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Réti Opening: Anglo-Slav Variation, London Defensive System

8.1K games from Lichess · Updated January 2026

Tough Sell
Black Expected Score47.4%Range (90% confident): 46.5% – 48.3%Based on 8.1K games
0%47.4%100%
Range (90% confident): 46.5% – 48.3%
Outcome Distribution
44.1%6.5%49.4%
Win
Draw
Loss
4...Bf5
Réti Opening: Anglo-Slav Variation, London Defensive System
Analyzen=8.1K
Avg Length39 moves
Sharpness94%
Draw Rate6.5%

What is the Réti Opening: Anglo-Slav Variation, London Defensive System expected score for Black?

Snapshot

At all ratings, the Réti Opening: Anglo-Slav Variation, London Defensive System has a 47.4% expected score for Black (we're 90% confident it's between 46.5% and 48.3%), based on 8.1K Lichess games.

Black Win% by Rating

Declines with rating: 55% → 40%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 55.2% win rate (32 games)
  • 1000-1199: 59.7% win rate (78 games)
  • 1200-1399: 46.9% win rate (187 games)
  • 1400-1599: 48.5% win rate (321 games)
  • 1600-1799: 45.1% win rate (574 games)
  • 1800-1999: 44.7% win rate (1,241 games)
  • 2000-2199: 43.4% win rate (2,484 games)
  • 2200-2499: 43.5% win rate (2,790 games)
  • 2500+: 39.6% win rate (343 games)

Black Win% by Time Control

Best in UltraBullet (60%), worst in Rapid (43%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 60.0% win rate (1 games)
  • Bullet: 44.4% win rate (1,539 games)
  • Blitz: 44.1% win rate (5,492 games)
  • Rapid: 43.3% win rate (951 games)
  • Classical: 48.9% win rate (67 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, Bullet: 44.2% expected score (7 games)
  • 0-999 rating, Blitz: 64.0% expected score (20 games)
  • 0-999 rating, Rapid: 42.4% expected score (5 games)
  • 1000-1199 rating, Bullet: 57.3% expected score (19 games)
  • 1000-1199 rating, Blitz: 61.6% expected score (46 games)
  • 1000-1199 rating, Rapid: 70.7% expected score (13 games)
  • 1200-1399 rating, Bullet: 47.1% expected score (49 games)
  • 1200-1399 rating, Blitz: 50.0% expected score (99 games)
  • 1200-1399 rating, Rapid: 51.2% expected score (39 games)
  • 1400-1599 rating, UltraBullet: 70.0% expected score (1 games)
  • 1400-1599 rating, Bullet: 51.8% expected score (81 games)
  • 1400-1599 rating, Blitz: 48.5% expected score (168 games)
  • 1400-1599 rating, Rapid: 52.1% expected score (70 games)
  • 1400-1599 rating, Classical: 70.0% expected score (1 games)
  • 1600-1799 rating, Bullet: 48.1% expected score (51 games)
  • 1600-1799 rating, Blitz: 48.6% expected score (404 games)
  • 1600-1799 rating, Rapid: 42.2% expected score (108 games)
  • 1600-1799 rating, Classical: 46.0% expected score (11 games)
  • 1800-1999 rating, Bullet: 41.0% expected score (208 games)
  • 1800-1999 rating, Blitz: 49.0% expected score (719 games)
  • 1800-1999 rating, Rapid: 50.4% expected score (291 games)
  • 1800-1999 rating, Classical: 50.0% expected score (23 games)
  • 2000-2199 rating, Bullet: 46.0% expected score (448 games)
  • 2000-2199 rating, Blitz: 46.6% expected score (1,712 games)
  • 2000-2199 rating, Rapid: 44.8% expected score (298 games)
  • 2000-2199 rating, Classical: 62.8% expected score (26 games)
  • 2200-2499 rating, Bullet: 49.4% expected score (490 games)
  • 2200-2499 rating, Blitz: 46.7% expected score (2,169 games)
  • 2200-2499 rating, Rapid: 46.1% expected score (125 games)
  • 2200-2499 rating, Classical: 43.3% expected score (6 games)
  • 2500+ rating, Bullet: 41.8% expected score (186 games)
  • 2500+ rating, Blitz: 49.4% expected score (155 games)
  • 2500+ rating, Rapid: 78.6% expected score (2 games)

Related Openings

Parent
Réti Opening
52.0%
Variations (5)
Réti Opening: Réti Accepted
54.7%
Réti Opening: Advance Variation
51.9%
Réti Opening: Anglo-Slav Variation, Bogoljubow Variation, Stonewall Line
53.1%
Réti Opening: Anglo-Slav Variation, Bogoljubow Variation
51.0%
Réti Opening: Reversed Blumenfeld Gambit
52.3%
Analyze Réti Opening: Anglo-Slav Variation, London Defensive System PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Réti Opening: Anglo-Slav Variation, London Defensive System win rate?

