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Sicilian Defense: O'Kelly Variation, Réti System

36K games from Lichess · Updated January 2026

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White Expected Score53.7%Range (90% confident): 53.3% – 54.1%Based on 36K games
0%53.7%100%
Range (90% confident): 53.3% – 54.1%
Outcome Distribution
51.0%5.3%43.6%
Win
Draw
Loss
3.g3
Sicilian Defense: O'Kelly Variation, Réti System
Analyzen=36K
Avg Length37 moves
Sharpness95%
Draw Rate5.3%

What is the Sicilian Defense: O'Kelly Variation, Réti System expected score for White?

Snapshot

At all ratings, the Sicilian Defense: O'Kelly Variation, Réti System has a 53.7% expected score for White (we're 90% confident it's between 53.3% and 54.1%), based on 36K Lichess games.

White Win% by Rating

Improves with rating: 50% → 53%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 50.1% win rate (237 games)
  • 1000-1199: 52.8% win rate (859 games)
  • 1200-1399: 50.8% win rate (1,716 games)
  • 1400-1599: 51.0% win rate (3,249 games)
  • 1600-1799: 50.6% win rate (4,761 games)
  • 1800-1999: 50.2% win rate (6,082 games)
  • 2000-2199: 50.7% win rate (8,694 games)
  • 2200-2499: 51.5% win rate (8,721 games)
  • 2500+: 53.1% win rate (1,929 games)

White Win% by Time Control

Best in UltraBullet (73%), worst in Bullet (51%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 73.3% win rate (6 games)
  • Bullet: 50.7% win rate (7,634 games)
  • Blitz: 51.1% win rate (22,596 games)
  • Rapid: 50.9% win rate (5,775 games)
  • Classical: 53.5% win rate (237 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, Bullet: 51.5% expected score (99 games)
  • 0-999 rating, Blitz: 49.6% expected score (107 games)
  • 0-999 rating, Rapid: 57.7% expected score (31 games)
  • 1000-1199 rating, UltraBullet: 78.6% expected score (2 games)
  • 1000-1199 rating, Bullet: 53.0% expected score (219 games)
  • 1000-1199 rating, Blitz: 55.2% expected score (497 games)
  • 1000-1199 rating, Rapid: 51.4% expected score (140 games)
  • 1000-1199 rating, Classical: 70.0% expected score (1 games)
  • 1200-1399 rating, UltraBullet: 78.6% expected score (2 games)
  • 1200-1399 rating, Bullet: 47.2% expected score (335 games)
  • 1200-1399 rating, Blitz: 53.7% expected score (1,001 games)
  • 1200-1399 rating, Rapid: 53.8% expected score (371 games)
  • 1200-1399 rating, Classical: 32.4% expected score (7 games)
  • 1400-1599 rating, UltraBullet: 30.0% expected score (1 games)
  • 1400-1599 rating, Bullet: 52.0% expected score (550 games)
  • 1400-1599 rating, Blitz: 53.0% expected score (1,827 games)
  • 1400-1599 rating, Rapid: 52.8% expected score (824 games)
  • 1400-1599 rating, Classical: 56.2% expected score (47 games)
  • 1600-1799 rating, Bullet: 51.5% expected score (774 games)
  • 1600-1799 rating, Blitz: 53.6% expected score (2,785 games)
  • 1600-1799 rating, Rapid: 51.8% expected score (1,128 games)
  • 1600-1799 rating, Classical: 50.7% expected score (74 games)
  • 1800-1999 rating, UltraBullet: 70.0% expected score (1 games)
  • 1800-1999 rating, Bullet: 51.9% expected score (876 games)
  • 1800-1999 rating, Blitz: 53.0% expected score (3,748 games)
  • 1800-1999 rating, Rapid: 52.7% expected score (1,376 games)
  • 1800-1999 rating, Classical: 64.6% expected score (81 games)
  • 2000-2199 rating, Bullet: 53.4% expected score (1,455 games)
  • 2000-2199 rating, Blitz: 53.1% expected score (6,091 games)
  • 2000-2199 rating, Rapid: 55.3% expected score (1,129 games)
  • 2000-2199 rating, Classical: 64.7% expected score (19 games)
  • 2200-2499 rating, Bullet: 52.6% expected score (2,271 games)
  • 2200-2499 rating, Blitz: 55.4% expected score (5,711 games)
  • 2200-2499 rating, Rapid: 57.7% expected score (731 games)
  • 2200-2499 rating, Classical: 34.2% expected score (8 games)
  • 2500+ rating, Bullet: 55.9% expected score (1,055 games)
  • 2500+ rating, Blitz: 58.3% expected score (829 games)
  • 2500+ rating, Rapid: 68.3% expected score (45 games)

Related Openings

Parent
Sicilian Defense
48.5%
Variations (5)
Sicilian Defense: Accelerated Dragon
45.7%
Sicilian Defense: Accelerated Dragon, Exchange Variation
45.8%
Sicilian Defense: Accelerated Dragon, Maróczy Bind
48.8%
Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation
43.7%
Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation
44.6%
Analyze Sicilian Defense: O'Kelly Variation, Réti System PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Sicilian Defense: O'Kelly Variation, Réti System win rate?

