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

35K games from Lichess · Updated January 2026

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White Expected Score59.7%Range (90% confident): 59.3% – 60.2%Based on 35K games
0%59.7%100%
Range (90% confident): 59.3% – 60.2%
Outcome Distribution
58.0%3.5%38.6%
Win
Draw
Loss
5.Bg5
Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation
Analyzen=35K
Avg Length33 moves
Sharpness97%
Draw Rate3.5%

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

Snapshot

At all ratings, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation has a 59.7% expected score for White (we're 90% confident it's between 59.3% and 60.2%), based on 35K Lichess games.

Extra Analysis

Deep-dive datasets for this opening

Time-Control Swing

Max swing: 16.9% · UltraBullet best · Rapid worst

White Win% by Rating

Stable across ratings (~52%)

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 51.8% win rate (152 games)
  • 1000-1199: 56.6% win rate (722 games)
  • 1200-1399: 57.9% win rate (2,200 games)
  • 1400-1599: 60.2% win rate (5,370 games)
  • 1600-1799: 59.7% win rate (8,818 games)
  • 1800-1999: 58.1% win rate (9,092 games)
  • 2000-2199: 55.8% win rate (5,208 games)
  • 2200-2499: 53.4% win rate (2,610 games)
  • 2500+: 51.9% win rate (437 games)

White Win% by Time Control

Best in UltraBullet (65%), worst in Classical (35%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 65.3% win rate (321 games)
  • Bullet: 60.9% win rate (23,144 games)
  • Blitz: 52.1% win rate (9,953 games)
  • Rapid: 48.4% win rate (1,143 games)
  • Classical: 35.4% win rate (48 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

  • 0-999 rating, UltraBullet: 70.0% expected score (1 games)
  • 0-999 rating, Bullet: 51.8% expected score (82 games)
  • 0-999 rating, Blitz: 52.6% expected score (56 games)
  • 0-999 rating, Rapid: 53.5% expected score (13 games)
  • 1000-1199 rating, UltraBullet: 38.9% expected score (3 games)
  • 1000-1199 rating, Bullet: 60.7% expected score (522 games)
  • 1000-1199 rating, Blitz: 51.5% expected score (163 games)
  • 1000-1199 rating, Rapid: 48.6% expected score (34 games)
  • 1200-1399 rating, UltraBullet: 49.1% expected score (52 games)
  • 1200-1399 rating, Bullet: 61.8% expected score (1,455 games)
  • 1200-1399 rating, Blitz: 55.6% expected score (599 games)
  • 1200-1399 rating, Rapid: 49.4% expected score (84 games)
  • 1200-1399 rating, Classical: 50.0% expected score (10 games)
  • 1400-1599 rating, UltraBullet: 71.2% expected score (88 games)
  • 1400-1599 rating, Bullet: 64.7% expected score (3,479 games)
  • 1400-1599 rating, Blitz: 56.5% expected score (1,604 games)
  • 1400-1599 rating, Rapid: 46.3% expected score (187 games)
  • 1400-1599 rating, Classical: 50.0% expected score (12 games)
  • 1600-1799 rating, UltraBullet: 73.0% expected score (118 games)
  • 1600-1799 rating, Bullet: 64.8% expected score (5,485 games)
  • 1600-1799 rating, Blitz: 55.0% expected score (2,875 games)
  • 1600-1799 rating, Rapid: 54.1% expected score (330 games)
  • 1600-1799 rating, Classical: 37.0% expected score (10 games)
  • 1800-1999 rating, UltraBullet: 69.8% expected score (44 games)
  • 1800-1999 rating, Bullet: 62.4% expected score (5,952 games)
  • 1800-1999 rating, Blitz: 55.1% expected score (2,776 games)
  • 1800-1999 rating, Rapid: 51.4% expected score (312 games)
  • 1800-1999 rating, Classical: 39.5% expected score (8 games)
  • 2000-2199 rating, UltraBullet: 37.1% expected score (14 games)
  • 2000-2199 rating, Bullet: 60.7% expected score (3,710 games)
  • 2000-2199 rating, Blitz: 51.0% expected score (1,329 games)
  • 2000-2199 rating, Rapid: 49.4% expected score (149 games)
  • 2000-2199 rating, Classical: 36.7% expected score (6 games)
  • 2200-2499 rating, UltraBullet: 70.0% expected score (1 games)
  • 2200-2499 rating, Bullet: 56.9% expected score (2,122 games)
  • 2200-2499 rating, Blitz: 50.8% expected score (453 games)
  • 2200-2499 rating, Rapid: 62.0% expected score (32 games)
  • 2200-2499 rating, Classical: 21.5% expected score (2 games)
  • 2500+ rating, Bullet: 55.5% expected score (337 games)
  • 2500+ rating, Blitz: 54.0% expected score (98 games)
  • 2500+ rating, Rapid: 21.5% expected score (2 games)

