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Analyzer

Semi-Slav Defense: Stonewall Defense

9.1K games from Lichess · Updated January 2026

Playable
Black Expected Score49.4%Range (90% confident): 48.5% – 50.2%Based on 9.1K games
0%49.4%100%
Range (90% confident): 48.5% – 50.2%
Outcome Distribution
47.1%4.6%48.3%
Win
Draw
Loss
6...f5
Semi-Slav Defense: Stonewall Defense
Analyzen=9.1K
Avg Length35 moves
Sharpness95%
Draw Rate4.6%

What is the Semi-Slav Defense: Stonewall Defense expected score for Black?

Snapshot

At all ratings, the Semi-Slav Defense: Stonewall Defense has a 49.4% expected score for Black (we're 90% confident it's between 48.5% and 50.2%), based on 9.1K Lichess games.

Black Win% by Rating

Improves with rating: 33% → 41%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 32.5% win rate (37 games)
  • 1000-1199: 46.9% win rate (104 games)
  • 1200-1399: 50.1% win rate (241 games)
  • 1400-1599: 53.1% win rate (519 games)
  • 1600-1799: 49.8% win rate (1,217 games)
  • 1800-1999: 47.7% win rate (2,343 games)
  • 2000-2199: 46.8% win rate (2,593 games)
  • 2200-2499: 43.8% win rate (1,841 games)
  • 2500+: 41.1% win rate (236 games)

Black Win% by Time Control

Best in Classical (55%), worst in UltraBullet (11%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 11.1% win rate (3 games)
  • Bullet: 48.7% win rate (3,766 games)
  • Blitz: 46.2% win rate (4,868 games)
  • Rapid: 43.5% win rate (480 games)
  • Classical: 54.8% win rate (14 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, UltraBullet: 30.0% expected score (1 games)
  • 0-999 rating, Bullet: 35.2% expected score (12 games)
  • 0-999 rating, Blitz: 39.4% expected score (22 games)
  • 0-999 rating, Rapid: 21.5% expected score (2 games)
  • 1000-1199 rating, Bullet: 50.0% expected score (48 games)
  • 1000-1199 rating, Blitz: 48.9% expected score (42 games)
  • 1000-1199 rating, Rapid: 53.7% expected score (12 games)
  • 1000-1199 rating, Classical: 21.5% expected score (2 games)
  • 1200-1399 rating, Bullet: 48.2% expected score (132 games)
  • 1200-1399 rating, Blitz: 57.6% expected score (91 games)
  • 1200-1399 rating, Rapid: 39.8% expected score (18 games)
  • 1400-1599 rating, Bullet: 58.6% expected score (249 games)
  • 1400-1599 rating, Blitz: 50.5% expected score (227 games)
  • 1400-1599 rating, Rapid: 52.4% expected score (40 games)
  • 1400-1599 rating, Classical: 61.2% expected score (3 games)
  • 1600-1799 rating, UltraBullet: 21.5% expected score (2 games)
  • 1600-1799 rating, Bullet: 52.2% expected score (611 games)
  • 1600-1799 rating, Blitz: 51.0% expected score (545 games)
  • 1600-1799 rating, Rapid: 46.6% expected score (57 games)
  • 1600-1799 rating, Classical: 50.0% expected score (2 games)
  • 1800-1999 rating, Bullet: 50.8% expected score (887 games)
  • 1800-1999 rating, Blitz: 48.3% expected score (1,300 games)
  • 1800-1999 rating, Rapid: 51.0% expected score (151 games)
  • 1800-1999 rating, Classical: 73.1% expected score (5 games)
  • 2000-2199 rating, Bullet: 49.5% expected score (897 games)
  • 2000-2199 rating, Blitz: 50.0% expected score (1,554 games)
  • 2000-2199 rating, Rapid: 44.7% expected score (140 games)
  • 2000-2199 rating, Classical: 50.0% expected score (2 games)
  • 2200-2499 rating, Bullet: 47.7% expected score (750 games)
  • 2200-2499 rating, Blitz: 46.8% expected score (1,032 games)
  • 2200-2499 rating, Rapid: 39.3% expected score (59 games)
  • 2500+ rating, Bullet: 46.4% expected score (180 games)
  • 2500+ rating, Blitz: 44.7% expected score (55 games)
  • 2500+ rating, Rapid: 30.0% expected score (1 games)

Related Openings

Parent
Semi-Slav Defense
51.5%
Variations (5)
Semi-Slav Defense: Accelerated Move Order
50.8%
Semi-Slav Defense: Main Line
51.8%
Semi-Slav Defense: Marshall Gambit
53.5%
Semi-Slav Defense: Noteboom Variation
49.8%
Semi-Slav Defense: Normal Variation
48.8%
Analyze Semi-Slav Defense: Stonewall Defense PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Semi-Slav Defense: Stonewall Defense win rate?

