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Pterodactyl Defense: Eastern, Rhamphorhynchus

57K games from Lichess · Updated January 2026

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White Expected Score53.2%Range (90% confident): 52.8% – 53.5%Based on 57K games
0%53.2%100%
Range (90% confident): 52.8% – 53.5%
Outcome Distribution
51.1%4.2%44.8%
Win
Draw
Loss
4.dxc5
Pterodactyl Defense: Eastern, Rhamphorhynchus
Analyzen=57K
Avg Length34 moves
Sharpness96%
Draw Rate4.2%

What is the Pterodactyl Defense: Eastern, Rhamphorhynchus expected score for White?

Snapshot

At all ratings, the Pterodactyl Defense: Eastern, Rhamphorhynchus has a 53.2% expected score for White (we're 90% confident it's between 52.8% and 53.5%), based on 57K Lichess games.

White Win% by Rating

Declines with rating: 52% → 50%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 52.4% win rate (339 games)
  • 1000-1199: 51.6% win rate (943 games)
  • 1200-1399: 50.5% win rate (1,834 games)
  • 1400-1599: 50.4% win rate (3,293 games)
  • 1600-1799: 50.4% win rate (5,128 games)
  • 1800-1999: 50.5% win rate (7,909 games)
  • 2000-2199: 52.5% win rate (10,457 games)
  • 2200-2499: 51.5% win rate (16,841 games)
  • 2500+: 49.8% win rate (10,333 games)

White Win% by Time Control

Best in Classical (54%), worst in Bullet (50%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 52.1% win rate (249 games)
  • Bullet: 50.1% win rate (35,863 games)
  • Blitz: 52.5% win rate (18,675 games)
  • Rapid: 53.9% win rate (2,213 games)
  • Classical: 54.1% win rate (77 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: 50.8% expected score (137 games)
  • 0-999 rating, Blitz: 56.1% expected score (154 games)
  • 0-999 rating, Rapid: 50.0% expected score (48 games)
  • 1000-1199 rating, UltraBullet: 73.1% expected score (5 games)
  • 1000-1199 rating, Bullet: 52.7% expected score (454 games)
  • 1000-1199 rating, Blitz: 52.9% expected score (347 games)
  • 1000-1199 rating, Rapid: 52.9% expected score (137 games)
  • 1200-1399 rating, UltraBullet: 50.0% expected score (14 games)
  • 1200-1399 rating, Bullet: 47.2% expected score (896 games)
  • 1200-1399 rating, Blitz: 55.6% expected score (719 games)
  • 1200-1399 rating, Rapid: 58.7% expected score (199 games)
  • 1200-1399 rating, Classical: 63.4% expected score (6 games)
  • 1400-1599 rating, UltraBullet: 31.0% expected score (38 games)
  • 1400-1599 rating, Bullet: 49.6% expected score (1,593 games)
  • 1400-1599 rating, Blitz: 55.1% expected score (1,315 games)
  • 1400-1599 rating, Rapid: 52.3% expected score (337 games)
  • 1400-1599 rating, Classical: 32.6% expected score (10 games)
  • 1600-1799 rating, UltraBullet: 56.2% expected score (63 games)
  • 1600-1799 rating, Bullet: 49.6% expected score (2,163 games)
  • 1600-1799 rating, Blitz: 53.4% expected score (2,431 games)
  • 1600-1799 rating, Rapid: 57.2% expected score (453 games)
  • 1600-1799 rating, Classical: 50.0% expected score (18 games)
  • 1800-1999 rating, UltraBullet: 57.7% expected score (31 games)
  • 1800-1999 rating, Bullet: 51.6% expected score (3,684 games)
  • 1800-1999 rating, Blitz: 53.4% expected score (3,675 games)
  • 1800-1999 rating, Rapid: 51.0% expected score (496 games)
  • 1800-1999 rating, Classical: 60.2% expected score (23 games)
  • 2000-2199 rating, UltraBullet: 50.0% expected score (19 games)
  • 2000-2199 rating, Bullet: 52.9% expected score (5,942 games)
  • 2000-2199 rating, Blitz: 55.7% expected score (4,140 games)
  • 2000-2199 rating, Rapid: 62.5% expected score (342 games)
  • 2000-2199 rating, Classical: 62.9% expected score (14 games)
  • 2200-2499 rating, UltraBullet: 57.7% expected score (44 games)
  • 2200-2499 rating, Bullet: 52.9% expected score (11,450 games)
  • 2200-2499 rating, Blitz: 55.4% expected score (5,147 games)
  • 2200-2499 rating, Rapid: 61.5% expected score (194 games)
  • 2200-2499 rating, Classical: 76.7% expected score (6 games)
  • 2500+ rating, UltraBullet: 62.4% expected score (35 games)
  • 2500+ rating, Bullet: 51.9% expected score (9,544 games)
  • 2500+ rating, Blitz: 61.6% expected score (747 games)
  • 2500+ rating, Rapid: 61.8% expected score (7 games)

Related Openings

Parent
Pterodactyl Defense
44.0%
Variations (5)
Pterodactyl Defense: Austrian, Austriadactylus Western
41.1%
Pterodactyl Defense: Austrian, Grand Prix Pterodactyl
53.8%
Pterodactyl Defense: Austrian, Pteranodon
41.2%
Pterodactyl Defense: Central, Anhanguera
38.0%
Pterodactyl Defense: Central, Benoni Beefeater Pterodactyl
48.8%
Analyze Pterodactyl Defense: Eastern, Rhamphorhynchus PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Pterodactyl Defense: Eastern, Rhamphorhynchus win rate?

