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Analyzer

Ruy Lopez: Berlin Defense, Mortimer Variation

27K games from Lichess · Updated January 2026

Playable
White Expected Score50.1%Range (90% confident): 49.6% – 50.6%Based on 27K games
0%50.1%100%
Range (90% confident): 49.6% – 50.6%
Outcome Distribution
47.8%4.5%47.7%
Win
Draw
Loss
No position data
Ruy Lopez: Berlin Defense, Mortimer Variation
n=27K
Avg Length36 moves
Sharpness96%
Draw Rate4.5%

What is the Ruy Lopez: Berlin Defense, Mortimer Variation expected score for White?

Snapshot

At all ratings, the Ruy Lopez: Berlin Defense, Mortimer Variation has a 50.1% expected score for White (we're 90% confident it's between 49.6% and 50.6%), based on 27K Lichess games.

White Win% by Rating

Declines with rating: 52% → 46%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 51.6% win rate (234 games)
  • 1000-1199: 52.0% win rate (816 games)
  • 1200-1399: 52.3% win rate (1,993 games)
  • 1400-1599: 49.8% win rate (3,082 games)
  • 1600-1799: 48.8% win rate (3,915 games)
  • 1800-1999: 45.8% win rate (5,179 games)
  • 2000-2199: 46.1% win rate (5,680 games)
  • 2200-2499: 47.5% win rate (4,655 games)
  • 2500+: 45.8% win rate (1,126 games)

White Win% by Time Control

Similar across time controls (~48%)

Bullet
Blitz
Rapid
Classical

  • Bullet: 47.2% win rate (5,643 games)
  • Blitz: 48.0% win rate (16,118 games)
  • Rapid: 47.7% win rate (4,720 games)
  • Classical: 46.6% win rate (199 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: 56.1% expected score (81 games)
  • 0-999 rating, Blitz: 50.9% expected score (107 games)
  • 0-999 rating, Rapid: 54.2% expected score (46 games)
  • 1000-1199 rating, Bullet: 49.2% expected score (227 games)
  • 1000-1199 rating, Blitz: 56.2% expected score (461 games)
  • 1000-1199 rating, Rapid: 50.8% expected score (126 games)
  • 1000-1199 rating, Classical: 50.0% expected score (2 games)
  • 1200-1399 rating, Bullet: 52.7% expected score (454 games)
  • 1200-1399 rating, Blitz: 54.5% expected score (1,164 games)
  • 1200-1399 rating, Rapid: 52.6% expected score (370 games)
  • 1200-1399 rating, Classical: 42.4% expected score (5 games)
  • 1400-1599 rating, Bullet: 51.8% expected score (518 games)
  • 1400-1599 rating, Blitz: 51.2% expected score (1,795 games)
  • 1400-1599 rating, Rapid: 51.8% expected score (733 games)
  • 1400-1599 rating, Classical: 46.0% expected score (36 games)
  • 1600-1799 rating, Bullet: 49.7% expected score (538 games)
  • 1600-1799 rating, Blitz: 51.2% expected score (2,208 games)
  • 1600-1799 rating, Rapid: 50.4% expected score (1,100 games)
  • 1600-1799 rating, Classical: 52.8% expected score (69 games)
  • 1800-1999 rating, Bullet: 47.1% expected score (1,059 games)
  • 1800-1999 rating, Blitz: 47.6% expected score (3,051 games)
  • 1800-1999 rating, Rapid: 49.7% expected score (1,013 games)
  • 1800-1999 rating, Classical: 49.2% expected score (56 games)
  • 2000-2199 rating, Bullet: 49.2% expected score (1,032 games)
  • 2000-2199 rating, Blitz: 48.9% expected score (3,765 games)
  • 2000-2199 rating, Rapid: 47.3% expected score (860 games)
  • 2000-2199 rating, Classical: 50.0% expected score (23 games)
  • 2200-2499 rating, Bullet: 48.3% expected score (1,162 games)
  • 2200-2499 rating, Blitz: 50.8% expected score (3,031 games)
  • 2200-2499 rating, Rapid: 52.7% expected score (456 games)
  • 2200-2499 rating, Classical: 63.4% expected score (6 games)
  • 2500+ rating, Bullet: 44.7% expected score (572 games)
  • 2500+ rating, Blitz: 53.6% expected score (536 games)
  • 2500+ rating, Rapid: 58.6% expected score (16 games)
  • 2500+ rating, Classical: 50.0% expected score (2 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%

Frequently Asked Questions

What is the Ruy Lopez: Berlin Defense, Mortimer Variation win rate?

The Ruy Lopez: Berlin Defense, Mortimer Variation has a 47.8% (90% CI: 47.3%-48.3%) win rate for white, based on 27K rated games from Lichess.

At what rating does the Ruy Lopez: Berlin Defense, Mortimer Variation perform best?

The Ruy Lopez: Berlin Defense, Mortimer Variation performs best at 1200-1399 Elo with a 52.3% win rate for white (2.0K games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Ruy Lopez: Berlin Defense, Mortimer Variation better in blitz or rapid?