The Réti Opening: Anglo-Slav Variation, London Defensive System has a 49.4% (90% CI: 48.5%-50.3%) win rate for white, based on 8.1K rated games from Lichess.

At what rating does the Réti Opening: Anglo-Slav Variation, London Defensive System perform best?

The Réti Opening: Anglo-Slav Variation, London Defensive System performs best at 2000-2199 Elo with a 50.5% win rate for white (2.5K games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Réti Opening: Anglo-Slav Variation, London Defensive System better in blitz or rapid?

Bullet (51.6%) outperforms Classical (40.1%) by 11.5%. Choose your time control wisely.

How sharp is the Réti Opening: Anglo-Slav Variation, London Defensive System?

The Réti Opening: Anglo-Slav Variation, London Defensive System has a sharpness score of 93.5 (decisive), meaning 93.5% of games end decisively. Average game length is 39 moves.

What is the Réti Opening: Anglo-Slav Variation, London Defensive System win rate at 1200-1399 Elo?

At 1200-1399 Elo, the Réti Opening: Anglo-Slav Variation, London Defensive System has a 48.0% (90% CI: 42.1%-54.0%) win rate for white, based on 187 Lichess games. Average game length is 32 moves with a 5.0% draw rate.

What is the Réti Opening: Anglo-Slav Variation, London Defensive System win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Réti Opening: Anglo-Slav Variation, London Defensive System has a 47.6% (90% CI: 43.0%-52.2%) win rate for white, based on 321 Lichess games. Average game length is 35 moves with a 3.9% draw rate.

What is the Réti Opening: Anglo-Slav Variation, London Defensive System win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Réti Opening: Anglo-Slav Variation, London Defensive System has a 50.5% (90% CI: 47.1%-53.9%) win rate for white, based on 574 Lichess games. Average game length is 35 moves with a 4.4% draw rate.

What is the Réti Opening: Anglo-Slav Variation, London Defensive System win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Réti Opening: Anglo-Slav Variation, London Defensive System has a 48.8% (90% CI: 46.5%-51.1%) win rate for white, based on 1.2K Lichess games. Average game length is 38 moves with a 6.5% draw rate.

What is the Réti Opening: Anglo-Slav Variation, London Defensive System win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Réti Opening: Anglo-Slav Variation, London Defensive System has a 50.5% (90% CI: 48.8%-52.1%) win rate for white, based on 2.5K Lichess games. Average game length is 39 moves with a 6.1% draw rate.

What is the Réti Opening: Anglo-Slav Variation, London Defensive System win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Réti Opening: Anglo-Slav Variation, London Defensive System has a 49.4% (90% CI: 47.8%-50.9%) win rate for white, based on 2.8K Lichess games. Average game length is 41 moves with a 7.1% draw rate.

What is the Réti Opening: Anglo-Slav Variation, London Defensive System win rate at 2500+ Elo?

At 2500+ Elo, the Réti Opening: Anglo-Slav Variation, London Defensive System has a 48.6% (90% CI: 44.2%-53.0%) win rate for white, based on 343 Lichess games. Average game length is 45 moves with a 11.8% draw rate.

What is the Réti Opening: Anglo-Slav Variation, London Defensive System win rate in Bullet?

In Bullet games, the Réti Opening: Anglo-Slav Variation, London Defensive System has a 51.6% (90% CI: 49.5%-53.7%) win rate for white (1.5K Lichess games). Draw rate is 4.1%.

What is the Réti Opening: Anglo-Slav Variation, London Defensive System win rate in Blitz?

In Blitz games, the Réti Opening: Anglo-Slav Variation, London Defensive System has a 49.2% (90% CI: 48.1%-50.3%) win rate for white (5.5K Lichess games). Draw rate is 6.7%.

What is the Réti Opening: Anglo-Slav Variation, London Defensive System win rate in Rapid?

In Rapid games, the Réti Opening: Anglo-Slav Variation, London Defensive System has a 48.0% (90% CI: 45.4%-50.7%) win rate for white (951 Lichess games). Draw rate is 8.7%.

Is the Réti Opening: Anglo-Slav Variation, London Defensive System a good opening?

The Réti Opening: Anglo-Slav Variation, London Defensive System is statistically balanced with a 49.4% (90% CI: 48.5%-50.3%) 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.