The Pterodactyl Defense: Eastern, Rhamphorhynchus has a 51.1% (90% CI: 50.7%-51.4%) win rate for white, based on 57K rated games from Lichess.

At what rating does the Pterodactyl Defense: Eastern, Rhamphorhynchus perform best?

The Pterodactyl Defense: Eastern, Rhamphorhynchus performs best at 2000-2199 Elo with a 52.5% win rate for white (10K games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Pterodactyl Defense: Eastern, Rhamphorhynchus better in blitz or rapid?

Rapid (53.9%) outperforms Classical (54.1%) by -0.2%. Choose your time control wisely.

How sharp is the Pterodactyl Defense: Eastern, Rhamphorhynchus?

The Pterodactyl Defense: Eastern, Rhamphorhynchus has a sharpness score of 95.8 (very decisive), meaning 95.8% of games end decisively. Average game length is 34 moves.

What is the Pterodactyl Defense: Eastern, Rhamphorhynchus win rate at 0-999 Elo?

At 0-999 Elo, the Pterodactyl Defense: Eastern, Rhamphorhynchus has a 52.4% (90% CI: 48.0%-56.9%) win rate for white, based on 339 Lichess games. Average game length is 25 moves with a 1.3% draw rate.

What is the Pterodactyl Defense: Eastern, Rhamphorhynchus win rate at 1000-1199 Elo?

At 1000-1199 Elo, the Pterodactyl Defense: Eastern, Rhamphorhynchus has a 51.6% (90% CI: 48.9%-54.3%) win rate for white, based on 943 Lichess games. Average game length is 26 moves with a 2.7% draw rate.

What is the Pterodactyl Defense: Eastern, Rhamphorhynchus win rate at 1200-1399 Elo?

At 1200-1399 Elo, the Pterodactyl Defense: Eastern, Rhamphorhynchus has a 50.5% (90% CI: 48.6%-52.4%) win rate for white, based on 1.8K Lichess games. Average game length is 29 moves with a 2.8% draw rate.

What is the Pterodactyl Defense: Eastern, Rhamphorhynchus win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Pterodactyl Defense: Eastern, Rhamphorhynchus has a 50.4% (90% CI: 48.9%-51.8%) win rate for white, based on 3.3K Lichess games. Average game length is 30 moves with a 2.8% draw rate.

What is the Pterodactyl Defense: Eastern, Rhamphorhynchus win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Pterodactyl Defense: Eastern, Rhamphorhynchus has a 50.4% (90% CI: 49.3%-51.6%) win rate for white, based on 5.1K Lichess games. Average game length is 32 moves with a 3.3% draw rate.

What is the Pterodactyl Defense: Eastern, Rhamphorhynchus win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Pterodactyl Defense: Eastern, Rhamphorhynchus has a 50.5% (90% CI: 49.6%-51.5%) win rate for white, based on 7.9K Lichess games. Average game length is 33 moves with a 3.7% draw rate.

What is the Pterodactyl Defense: Eastern, Rhamphorhynchus win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Pterodactyl Defense: Eastern, Rhamphorhynchus has a 52.5% (90% CI: 51.7%-53.3%) win rate for white, based on 10K Lichess games. Average game length is 34 moves with a 3.7% draw rate.

What is the Pterodactyl Defense: Eastern, Rhamphorhynchus win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Pterodactyl Defense: Eastern, Rhamphorhynchus has a 51.5% (90% CI: 50.9%-52.1%) win rate for white, based on 17K Lichess games. Average game length is 36 moves with a 4.5% draw rate.

What is the Pterodactyl Defense: Eastern, Rhamphorhynchus win rate at 2500+ Elo?

At 2500+ Elo, the Pterodactyl Defense: Eastern, Rhamphorhynchus has a 49.8% (90% CI: 49.0%-50.6%) win rate for white, based on 10K Lichess games. Average game length is 39 moves with a 5.7% draw rate.

What is the Pterodactyl Defense: Eastern, Rhamphorhynchus win rate in UltraBullet?

In UltraBullet games, the Pterodactyl Defense: Eastern, Rhamphorhynchus has a 52.1% (90% CI: 46.9%-57.3%) win rate for white (249 Lichess games). Draw rate is 2.6%.

What is the Pterodactyl Defense: Eastern, Rhamphorhynchus win rate in Bullet?

In Bullet games, the Pterodactyl Defense: Eastern, Rhamphorhynchus has a 50.1% (90% CI: 49.7%-50.6%) win rate for white (36K Lichess games). Draw rate is 3.8%.

What is the Pterodactyl Defense: Eastern, Rhamphorhynchus win rate in Blitz?

In Blitz games, the Pterodactyl Defense: Eastern, Rhamphorhynchus has a 52.5% (90% CI: 51.9%-53.1%) win rate for white (19K Lichess games). Draw rate is 4.9%.

What is the Pterodactyl Defense: Eastern, Rhamphorhynchus win rate in Rapid?

In Rapid games, the Pterodactyl Defense: Eastern, Rhamphorhynchus has a 53.9% (90% CI: 52.2%-55.6%) win rate for white (2.2K Lichess games). Draw rate is 4.2%.

Is the Pterodactyl Defense: Eastern, Rhamphorhynchus a good opening?

The Pterodactyl Defense: Eastern, Rhamphorhynchus is statistically favors white with a 51.1% (90% CI: 50.7%-51.4%) 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.