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Pterodactyl Defense: Western, Rhamphorhynchus

119K games from Lichess · Updated January 2026

Playable
White Expected Score50.0%Range (90% confident): 49.8% – 50.3%Based on 119K games
0%50.0%100%
Range (90% confident): 49.8% – 50.3%
Outcome Distribution
48.0%3.9%48.1%
Win
Draw
Loss
4...Qa5+
Pterodactyl Defense: Western, Rhamphorhynchus
Analyzen=119K
Avg Length36 moves
Sharpness96%
Draw Rate3.9%

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

Snapshot

At all ratings, the Pterodactyl Defense: Western, Rhamphorhynchus has a 50.0% expected score for White (we're 90% confident it's between 49.8% and 50.3%), based on 119K Lichess games.

White Win% by Rating

Improves with rating: 41% → 52%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 41.4% win rate (1,131 games)
  • 1000-1199: 45.9% win rate (3,518 games)
  • 1200-1399: 47.3% win rate (8,668 games)
  • 1400-1599: 47.5% win rate (16,808 games)
  • 1600-1799: 47.4% win rate (25,581 games)
  • 1800-1999: 47.9% win rate (27,372 games)
  • 2000-2199: 48.3% win rate (17,082 games)
  • 2200-2499: 49.9% win rate (13,039 games)
  • 2500+: 52.1% win rate (5,741 games)

White Win% by Time Control

Best in Rapid (50%), worst in UltraBullet (31%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 31.3% win rate (32 games)
  • Bullet: 48.1% win rate (45,507 games)
  • Blitz: 47.6% win rate (58,915 games)
  • Rapid: 49.7% win rate (13,802 games)
  • Classical: 49.4% win rate (684 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, UltraBullet: 50.0% expected score (2 games)
  • 0-999 rating, Bullet: 34.7% expected score (482 games)
  • 0-999 rating, Blitz: 48.3% expected score (567 games)
  • 0-999 rating, Rapid: 52.5% expected score (79 games)
  • 0-999 rating, Classical: 30.0% expected score (1 games)
  • 1000-1199 rating, UltraBullet: 13.7% expected score (4 games)
  • 1000-1199 rating, Bullet: 47.6% expected score (1,589 games)
  • 1000-1199 rating, Blitz: 46.8% expected score (1,545 games)
  • 1000-1199 rating, Rapid: 47.6% expected score (376 games)
  • 1000-1199 rating, Classical: 31.9% expected score (4 games)
  • 1200-1399 rating, UltraBullet: 29.0% expected score (8 games)
  • 1200-1399 rating, Bullet: 47.9% expected score (3,063 games)
  • 1200-1399 rating, Blitz: 48.9% expected score (4,442 games)
  • 1200-1399 rating, Rapid: 49.3% expected score (1,140 games)
  • 1200-1399 rating, Classical: 59.1% expected score (15 games)
  • 1400-1599 rating, UltraBullet: 27.0% expected score (5 games)
  • 1400-1599 rating, Bullet: 47.1% expected score (5,132 games)
  • 1400-1599 rating, Blitz: 49.4% expected score (9,005 games)
  • 1400-1599 rating, Rapid: 51.2% expected score (2,576 games)
  • 1400-1599 rating, Classical: 46.8% expected score (90 games)
  • 1600-1799 rating, UltraBullet: 55.9% expected score (7 games)
  • 1600-1799 rating, Bullet: 47.0% expected score (7,326 games)
  • 1600-1799 rating, Blitz: 49.6% expected score (13,936 games)
  • 1600-1799 rating, Rapid: 52.2% expected score (4,083 games)
  • 1600-1799 rating, Classical: 45.5% expected score (229 games)
  • 1800-1999 rating, UltraBullet: 36.7% expected score (6 games)
  • 1800-1999 rating, Bullet: 49.3% expected score (8,526 games)
  • 1800-1999 rating, Blitz: 49.3% expected score (14,974 games)
  • 1800-1999 rating, Rapid: 52.8% expected score (3,618 games)
  • 1800-1999 rating, Classical: 58.6% expected score (248 games)
  • 2000-2199 rating, Bullet: 50.0% expected score (7,181 games)
  • 2000-2199 rating, Blitz: 50.4% expected score (8,361 games)
  • 2000-2199 rating, Rapid: 52.7% expected score (1,461 games)
  • 2000-2199 rating, Classical: 56.3% expected score (79 games)
  • 2200-2499 rating, Bullet: 51.6% expected score (7,588 games)
  • 2200-2499 rating, Blitz: 53.6% expected score (4,988 games)
  • 2200-2499 rating, Rapid: 56.5% expected score (445 games)
  • 2200-2499 rating, Classical: 73.1% expected score (18 games)
  • 2500+ rating, Bullet: 56.0% expected score (4,620 games)
  • 2500+ rating, Blitz: 53.5% expected score (1,097 games)
  • 2500+ rating, Rapid: 75.5% expected score (24 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: Western, Rhamphorhynchus PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

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

The Pterodactyl Defense: Western, Rhamphorhynchus has a 48.0% (90% CI: 47.8%-48.3%) win rate for white, based on 119K rated games from Lichess.

