50.1%) win rate for white, based on 17K rated games from Lichess.

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

The Slav Defense: Czech Variation, Wiesbaden Variation performs best at 2000-2199 Elo with a 50.2% win rate for white (5.2K games). Win rate tends to decline at higher ratings as opponents know the theory better.

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

Blitz (49.6%) outperforms Classical (52.4%) by -2.8%. Choose your time control wisely.

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

The Slav Defense: Czech Variation, Wiesbaden Variation has a sharpness score of 93.5 (decisive), meaning 93.5% of games end decisively. Average game length is 37 moves.

What is the Slav Defense: Czech Variation, Wiesbaden Variation win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Slav Defense: Czech Variation, Wiesbaden Variation has a 47.6% (90% CI: 43.4%-51.8%) win rate for white, based on 384 Lichess games. Average game length is 33 moves with a 5.6% draw rate.

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

At 1800-1999 Elo, the Slav Defense: Czech Variation, Wiesbaden Variation has a 50.0% (90% CI: 48.1%-51.9%) win rate for white, based on 1.8K Lichess games. Average game length is 34 moves with a 4.6% draw rate.

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

At 2000-2199 Elo, the Slav Defense: Czech Variation, Wiesbaden Variation has a 50.2% (90% CI: 49.0%-51.3%) win rate for white, based on 5.2K Lichess games. Average game length is 36 moves with a 6.3% draw rate.

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

At 2200-2499 Elo, the Slav Defense: Czech Variation, Wiesbaden Variation has a 49.0% (90% CI: 48.1%-49.9%) win rate for white, based on 7.5K Lichess games. Average game length is 38 moves with a 6.6% draw rate.

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

At 2500+ Elo, the Slav Defense: Czech Variation, Wiesbaden Variation has a 49.4% (90% CI: 47.5%-51.2%) win rate for white, based on 2.0K Lichess games. Average game length is 41 moves with a 8.5% draw rate.

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

In Bullet games, the Slav Defense: Czech Variation, Wiesbaden Variation has a 49.2% (90% CI: 48.1%-50.4%) win rate for white (5.3K Lichess games). Draw rate is 4.9%.

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

In Blitz games, the Slav Defense: Czech Variation, Wiesbaden Variation has a 49.6% (90% CI: 48.8%-50.4%) win rate for white (11K Lichess games). Draw rate is 7.0%.

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

In Rapid games, the Slav Defense: Czech Variation, Wiesbaden Variation has a 49.8% (90% CI: 47.3%-52.2%) win rate for white (1.2K Lichess games). Draw rate is 8.5%.

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

The Slav Defense: Czech Variation, Wiesbaden Variation is statistically favors white with a 49.5% (90% CI: 48.9%-50.1%) win rate across all ratings. It performs best at 2000-2199 Elo. Your results depend on your rating, time control, and how well you know the typical plans.