The Semi-Slav Defense: Stonewall Defense has a 48.3% (90% CI: 47.5%-49.2%) win rate for white, based on 9.1K rated games from Lichess.

At what rating does the Semi-Slav Defense: Stonewall Defense perform best?

The Semi-Slav Defense: Stonewall Defense performs best at 2200-2499 Elo with a 50.1% win rate for white (1.8K games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Semi-Slav Defense: Stonewall Defense better in blitz or rapid?

Bullet (48.3%) outperforms Rapid (50.4%) by -2.1%. Choose your time control wisely.

How sharp is the Semi-Slav Defense: Stonewall Defense?

The Semi-Slav Defense: Stonewall Defense has a sharpness score of 95.4 (very decisive), meaning 95.4% of games end decisively. Average game length is 35 moves.

What is the Semi-Slav Defense: Stonewall Defense win rate at 1000-1199 Elo?

At 1000-1199 Elo, the Semi-Slav Defense: Stonewall Defense has a 48.8% (90% CI: 40.9%-56.8%) win rate for white, based on 104 Lichess games. Average game length is 30 moves with a 4.3% draw rate.

What is the Semi-Slav Defense: Stonewall Defense win rate at 1200-1399 Elo?

At 1200-1399 Elo, the Semi-Slav Defense: Stonewall Defense has a 48.0% (90% CI: 42.8%-53.3%) win rate for white, based on 241 Lichess games. Average game length is 29 moves with a 1.9% draw rate.

What is the Semi-Slav Defense: Stonewall Defense win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Semi-Slav Defense: Stonewall Defense has a 43.9% (90% CI: 40.3%-47.5%) win rate for white, based on 519 Lichess games. Average game length is 31 moves with a 3.0% draw rate.

What is the Semi-Slav Defense: Stonewall Defense win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Semi-Slav Defense: Stonewall Defense has a 47.3% (90% CI: 45.0%-49.7%) win rate for white, based on 1.2K Lichess games. Average game length is 32 moves with a 2.9% draw rate.

What is the Semi-Slav Defense: Stonewall Defense win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Semi-Slav Defense: Stonewall Defense has a 48.7% (90% CI: 47.0%-50.4%) win rate for white, based on 2.3K Lichess games. Average game length is 35 moves with a 3.6% draw rate.

What is the Semi-Slav Defense: Stonewall Defense win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Semi-Slav Defense: Stonewall Defense has a 47.8% (90% CI: 46.2%-49.4%) win rate for white, based on 2.6K Lichess games. Average game length is 37 moves with a 5.4% draw rate.

What is the Semi-Slav Defense: Stonewall Defense win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Semi-Slav Defense: Stonewall Defense has a 50.1% (90% CI: 48.2%-52.0%) win rate for white, based on 1.8K Lichess games. Average game length is 39 moves with a 6.1% draw rate.

What is the Semi-Slav Defense: Stonewall Defense win rate at 2500+ Elo?

At 2500+ Elo, the Semi-Slav Defense: Stonewall Defense has a 49.5% (90% CI: 44.1%-54.8%) win rate for white, based on 236 Lichess games. Average game length is 40 moves with a 9.5% draw rate.

What is the Semi-Slav Defense: Stonewall Defense win rate in Bullet?

In Bullet games, the Semi-Slav Defense: Stonewall Defense has a 48.3% (90% CI: 47.0%-49.6%) win rate for white (3.8K Lichess games). Draw rate is 3.0%.

What is the Semi-Slav Defense: Stonewall Defense win rate in Blitz?

In Blitz games, the Semi-Slav Defense: Stonewall Defense has a 48.2% (90% CI: 47.0%-49.3%) win rate for white (4.9K Lichess games). Draw rate is 5.7%.

What is the Semi-Slav Defense: Stonewall Defense win rate in Rapid?

In Rapid games, the Semi-Slav Defense: Stonewall Defense has a 50.4% (90% CI: 46.6%-54.1%) win rate for white (480 Lichess games). Draw rate is 6.1%.

Is the Semi-Slav Defense: Stonewall Defense a good opening?

The Semi-Slav Defense: Stonewall Defense is statistically balanced with a 48.3% (90% CI: 47.5%-49.2%) win rate across all ratings. It performs best at 2200-2499 Elo. Your results depend on your rating, time control, and how well you know the typical plans.