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

The Pterodactyl Defense: Western, Rhamphorhynchus performs best at 2500+ Elo with a 52.1% win rate for white (5.7K games). Win rate tends to decline at higher ratings as opponents know the theory better.

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

Rapid (49.7%) outperforms Classical (49.4%) by 0.3%. Choose your time control wisely.

How sharp is the Pterodactyl Defense: Western, Rhamphorhynchus?

The Pterodactyl Defense: Western, Rhamphorhynchus has a sharpness score of 96.1 (very decisive), meaning 96.1% of games end decisively. Average game length is 36 moves.

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

At 0-999 Elo, the Pterodactyl Defense: Western, Rhamphorhynchus has a 41.4% (90% CI: 39.0%-43.8%) win rate for white, based on 1.1K Lichess games. Average game length is 25 moves with a 2.7% draw rate.

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

At 1000-1199 Elo, the Pterodactyl Defense: Western, Rhamphorhynchus has a 45.9% (90% CI: 44.5%-47.3%) win rate for white, based on 3.5K Lichess games. Average game length is 28 moves with a 2.5% draw rate.

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

At 1200-1399 Elo, the Pterodactyl Defense: Western, Rhamphorhynchus has a 47.3% (90% CI: 46.4%-48.2%) win rate for white, based on 8.7K Lichess games. Average game length is 30 moves with a 2.5% draw rate.

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

At 1400-1599 Elo, the Pterodactyl Defense: Western, Rhamphorhynchus has a 47.5% (90% CI: 46.9%-48.1%) win rate for white, based on 17K Lichess games. Average game length is 33 moves with a 2.8% draw rate.

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

At 1600-1799 Elo, the Pterodactyl Defense: Western, Rhamphorhynchus has a 47.4% (90% CI: 46.9%-47.9%) win rate for white, based on 26K Lichess games. Average game length is 35 moves with a 3.6% draw rate.

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

At 1800-1999 Elo, the Pterodactyl Defense: Western, Rhamphorhynchus has a 47.9% (90% CI: 47.4%-48.4%) win rate for white, based on 27K Lichess games. Average game length is 37 moves with a 3.9% draw rate.

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

At 2000-2199 Elo, the Pterodactyl Defense: Western, Rhamphorhynchus has a 48.3% (90% CI: 47.6%-48.9%) win rate for white, based on 17K Lichess games. Average game length is 38 moves with a 4.4% draw rate.

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

At 2200-2499 Elo, the Pterodactyl Defense: Western, Rhamphorhynchus has a 49.9% (90% CI: 49.2%-50.6%) win rate for white, based on 13K Lichess games. Average game length is 39 moves with a 5.3% draw rate.

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

At 2500+ Elo, the Pterodactyl Defense: Western, Rhamphorhynchus has a 52.1% (90% CI: 51.0%-53.2%) win rate for white, based on 5.7K Lichess games. Average game length is 41 moves with a 7.0% draw rate.

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

In Bullet games, the Pterodactyl Defense: Western, Rhamphorhynchus has a 48.1% (90% CI: 47.7%-48.4%) win rate for white (46K Lichess games). Draw rate is 2.9%.

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

In Blitz games, the Pterodactyl Defense: Western, Rhamphorhynchus has a 47.6% (90% CI: 47.3%-48.0%) win rate for white (59K Lichess games). Draw rate is 4.4%.

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

In Rapid games, the Pterodactyl Defense: Western, Rhamphorhynchus has a 49.7% (90% CI: 49.0%-50.4%) win rate for white (14K Lichess games). Draw rate is 4.6%.

What is the Pterodactyl Defense: Western, Rhamphorhynchus win rate in Classical?

In Classical games, the Pterodactyl Defense: Western, Rhamphorhynchus has a 49.4% (90% CI: 46.2%-52.5%) win rate for white (684 Lichess games). Draw rate is 6.3%.

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

The Pterodactyl Defense: Western, Rhamphorhynchus is statistically balanced with a 48.0% (90% CI: 47.8%-48.3%) win rate across all ratings. It performs best at 2500+ Elo. Your results depend on your rating, time control, and how well you know the typical plans.