The Sicilian Defense: O'Kelly Variation, Réti System has a 51.0% (90% CI: 50.6%-51.4%) win rate for white, based on 36K rated games from Lichess.

At what rating does the Sicilian Defense: O'Kelly Variation, Réti System perform best?

The Sicilian Defense: O'Kelly Variation, Réti System performs best at 2500+ Elo with a 53.1% win rate for white (1.9K games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Sicilian Defense: O'Kelly Variation, Réti System better in blitz or rapid?

Blitz (51.1%) outperforms Classical (53.5%) by -2.4%. Choose your time control wisely.

How sharp is the Sicilian Defense: O'Kelly Variation, Réti System?

The Sicilian Defense: O'Kelly Variation, Réti System has a sharpness score of 94.7 (decisive), meaning 94.7% of games end decisively. Average game length is 37 moves.

What is the Sicilian Defense: O'Kelly Variation, Réti System win rate at 0-999 Elo?

At 0-999 Elo, the Sicilian Defense: O'Kelly Variation, Réti System has a 50.1% (90% CI: 44.8%-55.4%) win rate for white, based on 237 Lichess games. Average game length is 28 moves with a 2.7% draw rate.

What is the Sicilian Defense: O'Kelly Variation, Réti System win rate at 1000-1199 Elo?

At 1000-1199 Elo, the Sicilian Defense: O'Kelly Variation, Réti System has a 52.8% (90% CI: 50.0%-55.6%) win rate for white, based on 859 Lichess games. Average game length is 32 moves with a 2.6% draw rate.

What is the Sicilian Defense: O'Kelly Variation, Réti System win rate at 1200-1399 Elo?

At 1200-1399 Elo, the Sicilian Defense: O'Kelly Variation, Réti System has a 50.8% (90% CI: 48.8%-52.8%) win rate for white, based on 1.7K Lichess games. Average game length is 33 moves with a 3.2% draw rate.

What is the Sicilian Defense: O'Kelly Variation, Réti System win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Sicilian Defense: O'Kelly Variation, Réti System has a 51.0% (90% CI: 49.5%-52.4%) win rate for white, based on 3.2K Lichess games. Average game length is 35 moves with a 3.6% draw rate.

What is the Sicilian Defense: O'Kelly Variation, Réti System win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Sicilian Defense: O'Kelly Variation, Réti System has a 50.6% (90% CI: 49.4%-51.8%) win rate for white, based on 4.8K Lichess games. Average game length is 37 moves with a 4.3% draw rate.

What is the Sicilian Defense: O'Kelly Variation, Réti System win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Sicilian Defense: O'Kelly Variation, Réti System has a 50.2% (90% CI: 49.2%-51.3%) win rate for white, based on 6.1K Lichess games. Average game length is 37 moves with a 5.3% draw rate.

What is the Sicilian Defense: O'Kelly Variation, Réti System win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Sicilian Defense: O'Kelly Variation, Réti System has a 50.7% (90% CI: 49.8%-51.6%) win rate for white, based on 8.7K Lichess games. Average game length is 38 moves with a 5.5% draw rate.

What is the Sicilian Defense: O'Kelly Variation, Réti System win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Sicilian Defense: O'Kelly Variation, Réti System has a 51.5% (90% CI: 50.6%-52.4%) win rate for white, based on 8.7K Lichess games. Average game length is 39 moves with a 6.6% draw rate.

What is the Sicilian Defense: O'Kelly Variation, Réti System win rate at 2500+ Elo?

At 2500+ Elo, the Sicilian Defense: O'Kelly Variation, Réti System has a 53.1% (90% CI: 51.2%-54.9%) win rate for white, based on 1.9K Lichess games. Average game length is 41 moves with a 8.3% draw rate.

What is the Sicilian Defense: O'Kelly Variation, Réti System win rate in Bullet?

In Bullet games, the Sicilian Defense: O'Kelly Variation, Réti System has a 50.7% (90% CI: 49.8%-51.6%) win rate for white (7.6K Lichess games). Draw rate is 4.0%.

What is the Sicilian Defense: O'Kelly Variation, Réti System win rate in Blitz?

In Blitz games, the Sicilian Defense: O'Kelly Variation, Réti System has a 51.1% (90% CI: 50.6%-51.6%) win rate for white (23K Lichess games). Draw rate is 5.6%.

What is the Sicilian Defense: O'Kelly Variation, Réti System win rate in Rapid?

In Rapid games, the Sicilian Defense: O'Kelly Variation, Réti System has a 50.9% (90% CI: 49.8%-52.0%) win rate for white (5.8K Lichess games). Draw rate is 5.9%.

What is the Sicilian Defense: O'Kelly Variation, Réti System win rate in Classical?

In Classical games, the Sicilian Defense: O'Kelly Variation, Réti System has a 53.5% (90% CI: 48.1%-58.7%) win rate for white (237 Lichess games). Draw rate is 6.5%.

Is the Sicilian Defense: O'Kelly Variation, Réti System a good opening?

The Sicilian Defense: O'Kelly Variation, Réti System is statistically favors white with a 51.0% (90% CI: 50.6%-51.4%) 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.