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Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line

1.2K games from Lichess · Updated January 2026

Playable
White Expected Score52.3%Range (90% confident): 50.0% – 54.6%Based on 1.2K games
0%52.3%100%
Range (90% confident): 50.0% – 54.6%
Outcome Distribution
47.8%8.9%43.3%
Win
Draw
Loss
7...Ne4
Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line
Analyzen=1.2K
Avg Length41 moves
Sharpness91%
Draw Rate8.9%

What is the Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line expected score for White?

Snapshot

At all ratings, the Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line has a 52.3% expected score for White (we're 90% confident it's between 50.0% and 54.6%), based on 1.2K Lichess games.

Extra Analysis

Deep-dive datasets for this opening

Time-Control Swing

Max swing: 10.9% · Rapid best · Blitz worst

White Win% by Rating

Declines with rating: 54% → 44%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 53.8% win rate (5 games)
  • 1000-1199: 61.3% win rate (14 games)
  • 1200-1399: 41.2% win rate (24 games)
  • 1400-1599: 64.4% win rate (49 games)
  • 1600-1799: 44.9% win rate (169 games)
  • 1800-1999: 45.8% win rate (336 games)
  • 2000-2199: 50.8% win rate (289 games)
  • 2200-2499: 46.0% win rate (267 games)
  • 2500+: 43.7% win rate (66 games)

White Win% by Time Control

Best in Rapid (56%), worst in Classical (38%)

Bullet
Blitz
Rapid
Classical

  • Bullet: 49.1% win rate (236 games)
  • Blitz: 44.7% win rate (715 games)
  • Rapid: 55.6% win rate (255 games)
  • Classical: 37.9% win rate (13 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: 21.5% expected score (2 games)
  • 0-999 rating, Blitz: 83.4% expected score (3 games)
  • 1000-1199 rating, Bullet: 73.1% expected score (5 games)
  • 1000-1199 rating, Blitz: 38.9% expected score (3 games)
  • 1000-1199 rating, Rapid: 63.4% expected score (6 games)
  • 1200-1399 rating, Bullet: 70.0% expected score (6 games)
  • 1200-1399 rating, Blitz: 31.0% expected score (9 games)
  • 1200-1399 rating, Rapid: 50.0% expected score (8 games)
  • 1200-1399 rating, Classical: 30.0% expected score (1 games)
  • 1400-1599 rating, Bullet: 50.0% expected score (6 games)
  • 1400-1599 rating, Blitz: 61.9% expected score (28 games)
  • 1400-1599 rating, Rapid: 81.1% expected score (13 games)
  • 1400-1599 rating, Classical: 78.6% expected score (2 games)
  • 1600-1799 rating, Bullet: 47.6% expected score (40 games)
  • 1600-1799 rating, Blitz: 44.2% expected score (101 games)
  • 1600-1799 rating, Rapid: 64.1% expected score (27 games)
  • 1600-1799 rating, Classical: 30.0% expected score (1 games)
  • 1800-1999 rating, Bullet: 50.9% expected score (57 games)
  • 1800-1999 rating, Blitz: 48.1% expected score (201 games)
  • 1800-1999 rating, Rapid: 54.0% expected score (74 games)
  • 1800-1999 rating, Classical: 31.9% expected score (4 games)
  • 2000-2199 rating, Bullet: 60.1% expected score (58 games)
  • 2000-2199 rating, Blitz: 48.6% expected score (142 games)
  • 2000-2199 rating, Rapid: 59.2% expected score (86 games)
  • 2000-2199 rating, Classical: 38.9% expected score (3 games)
  • 2200-2499 rating, Bullet: 48.9% expected score (42 games)
  • 2200-2499 rating, Blitz: 51.0% expected score (194 games)
  • 2200-2499 rating, Rapid: 62.7% expected score (30 games)
  • 2200-2499 rating, Classical: 30.0% expected score (1 games)
  • 2500+ rating, Bullet: 59.3% expected score (20 games)
  • 2500+ rating, Blitz: 54.2% expected score (34 games)
  • 2500+ rating, Rapid: 62.0% expected score (11 games)
  • 2500+ rating, Classical: 70.0% expected score (1 games)

Related Openings

Parent
Ruy Lopez
51.9%
Variations (5)
Ruy Lopez: Alapin Defense
55.9%
Ruy Lopez: Alapin Defense, Alapin Gambit
53.0%
Ruy Lopez: Berlin Defense
49.9%
Ruy Lopez: Berlin Defense, Anderssen Variation
48.6%
Ruy Lopez: Berlin Defense, Berlin Wall
12.2%
Analyze Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line win rate?

The Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line has a 47.8% (90% CI: 45.5%-50.2%) win rate for white, based on 1.2K rated games from Lichess.

At what rating does the Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line perform best?

The Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line performs best at 2000-2199 Elo with a 50.8% win rate for white (289 games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line better in blitz or rapid?

Rapid (55.6%) outperforms Blitz (44.7%) by 10.9%. Choose your time control wisely.

How sharp is the Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line?

The Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line has a sharpness score of 91.1 (decisive), meaning 91.1% of games end decisively. Average game length is 41 moves.

What is the Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line has a 44.9% (90% CI: 38.7%-51.2%) win rate for white, based on 169 Lichess games. Average game length is 36 moves with a 6.2% draw rate.

What is the Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line has a 45.8% (90% CI: 41.3%-50.2%) win rate for white, based on 336 Lichess games. Average game length is 38 moves with a 7.6% draw rate.

What is the Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line has a 50.8% (90% CI: 46.0%-55.6%) win rate for white, based on 289 Lichess games. Average game length is 41 moves with a 6.4% draw rate.

What is the Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line has a 46.0% (90% CI: 41.0%-51.0%) win rate for white, based on 267 Lichess games. Average game length is 44 moves with a 11.7% draw rate.

What is the Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line win rate in Bullet?

In Bullet games, the Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line has a 49.1% (90% CI: 43.7%-54.4%) win rate for white (236 Lichess games). Draw rate is 9.5%.

What is the Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line win rate in Blitz?

In Blitz games, the Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line has a 44.7% (90% CI: 41.7%-47.8%) win rate for white (715 Lichess games). Draw rate is 8.9%.

What is the Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line win rate in Rapid?

In Rapid games, the Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line has a 55.6% (90% CI: 50.4%-60.6%) win rate for white (255 Lichess games). Draw rate is 9.2%.

Is the Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line a good opening?

The Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line is statistically balanced with a 47.8% (90% CI: 45.5%-50.2%) 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.