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Ruy Lopez: Wormald Attack, Grünfeld Variation

275 games from Lichess · Updated January 2026

Tough Sell
Black Expected Score50.2%Range (90% confident): 45.3% – 55.1%Based on 275 games
0%50.2%100%
Range (90% confident): 45.3% – 55.1%
Outcome Distribution
47.2%6.0%46.8%
Win
Draw
Loss
8...Bg4
Ruy Lopez: Wormald Attack, Grünfeld Variation
Analyzen=275
Avg Length38 moves
Sharpness94%
Draw Rate6.0%

What is the Ruy Lopez: Wormald Attack, Grünfeld Variation expected score for Black?

Snapshot

At all ratings, the Ruy Lopez: Wormald Attack, Grünfeld Variation has a 50.2% expected score for Black (we're 90% confident it's between 45.3% and 55.1%), based on 275 Lichess games.

Black Win% by Rating

Improves with rating: 11% → 37%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 11.1% win rate (3 games)
  • 1000-1199: 33.3% win rate (6 games)
  • 1200-1399: 48.1% win rate (12 games)
  • 1400-1599: 48.7% win rate (18 games)
  • 1600-1799: 52.9% win rate (41 games)
  • 1800-1999: 46.3% win rate (60 games)
  • 2000-2199: 51.4% win rate (87 games)
  • 2200-2499: 37.3% win rate (40 games)
  • 2500+: 36.8% win rate (8 games)

Black Win% by Time Control

Best in Classical (53%), worst in Blitz (46%)

Bullet
Blitz
Rapid
Classical

  • Bullet: 46.8% win rate (38 games)
  • Blitz: 45.6% win rate (184 games)
  • Rapid: 51.6% win rate (46 games)
  • Classical: 52.9% win rate (7 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, Blitz: 16.7% expected score (3 games)
  • 1000-1199 rating, Bullet: 70.0% expected score (1 games)
  • 1000-1199 rating, Blitz: 21.5% expected score (2 games)
  • 1000-1199 rating, Rapid: 38.9% expected score (3 games)
  • 1200-1399 rating, Bullet: 30.0% expected score (1 games)
  • 1200-1399 rating, Blitz: 55.3% expected score (8 games)
  • 1200-1399 rating, Rapid: 61.2% expected score (3 games)
  • 1400-1599 rating, Bullet: 27.8% expected score (3 games)
  • 1400-1599 rating, Blitz: 59.6% expected score (9 games)
  • 1400-1599 rating, Rapid: 68.2% expected score (4 games)
  • 1400-1599 rating, Classical: 50.0% expected score (2 games)
  • 1600-1799 rating, Bullet: 57.7% expected score (5 games)
  • 1600-1799 rating, Blitz: 59.1% expected score (26 games)
  • 1600-1799 rating, Rapid: 35.7% expected score (9 games)
  • 1600-1799 rating, Classical: 70.0% expected score (1 games)
  • 1800-1999 rating, Bullet: 71.1% expected score (8 games)
  • 1800-1999 rating, Blitz: 43.2% expected score (35 games)
  • 1800-1999 rating, Rapid: 53.3% expected score (14 games)
  • 1800-1999 rating, Classical: 50.0% expected score (3 games)
  • 2000-2199 rating, Bullet: 44.2% expected score (7 games)
  • 2000-2199 rating, Blitz: 55.8% expected score (68 games)
  • 2000-2199 rating, Rapid: 62.0% expected score (11 games)
  • 2000-2199 rating, Classical: 70.0% expected score (1 games)
  • 2200-2499 rating, Bullet: 39.5% expected score (8 games)
  • 2200-2499 rating, Blitz: 34.1% expected score (30 games)
  • 2200-2499 rating, Rapid: 78.6% expected score (2 games)
  • 2500+ rating, Bullet: 42.4% expected score (5 games)
  • 2500+ rating, Blitz: 38.9% expected score (3 games)

Related Openings

Parent
Ruy Lopez
51.9%
Variations (5)
Ruy Lopez: Steinitz Defense
51.2%
Ruy Lopez: Berlin Defense
49.9%
Ruy Lopez: Classical Variation
48.7%
Ruy Lopez: Bird Variation
49.9%
Ruy Lopez: Cozio Defense
49.9%
Analyze Ruy Lopez: Wormald Attack, Grünfeld Variation PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Ruy Lopez: Wormald Attack, Grünfeld Variation win rate?

The Ruy Lopez: Wormald Attack, Grünfeld Variation has a 46.8% (90% CI: 41.9%-51.8%) win rate for white, based on 275 rated games from Lichess.

At what rating does the Ruy Lopez: Wormald Attack, Grünfeld Variation perform best?

The Ruy Lopez: Wormald Attack, Grünfeld Variation performs best at 1800-1999 Elo with a 46.3% win rate for white (60 games). Win rate tends to decline at higher ratings as opponents know the theory better.

How sharp is the Ruy Lopez: Wormald Attack, Grünfeld Variation?

The Ruy Lopez: Wormald Attack, Grünfeld Variation has a sharpness score of 94.0 (decisive), meaning 94.0% of games end decisively. Average game length is 38 moves.

What is the Ruy Lopez: Wormald Attack, Grünfeld Variation win rate in Blitz?

In Blitz games, the Ruy Lopez: Wormald Attack, Grünfeld Variation has a 48.2% (90% CI: 42.2%-54.3%) win rate for white (184 Lichess games). Draw rate is 6.2%.

Is the Ruy Lopez: Wormald Attack, Grünfeld Variation a good opening?

The Ruy Lopez: Wormald Attack, Grünfeld Variation is slightly favors black with a 46.8% (90% CI: 41.9%-51.8%) win rate across all ratings. It performs best at 1800-1999 Elo. Your results depend on your rating, time control, and how well you know the typical plans.