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Analyzer

Colle System: Rhamphorhynchus Variation

9.7K games from Lichess · Updated January 2026

Tough Sell
White Expected Score48.5%Range (90% confident): 47.7% – 49.4%Based on 9.7K games
0%48.5%100%
Range (90% confident): 47.7% – 49.4%
Outcome Distribution
46.3%4.3%49.4%
Win
Draw
Loss
4...Qa5+
Colle System: Rhamphorhynchus Variation
Analyzen=9.7K
Avg Length37 moves
Sharpness96%
Draw Rate4.3%

What is the Colle System: Rhamphorhynchus Variation expected score for White?

Snapshot

At all ratings, the Colle System: Rhamphorhynchus Variation has a 48.5% expected score for White (we're 90% confident it's between 47.7% and 49.4%), based on 9.7K Lichess games.

White Win% by Rating

Improves with rating: 42% → 51%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 42.1% win rate (97 games)
  • 1000-1199: 43.6% win rate (275 games)
  • 1200-1399: 46.3% win rate (717 games)
  • 1400-1599: 43.5% win rate (1,371 games)
  • 1600-1799: 43.8% win rate (2,168 games)
  • 1800-1999: 46.3% win rate (2,414 games)
  • 2000-2199: 48.6% win rate (1,322 games)
  • 2200-2499: 52.4% win rate (1,004 games)
  • 2500+: 50.5% win rate (356 games)

White Win% by Time Control

Best in UltraBullet (52%), worst in Classical (41%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 52.0% win rate (11 games)
  • Bullet: 47.6% win rate (4,647 games)
  • Blitz: 44.9% win rate (4,269 games)
  • Rapid: 46.4% win rate (780 games)
  • Classical: 40.5% win rate (17 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: 39.3% expected score (31 games)
  • 0-999 rating, Blitz: 50.9% expected score (56 games)
  • 0-999 rating, Rapid: 23.9% expected score (10 games)
  • 1000-1199 rating, Bullet: 44.4% expected score (140 games)
  • 1000-1199 rating, Blitz: 45.8% expected score (117 games)
  • 1000-1199 rating, Rapid: 44.6% expected score (17 games)
  • 1000-1199 rating, Classical: 30.0% expected score (1 games)
  • 1200-1399 rating, UltraBullet: 30.0% expected score (1 games)
  • 1200-1399 rating, Bullet: 45.9% expected score (312 games)
  • 1200-1399 rating, Blitz: 48.6% expected score (342 games)
  • 1200-1399 rating, Rapid: 55.6% expected score (61 games)
  • 1200-1399 rating, Classical: 30.0% expected score (1 games)
  • 1400-1599 rating, UltraBullet: 50.0% expected score (2 games)
  • 1400-1599 rating, Bullet: 44.1% expected score (515 games)
  • 1400-1599 rating, Blitz: 45.8% expected score (693 games)
  • 1400-1599 rating, Rapid: 46.3% expected score (159 games)
  • 1400-1599 rating, Classical: 50.0% expected score (2 games)
  • 1600-1799 rating, UltraBullet: 61.2% expected score (3 games)
  • 1600-1799 rating, Bullet: 46.0% expected score (737 games)
  • 1600-1799 rating, Blitz: 45.9% expected score (1,152 games)
  • 1600-1799 rating, Rapid: 47.8% expected score (270 games)
  • 1600-1799 rating, Classical: 63.4% expected score (6 games)
  • 1800-1999 rating, UltraBullet: 68.2% expected score (4 games)
  • 1800-1999 rating, Bullet: 49.3% expected score (1,116 games)
  • 1800-1999 rating, Blitz: 46.3% expected score (1,082 games)
  • 1800-1999 rating, Rapid: 54.3% expected score (208 games)
  • 1800-1999 rating, Classical: 59.1% expected score (4 games)
  • 2000-2199 rating, UltraBullet: 30.0% expected score (1 games)
  • 2000-2199 rating, Bullet: 49.1% expected score (810 games)
  • 2000-2199 rating, Blitz: 54.3% expected score (468 games)
  • 2000-2199 rating, Rapid: 40.6% expected score (41 games)
  • 2000-2199 rating, Classical: 21.5% expected score (2 games)
  • 2200-2499 rating, Bullet: 56.7% expected score (705 games)
  • 2200-2499 rating, Blitz: 51.9% expected score (286 games)
  • 2200-2499 rating, Rapid: 53.7% expected score (12 games)
  • 2200-2499 rating, Classical: 50.0% expected score (1 games)
  • 2500+ rating, Bullet: 53.4% expected score (281 games)
  • 2500+ rating, Blitz: 55.4% expected score (73 games)
  • 2500+ rating, Rapid: 50.0% expected score (2 games)

Related Openings

Variations (1)
Colle System: Pterodactyl Variation
51.9%
Analyze Colle System: Rhamphorhynchus Variation PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Colle System: Rhamphorhynchus Variation win rate?

