TrueEloPlay what wins.
Analyzer

Ruy Lopez: Cozio Defense, Tartakower Gambit

314 games from Lichess · Updated January 2026

Tough Sell
Black Expected Score46.6%Range (90% confident): 41.9% – 51.2%Based on 314 games
0%46.6%100%
Range (90% confident): 41.9% – 51.2%
Outcome Distribution
43.3%6.5%50.2%
Win
Draw
Loss
8...d5
Ruy Lopez: Cozio Defense, Tartakower Gambit
Analyzen=314
Avg Length34 moves
Sharpness94%
Draw Rate6.5%

What is the Ruy Lopez: Cozio Defense, Tartakower Gambit expected score for Black?

Snapshot

At all ratings, the Ruy Lopez: Cozio Defense, Tartakower Gambit has a 46.6% expected score for Black (we're 90% confident it's between 41.9% and 51.2%), based on 314 Lichess games.

Extra Analysis

Deep-dive datasets for this opening

Gambit BreakpointBlack

Peak: -10.7% · Breakpoint: 2000-2199

Black Win% by Rating

Declines with rating: 41% → 29%

1200
1400
1600
1800
2000
2200
2500+

  • 1200-1399: 41.2% win rate (7 games)
  • 1400-1599: 33.3% win rate (12 games)
  • 1600-1799: 48.8% win rate (20 games)
  • 1800-1999: 46.2% win rate (45 games)
  • 2000-2199: 48.5% win rate (82 games)
  • 2200-2499: 42.6% win rate (110 games)
  • 2500+: 29.1% win rate (38 games)

Black Win% by Time Control

Best in Bullet (50%), worst in Classical (14%)

Bullet
Blitz
Rapid
Classical

  • Bullet: 50.4% win rate (67 games)
  • Blitz: 41.1% win rate (214 games)
  • Rapid: 44.6% win rate (31 games)
  • Classical: 14.3% win rate (2 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

  • 1200-1399 rating, Bullet: 61.2% expected score (3 games)
  • 1200-1399 rating, Blitz: 38.9% expected score (3 games)
  • 1200-1399 rating, Rapid: 30.0% expected score (1 games)
  • 1400-1599 rating, Bullet: 70.0% expected score (1 games)
  • 1400-1599 rating, Blitz: 34.0% expected score (11 games)
  • 1600-1799 rating, Bullet: 32.4% expected score (7 games)
  • 1600-1799 rating, Blitz: 62.0% expected score (11 games)
  • 1600-1799 rating, Rapid: 64.3% expected score (2 games)
  • 1800-1999 rating, Bullet: 79.5% expected score (7 games)
  • 1800-1999 rating, Blitz: 43.0% expected score (34 games)
  • 1800-1999 rating, Rapid: 50.0% expected score (4 games)
  • 2000-2199 rating, Bullet: 76.1% expected score (10 games)
  • 2000-2199 rating, Blitz: 48.4% expected score (59 games)
  • 2000-2199 rating, Rapid: 50.0% expected score (11 games)
  • 2000-2199 rating, Classical: 21.5% expected score (2 games)
  • 2200-2499 rating, Bullet: 50.0% expected score (16 games)
  • 2200-2499 rating, Blitz: 43.4% expected score (81 games)
  • 2200-2499 rating, Rapid: 53.5% expected score (13 games)
  • 2500+ rating, Bullet: 37.8% expected score (23 games)
  • 2500+ rating, Blitz: 34.9% expected score (15 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: Cozio Defense, Tartakower Gambit PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Ruy Lopez: Cozio Defense, Tartakower Gambit win rate?

The Ruy Lopez: Cozio Defense, Tartakower Gambit has a 50.2% (90% CI: 45.6%-54.9%) win rate for white, based on 314 rated games from Lichess.

At what rating does the Ruy Lopez: Cozio Defense, Tartakower Gambit perform best?

The Ruy Lopez: Cozio Defense, Tartakower Gambit performs best at 2200-2499 Elo with a 51.6% win rate for white (110 games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Ruy Lopez: Cozio Defense, Tartakower Gambit better in blitz or rapid?

Blitz (52.7%) outperforms Bullet (44.5%) by 8.2%. Choose your time control wisely.

How sharp is the Ruy Lopez: Cozio Defense, Tartakower Gambit?

The Ruy Lopez: Cozio Defense, Tartakower Gambit has a sharpness score of 93.5 (decisive), meaning 93.5% of games end decisively. Average game length is 34 moves.

What is the Ruy Lopez: Cozio Defense, Tartakower Gambit win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Ruy Lopez: Cozio Defense, Tartakower Gambit has a 51.6% (90% CI: 43.8%-59.3%) win rate for white, based on 110 Lichess games. Average game length is 37 moves with a 5.8% draw rate.

What is the Ruy Lopez: Cozio Defense, Tartakower Gambit win rate in Blitz?

In Blitz games, the Ruy Lopez: Cozio Defense, Tartakower Gambit has a 52.7% (90% CI: 47.1%-58.2%) win rate for white (214 Lichess games). Draw rate is 6.3%.

Is the Ruy Lopez: Cozio Defense, Tartakower Gambit a good opening?

The Ruy Lopez: Cozio Defense, Tartakower Gambit is statistically balanced with a 50.2% (90% CI: 45.6%-54.9%) win rate across all ratings. It performs best at 2200-2499 Elo. Your results depend on your rating, time control, and how well you know the typical plans.