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Semi-Slav Defense: Main Line

1.3M games from Lichess · Updated January 2026

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White Expected Score54.0%Range (90% confident): 53.9% – 54.1%Based on 1.3M games
0%54.0%100%
Range (90% confident): 53.9% – 54.1%
Outcome Distribution
51.8%4.3%43.9%
Win
Draw
Loss
6.Bd3
Semi-Slav Defense: Main Line
Analyzen=1.3M
Avg Length36 moves
Sharpness96%
Draw Rate4.3%

What is the Semi-Slav Defense: Main Line expected score for White?

Snapshot

At all ratings, the Semi-Slav Defense: Main Line has a 54.0% expected score for White (we're 90% confident it's between 53.9% and 54.1%), based on 1.3M Lichess games.

White Win% by Rating

Improves with rating: 52% → 54%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 52.2% win rate (10,637 games)
  • 1000-1199: 53.0% win rate (32,864 games)
  • 1200-1399: 52.1% win rate (77,068 games)
  • 1400-1599: 51.7% win rate (145,049 games)
  • 1600-1799: 51.1% win rate (257,762 games)
  • 1800-1999: 51.0% win rate (353,435 games)
  • 2000-2199: 52.0% win rate (279,116 games)
  • 2200-2499: 54.1% win rate (139,620 games)
  • 2500+: 54.2% win rate (21,129 games)

White Win% by Time Control

Best in UltraBullet (57%), worst in Blitz (51%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 56.9% win rate (1,883 games)
  • Bullet: 52.5% win rate (573,653 games)
  • Blitz: 51.2% win rate (615,131 games)
  • Rapid: 51.5% win rate (120,493 games)
  • Classical: 52.3% win rate (5,520 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: 44.2% expected score (24 games)
  • 0-999 rating, Bullet: 53.8% expected score (3,859 games)
  • 0-999 rating, Blitz: 53.1% expected score (5,390 games)
  • 0-999 rating, Rapid: 54.2% expected score (1,359 games)
  • 0-999 rating, Classical: 42.4% expected score (5 games)
  • 1000-1199 rating, UltraBullet: 64.1% expected score (34 games)
  • 1000-1199 rating, Bullet: 54.3% expected score (12,944 games)
  • 1000-1199 rating, Blitz: 54.3% expected score (15,632 games)
  • 1000-1199 rating, Rapid: 55.6% expected score (4,202 games)
  • 1000-1199 rating, Classical: 51.0% expected score (52 games)
  • 1200-1399 rating, UltraBullet: 45.1% expected score (152 games)
  • 1200-1399 rating, Bullet: 53.6% expected score (32,013 games)
  • 1200-1399 rating, Blitz: 53.3% expected score (35,523 games)
  • 1200-1399 rating, Rapid: 54.3% expected score (9,136 games)
  • 1200-1399 rating, Classical: 56.3% expected score (244 games)
  • 1400-1599 rating, UltraBullet: 56.6% expected score (402 games)
  • 1400-1599 rating, Bullet: 53.1% expected score (58,485 games)
  • 1400-1599 rating, Blitz: 53.2% expected score (69,065 games)
  • 1400-1599 rating, Rapid: 54.4% expected score (16,333 games)
  • 1400-1599 rating, Classical: 56.0% expected score (764 games)
  • 1600-1799 rating, UltraBullet: 59.2% expected score (776 games)
  • 1600-1799 rating, Bullet: 53.4% expected score (103,070 games)
  • 1600-1799 rating, Blitz: 52.5% expected score (127,272 games)
  • 1600-1799 rating, Rapid: 53.7% expected score (24,971 games)
  • 1600-1799 rating, Classical: 53.7% expected score (1,673 games)
  • 1800-1999 rating, UltraBullet: 62.3% expected score (366 games)
  • 1800-1999 rating, Bullet: 53.7% expected score (137,342 games)
  • 1800-1999 rating, Blitz: 52.8% expected score (179,029 games)
  • 1800-1999 rating, Rapid: 53.5% expected score (34,834 games)
  • 1800-1999 rating, Classical: 57.4% expected score (1,864 games)
  • 2000-2199 rating, UltraBullet: 54.1% expected score (98 games)
  • 2000-2199 rating, Bullet: 53.9% expected score (122,783 games)
  • 2000-2199 rating, Blitz: 54.8% expected score (132,254 games)
  • 2000-2199 rating, Rapid: 55.5% expected score (23,177 games)
  • 2000-2199 rating, Classical: 61.7% expected score (804 games)
  • 2200-2499 rating, UltraBullet: 48.3% expected score (28 games)
  • 2200-2499 rating, Bullet: 55.3% expected score (85,002 games)
  • 2200-2499 rating, Blitz: 58.7% expected score (48,226 games)
  • 2200-2499 rating, Rapid: 61.2% expected score (6,258 games)
  • 2200-2499 rating, Classical: 64.4% expected score (106 games)
  • 2500+ rating, UltraBullet: 83.4% expected score (3 games)
  • 2500+ rating, Bullet: 58.4% expected score (18,155 games)
  • 2500+ rating, Blitz: 61.4% expected score (2,740 games)
  • 2500+ rating, Rapid: 61.4% expected score (223 games)
  • 2500+ rating, Classical: 76.3% expected score (8 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%
Analyze Semi-Slav Defense: Main Line PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Semi-Slav Defense: Main Line win rate?