Blitz (48.0%) outperforms Classical (46.6%) by 1.4%. Choose your time control wisely.

How sharp is the Ruy Lopez: Berlin Defense, Mortimer Variation?

The Ruy Lopez: Berlin Defense, Mortimer Variation has a sharpness score of 95.5 (very decisive), meaning 95.5% of games end decisively. Average game length is 36 moves.

What is the Ruy Lopez: Berlin Defense, Mortimer Variation win rate at 0-999 Elo?

At 0-999 Elo, the Ruy Lopez: Berlin Defense, Mortimer Variation has a 51.6% (90% CI: 46.2%-56.9%) win rate for white, based on 234 Lichess games. Average game length is 28 moves with a 3.6% draw rate.

What is the Ruy Lopez: Berlin Defense, Mortimer Variation win rate at 1000-1199 Elo?

At 1000-1199 Elo, the Ruy Lopez: Berlin Defense, Mortimer Variation has a 52.0% (90% CI: 49.2%-54.9%) win rate for white, based on 816 Lichess games. Average game length is 28 moves with a 2.6% draw rate.

What is the Ruy Lopez: Berlin Defense, Mortimer Variation win rate at 1200-1399 Elo?

At 1200-1399 Elo, the Ruy Lopez: Berlin Defense, Mortimer Variation has a 52.3% (90% CI: 50.4%-54.1%) win rate for white, based on 2.0K Lichess games. Average game length is 31 moves with a 2.8% draw rate.

What is the Ruy Lopez: Berlin Defense, Mortimer Variation win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Ruy Lopez: Berlin Defense, Mortimer Variation has a 49.8% (90% CI: 48.3%-51.3%) win rate for white, based on 3.1K Lichess games. Average game length is 32 moves with a 3.1% draw rate.

What is the Ruy Lopez: Berlin Defense, Mortimer Variation win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Ruy Lopez: Berlin Defense, Mortimer Variation has a 48.8% (90% CI: 47.5%-50.1%) win rate for white, based on 3.9K Lichess games. Average game length is 34 moves with a 3.9% draw rate.

What is the Ruy Lopez: Berlin Defense, Mortimer Variation win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Ruy Lopez: Berlin Defense, Mortimer Variation has a 45.8% (90% CI: 44.6%-46.9%) win rate for white, based on 5.2K Lichess games. Average game length is 36 moves with a 4.3% draw rate.

What is the Ruy Lopez: Berlin Defense, Mortimer Variation win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Ruy Lopez: Berlin Defense, Mortimer Variation has a 46.1% (90% CI: 45.0%-47.2%) win rate for white, based on 5.7K Lichess games. Average game length is 38 moves with a 5.2% draw rate.

What is the Ruy Lopez: Berlin Defense, Mortimer Variation win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Ruy Lopez: Berlin Defense, Mortimer Variation has a 47.5% (90% CI: 46.3%-48.7%) win rate for white, based on 4.7K Lichess games. Average game length is 40 moves with a 5.7% draw rate.

What is the Ruy Lopez: Berlin Defense, Mortimer Variation win rate at 2500+ Elo?

At 2500+ Elo, the Ruy Lopez: Berlin Defense, Mortimer Variation has a 45.8% (90% CI: 43.4%-48.3%) win rate for white, based on 1.1K Lichess games. Average game length is 43 moves with a 6.6% draw rate.

What is the Ruy Lopez: Berlin Defense, Mortimer Variation win rate in Bullet?

In Bullet games, the Ruy Lopez: Berlin Defense, Mortimer Variation has a 47.2% (90% CI: 46.1%-48.3%) win rate for white (5.6K Lichess games). Draw rate is 3.1%.

What is the Ruy Lopez: Berlin Defense, Mortimer Variation win rate in Blitz?

In Blitz games, the Ruy Lopez: Berlin Defense, Mortimer Variation has a 48.0% (90% CI: 47.4%-48.7%) win rate for white (16K Lichess games). Draw rate is 4.6%.

What is the Ruy Lopez: Berlin Defense, Mortimer Variation win rate in Rapid?

In Rapid games, the Ruy Lopez: Berlin Defense, Mortimer Variation has a 47.7% (90% CI: 46.5%-48.9%) win rate for white (4.7K Lichess games). Draw rate is 5.4%.

What is the Ruy Lopez: Berlin Defense, Mortimer Variation win rate in Classical?

In Classical games, the Ruy Lopez: Berlin Defense, Mortimer Variation has a 46.6% (90% CI: 40.9%-52.4%) win rate for white (199 Lichess games). Draw rate is 7.2%.

Is the Ruy Lopez: Berlin Defense, Mortimer Variation a good opening?

The Ruy Lopez: Berlin Defense, Mortimer Variation is statistically balanced with a 47.8% (90% CI: 47.3%-48.3%) win rate across all ratings. It performs best at 1200-1399 Elo. Your results depend on your rating, time control, and how well you know the typical plans.