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Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line

12K games from Lichess · Updated January 2026

Tough Sell
Black Expected Score46.1%Range (90% confident): 45.4% – 46.8%Based on 12K games
0%46.1%100%
Range (90% confident): 45.4% – 46.8%
Outcome Distribution
44.7%2.7%52.6%
Win
Draw
Loss
5...f6
Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line
Analyzen=12K
Avg Length35 moves
Sharpness97%
Draw Rate2.7%

What is the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line expected score for Black?

Snapshot

At all ratings, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line has a 46.1% expected score for Black (we're 90% confident it's between 45.4% and 46.8%), based on 12K Lichess games.

Black Win% by Rating

Declines with rating: 45% → 34%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 45.1% win rate (188 games)
  • 1000-1199: 41.0% win rate (536 games)
  • 1200-1399: 44.6% win rate (1,041 games)
  • 1400-1599: 44.8% win rate (1,924 games)
  • 1600-1799: 45.2% win rate (2,660 games)
  • 1800-1999: 45.1% win rate (3,029 games)
  • 2000-2199: 46.7% win rate (1,963 games)
  • 2200-2499: 40.9% win rate (783 games)
  • 2500+: 33.6% win rate (137 games)

Black Win% by Time Control

Best in Rapid (46%), worst in UltraBullet (25%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 25.4% win rate (28 games)
  • Bullet: 44.5% win rate (7,098 games)
  • Blitz: 44.9% win rate (4,491 games)
  • Rapid: 46.4% win rate (624 games)
  • Classical: 39.5% win rate (20 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: 70.0% expected score (1 games)
  • 0-999 rating, Bullet: 48.8% expected score (82 games)
  • 0-999 rating, Blitz: 39.6% expected score (75 games)
  • 0-999 rating, Rapid: 56.4% expected score (30 games)
  • 1000-1199 rating, UltraBullet: 21.5% expected score (2 games)
  • 1000-1199 rating, Bullet: 42.9% expected score (343 games)
  • 1000-1199 rating, Blitz: 41.4% expected score (150 games)
  • 1000-1199 rating, Rapid: 40.4% expected score (40 games)
  • 1000-1199 rating, Classical: 30.0% expected score (1 games)
  • 1200-1399 rating, UltraBullet: 42.4% expected score (5 games)
  • 1200-1399 rating, Bullet: 45.8% expected score (626 games)
  • 1200-1399 rating, Blitz: 45.9% expected score (329 games)
  • 1200-1399 rating, Rapid: 44.9% expected score (77 games)
  • 1200-1399 rating, Classical: 40.9% expected score (4 games)
  • 1400-1599 rating, UltraBullet: 7.9% expected score (8 games)
  • 1400-1599 rating, Bullet: 46.6% expected score (1,067 games)
  • 1400-1599 rating, Blitz: 45.7% expected score (739 games)
  • 1400-1599 rating, Rapid: 48.2% expected score (106 games)
  • 1400-1599 rating, Classical: 68.2% expected score (4 games)
  • 1600-1799 rating, UltraBullet: 45.7% expected score (10 games)
  • 1600-1799 rating, Bullet: 46.0% expected score (1,496 games)
  • 1600-1799 rating, Blitz: 47.2% expected score (1,004 games)
  • 1600-1799 rating, Rapid: 43.6% expected score (146 games)
  • 1600-1799 rating, Classical: 68.2% expected score (4 games)
  • 1800-1999 rating, UltraBullet: 21.5% expected score (2 games)
  • 1800-1999 rating, Bullet: 45.0% expected score (1,629 games)
  • 1800-1999 rating, Blitz: 47.7% expected score (1,238 games)
  • 1800-1999 rating, Rapid: 55.5% expected score (154 games)
  • 1800-1999 rating, Classical: 30.0% expected score (6 games)
  • 2000-2199 rating, Bullet: 47.1% expected score (1,170 games)
  • 2000-2199 rating, Blitz: 50.5% expected score (732 games)
  • 2000-2199 rating, Rapid: 47.6% expected score (60 games)
  • 2000-2199 rating, Classical: 30.0% expected score (1 games)
  • 2200-2499 rating, Bullet: 44.1% expected score (574 games)
  • 2200-2499 rating, Blitz: 38.6% expected score (200 games)
  • 2200-2499 rating, Rapid: 35.7% expected score (9 games)
  • 2500+ rating, Bullet: 36.2% expected score (111 games)
  • 2500+ rating, Blitz: 28.5% expected score (24 games)
  • 2500+ rating, Rapid: 50.0% expected score (2 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: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line win rate?

The Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line has a 52.6% (90% CI: 51.8%-53.3%) win rate for white, based on 12K rated games from Lichess.

At what rating does the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line perform best?

The Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line performs best at 2500+ Elo with a 63.9% win rate for white (137 games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line better in blitz or rapid?

Bullet (53.4%) outperforms Rapid (50.3%) by 3.1%. Choose your time control wisely.

How sharp is the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line?

The Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line has a sharpness score of 97.3 (very decisive), meaning 97.3% of games end decisively. Average game length is 35 moves.

What is the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line win rate at 0-999 Elo?

At 0-999 Elo, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line has a 52.0% (90% CI: 46.0%-57.9%) win rate for white, based on 188 Lichess games. Average game length is 27 moves with a 2.9% draw rate.

What is the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line win rate at 1000-1199 Elo?

At 1000-1199 Elo, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line has a 57.0% (90% CI: 53.5%-60.5%) win rate for white, based on 536 Lichess games. Average game length is 29 moves with a 2.0% draw rate.

What is the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line win rate at 1200-1399 Elo?

At 1200-1399 Elo, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line has a 53.2% (90% CI: 50.6%-55.7%) win rate for white, based on 1.0K Lichess games. Average game length is 31 moves with a 2.3% draw rate.

What is the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line has a 52.5% (90% CI: 50.6%-54.3%) win rate for white, based on 1.9K Lichess games. Average game length is 33 moves with a 2.7% draw rate.

What is the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line has a 52.5% (90% CI: 50.9%-54.1%) win rate for white, based on 2.7K Lichess games. Average game length is 34 moves with a 2.3% draw rate.

What is the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line has a 51.9% (90% CI: 50.4%-53.4%) win rate for white, based on 3.0K Lichess games. Average game length is 36 moves with a 3.0% draw rate.

What is the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line has a 50.0% (90% CI: 48.2%-51.9%) win rate for white, based on 2.0K Lichess games. Average game length is 37 moves with a 3.3% draw rate.

What is the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line has a 55.9% (90% CI: 53.0%-58.8%) win rate for white, based on 783 Lichess games. Average game length is 38 moves with a 3.3% draw rate.

What is the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line win rate at 2500+ Elo?

At 2500+ Elo, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line has a 63.9% (90% CI: 57.1%-70.5%) win rate for white, based on 137 Lichess games. Average game length is 36 moves with a 2.5% draw rate.

What is the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line win rate in Bullet?

In Bullet games, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line has a 53.4% (90% CI: 52.4%-54.3%) win rate for white (7.1K Lichess games). Draw rate is 2.1%.

What is the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line win rate in Blitz?

In Blitz games, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line has a 51.5% (90% CI: 50.3%-52.7%) win rate for white (4.5K Lichess games). Draw rate is 3.6%.

What is the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line win rate in Rapid?

In Rapid games, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line has a 50.3% (90% CI: 47.0%-53.6%) win rate for white (624 Lichess games). Draw rate is 3.3%.

Is the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line a good opening?

The Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line is statistically favors white with a 52.6% (90% CI: 51.8%-53.3%) 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.