Related Openings

Parent
Semi-Slav Defense
51.5%
Variations (5)
Semi-Slav Defense: Accelerated Meran Variation
50.4%
Semi-Slav Defense: Accelerated Move Order
50.8%
Semi-Slav Defense: Anti-Moscow Gambit
48.2%
Semi-Slav Defense: Anti-Noteboom, Stonewall Variation, Portisch Gambit
54.1%
Semi-Slav Defense: Bogoljubov Variation
51.5%
Continuations (1)
Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line
52.6%
Analyze Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

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

The Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation has a 58.0% (90% CI: 57.5%-58.4%) win rate for white, based on 35K rated games from Lichess.

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

The Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation performs best at 1400-1599 Elo with a 60.2% win rate for white (5.4K 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 better in blitz or rapid?

UltraBullet (65.3%) outperforms Rapid (48.4%) by 16.9%. Choose your time control wisely.

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

The Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation has a sharpness score of 96.5 (very decisive), meaning 96.5% of games end decisively. Average game length is 33 moves.

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

At 0-999 Elo, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation has a 51.8% (90% CI: 45.2%-58.4%) win rate for white, based on 152 Lichess games. Average game length is 26 moves with a 1.6% draw rate.

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

At 1000-1199 Elo, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation has a 56.6% (90% CI: 53.6%-59.6%) win rate for white, based on 722 Lichess games. Average game length is 28 moves with a 2.7% draw rate.

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

At 1200-1399 Elo, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation has a 57.9% (90% CI: 56.2%-59.7%) win rate for white, based on 2.2K Lichess games. Average game length is 30 moves with a 2.7% draw rate.

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

At 1400-1599 Elo, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation has a 60.2% (90% CI: 59.1%-61.3%) win rate for white, based on 5.4K Lichess games. Average game length is 31 moves with a 3.0% draw rate.

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

At 1600-1799 Elo, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation has a 59.7% (90% CI: 58.8%-60.5%) win rate for white, based on 8.8K Lichess games. Average game length is 32 moves with a 3.3% draw rate.

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

At 1800-1999 Elo, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation has a 58.1% (90% CI: 57.2%-58.9%) win rate for white, based on 9.1K Lichess games. Average game length is 34 moves with a 3.4% draw rate.

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

At 2000-2199 Elo, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation has a 55.8% (90% CI: 54.7%-56.9%) win rate for white, based on 5.2K Lichess games. Average game length is 35 moves with a 4.0% draw rate.

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

At 2200-2499 Elo, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation has a 53.4% (90% CI: 51.8%-55.0%) win rate for white, based on 2.6K Lichess games. Average game length is 37 moves with a 5.0% draw rate.

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

At 2500+ Elo, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation has a 51.9% (90% CI: 48.0%-55.8%) win rate for white, based on 437 Lichess games. Average game length is 40 moves with a 6.0% draw rate.

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

In UltraBullet games, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation has a 65.3% (90% CI: 60.9%-69.6%) win rate for white (321 Lichess games). Draw rate is 2.6%.

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

In Bullet games, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation has a 60.9% (90% CI: 60.4%-61.4%) win rate for white (23K Lichess games). Draw rate is 2.8%.

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

In Blitz games, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation has a 52.1% (90% CI: 51.3%-52.9%) win rate for white (10.0K Lichess games). Draw rate is 4.7%.

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

In Rapid games, the Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation has a 48.4% (90% CI: 46.0%-50.9%) win rate for white (1.1K Lichess games). Draw rate is 5.3%.

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

The Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation is statistically favors white with a 58.0% (90% CI: 57.5%-58.4%) win rate across all ratings. It performs best at 1400-1599 Elo. Your results depend on your rating, time control, and how well you know the typical plans.