The Semi-Slav Defense: Main Line has a 51.8% (90% CI: 51.7%-51.9%) win rate for white, based on 1.3M rated games from Lichess.

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

The Semi-Slav Defense: Main Line performs best at 2200-2499 Elo with a 54.1% win rate for white (140K games). Win rate tends to decline at higher ratings as opponents know the theory better.

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

UltraBullet (56.9%) outperforms Blitz (51.2%) by 5.7%. Choose your time control wisely.

How sharp is the Semi-Slav Defense: Main Line?

The Semi-Slav Defense: Main Line has a sharpness score of 95.7 (very decisive), meaning 95.7% of games end decisively. Average game length is 36 moves.

What is the Semi-Slav Defense: Main Line win rate at 0-999 Elo?

At 0-999 Elo, the Semi-Slav Defense: Main Line has a 52.2% (90% CI: 51.4%-53.0%) win rate for white, based on 11K Lichess games. Average game length is 28 moves with a 2.5% draw rate.

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

At 1000-1199 Elo, the Semi-Slav Defense: Main Line has a 53.0% (90% CI: 52.5%-53.4%) win rate for white, based on 33K Lichess games. Average game length is 31 moves with a 2.9% draw rate.

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

At 1200-1399 Elo, the Semi-Slav Defense: Main Line has a 52.1% (90% CI: 51.8%-52.4%) win rate for white, based on 77K Lichess games. Average game length is 32 moves with a 3.0% draw rate.

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

At 1400-1599 Elo, the Semi-Slav Defense: Main Line has a 51.7% (90% CI: 51.4%-51.9%) win rate for white, based on 145K Lichess games. Average game length is 34 moves with a 3.3% draw rate.

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

At 1600-1799 Elo, the Semi-Slav Defense: Main Line has a 51.1% (90% CI: 50.9%-51.3%) win rate for white, based on 258K Lichess games. Average game length is 35 moves with a 3.8% draw rate.

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

At 1800-1999 Elo, the Semi-Slav Defense: Main Line has a 51.0% (90% CI: 50.9%-51.2%) win rate for white, based on 353K Lichess games. Average game length is 37 moves with a 4.4% draw rate.

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

At 2000-2199 Elo, the Semi-Slav Defense: Main Line has a 52.0% (90% CI: 51.8%-52.2%) win rate for white, based on 279K Lichess games. Average game length is 38 moves with a 4.8% draw rate.

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

At 2200-2499 Elo, the Semi-Slav Defense: Main Line has a 54.1% (90% CI: 53.9%-54.3%) win rate for white, based on 140K Lichess games. Average game length is 39 moves with a 5.3% draw rate.

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

At 2500+ Elo, the Semi-Slav Defense: Main Line has a 54.2% (90% CI: 53.6%-54.8%) win rate for white, based on 21K Lichess games. Average game length is 43 moves with a 9.2% draw rate.

What is the Semi-Slav Defense: Main Line win rate in UltraBullet?

In UltraBullet games, the Semi-Slav Defense: Main Line has a 56.9% (90% CI: 55.0%-58.8%) win rate for white (1.9K Lichess games). Draw rate is 1.4%.

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

In Bullet games, the Semi-Slav Defense: Main Line has a 52.5% (90% CI: 52.3%-52.6%) win rate for white (574K Lichess games). Draw rate is 3.1%.

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

In Blitz games, the Semi-Slav Defense: Main Line has a 51.2% (90% CI: 51.1%-51.4%) win rate for white (615K Lichess games). Draw rate is 5.0%.

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

In Rapid games, the Semi-Slav Defense: Main Line has a 51.5% (90% CI: 51.2%-51.7%) win rate for white (120K Lichess games). Draw rate is 6.2%.

What is the Semi-Slav Defense: Main Line win rate in Classical?

In Classical games, the Semi-Slav Defense: Main Line has a 52.3% (90% CI: 51.2%-53.5%) win rate for white (5.5K Lichess games). Draw rate is 8.8%.

Is the Semi-Slav Defense: Main Line a good opening?

The Semi-Slav Defense: Main Line is statistically favors white with a 51.8% (90% CI: 51.7%-51.9%) 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.