The Colle System: Rhamphorhynchus Variation has a 46.3% (90% CI: 45.5%-47.2%) win rate for white, based on 9.7K rated games from Lichess.

At what rating does the Colle System: Rhamphorhynchus Variation perform best?

The Colle System: Rhamphorhynchus Variation performs best at 2200-2499 Elo with a 52.4% win rate for white (1.0K games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Colle System: Rhamphorhynchus Variation better in blitz or rapid?

Bullet (47.6%) outperforms Rapid (46.4%) by 1.2%. Choose your time control wisely.

How sharp is the Colle System: Rhamphorhynchus Variation?

The Colle System: Rhamphorhynchus Variation has a sharpness score of 95.7 (very decisive), meaning 95.7% of games end decisively. Average game length is 37 moves.

What is the Colle System: Rhamphorhynchus Variation win rate at 1000-1199 Elo?

At 1000-1199 Elo, the Colle System: Rhamphorhynchus Variation has a 43.6% (90% CI: 38.7%-48.5%) win rate for white, based on 275 Lichess games. Average game length is 29 moves with a 2.4% draw rate.

What is the Colle System: Rhamphorhynchus Variation win rate at 1200-1399 Elo?

At 1200-1399 Elo, the Colle System: Rhamphorhynchus Variation has a 46.3% (90% CI: 43.2%-49.3%) win rate for white, based on 717 Lichess games. Average game length is 31 moves with a 3.1% draw rate.

What is the Colle System: Rhamphorhynchus Variation win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Colle System: Rhamphorhynchus Variation has a 43.5% (90% CI: 41.3%-45.7%) win rate for white, based on 1.4K Lichess games. Average game length is 34 moves with a 3.4% draw rate.

What is the Colle System: Rhamphorhynchus Variation win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Colle System: Rhamphorhynchus Variation has a 43.8% (90% CI: 42.1%-45.6%) win rate for white, based on 2.2K Lichess games. Average game length is 37 moves with a 4.9% draw rate.

What is the Colle System: Rhamphorhynchus Variation win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Colle System: Rhamphorhynchus Variation has a 46.3% (90% CI: 44.6%-48.0%) win rate for white, based on 2.4K Lichess games. Average game length is 39 moves with a 4.3% draw rate.

What is the Colle System: Rhamphorhynchus Variation win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Colle System: Rhamphorhynchus Variation has a 48.6% (90% CI: 46.4%-50.9%) win rate for white, based on 1.3K Lichess games. Average game length is 39 moves with a 3.7% draw rate.

What is the Colle System: Rhamphorhynchus Variation win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Colle System: Rhamphorhynchus Variation has a 52.4% (90% CI: 49.8%-54.9%) win rate for white, based on 1.0K Lichess games. Average game length is 40 moves with a 5.8% draw rate.

What is the Colle System: Rhamphorhynchus Variation win rate at 2500+ Elo?

At 2500+ Elo, the Colle System: Rhamphorhynchus Variation has a 50.5% (90% CI: 46.1%-54.8%) win rate for white, based on 356 Lichess games. Average game length is 45 moves with a 6.6% draw rate.

What is the Colle System: Rhamphorhynchus Variation win rate in Bullet?

In Bullet games, the Colle System: Rhamphorhynchus Variation has a 47.6% (90% CI: 46.4%-48.8%) win rate for white (4.6K Lichess games). Draw rate is 2.9%.

What is the Colle System: Rhamphorhynchus Variation win rate in Blitz?

In Blitz games, the Colle System: Rhamphorhynchus Variation has a 44.9% (90% CI: 43.7%-46.2%) win rate for white (4.3K Lichess games). Draw rate is 5.6%.

What is the Colle System: Rhamphorhynchus Variation win rate in Rapid?

In Rapid games, the Colle System: Rhamphorhynchus Variation has a 46.4% (90% CI: 43.5%-49.3%) win rate for white (780 Lichess games). Draw rate is 5.4%.

Is the Colle System: Rhamphorhynchus Variation a good opening?

The Colle System: Rhamphorhynchus Variation is slightly favors black with a 46.3% (90% CI: 45.5%-47.2%) 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.