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Pterodactyl Defense: Western, Pterodactyl

12K games from Lichess · Updated January 2026

Playable
White Expected Score48.8%Range (90% confident): 48.0% – 49.5%Based on 12K games
0%48.8%100%
Range (90% confident): 48.0% – 49.5%
Outcome Distribution
46.9%3.8%49.3%
Win
Draw
Loss
4...Qa5
Pterodactyl Defense: Western, Pterodactyl
Analyzen=12K
Avg Length35 moves
Sharpness96%
Draw Rate3.8%

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

Snapshot

At all ratings, the Pterodactyl Defense: Western, Pterodactyl has a 48.8% expected score for White (we're 90% confident it's between 48.0% and 49.5%), based on 12K Lichess games.

White Win% by Rating

Improves with rating: 48% → 53%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 47.5% win rate (286 games)
  • 1000-1199: 45.1% win rate (361 games)
  • 1200-1399: 46.4% win rate (659 games)
  • 1400-1599: 45.9% win rate (1,443 games)
  • 1600-1799: 47.3% win rate (2,260 games)
  • 1800-1999: 47.0% win rate (3,008 games)
  • 2000-2199: 47.6% win rate (2,405 games)
  • 2200-2499: 44.4% win rate (1,189 games)
  • 2500+: 53.1% win rate (333 games)

White Win% by Time Control

Best in UltraBullet (64%), worst in Bullet (46%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 63.6% win rate (4 games)
  • Bullet: 45.7% win rate (3,485 games)
  • Blitz: 46.9% win rate (7,105 games)
  • Rapid: 49.7% win rate (1,315 games)
  • Classical: 50.7% win rate (35 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: 43.2% expected score (35 games)
  • 0-999 rating, Blitz: 49.8% expected score (245 games)
  • 0-999 rating, Rapid: 50.0% expected score (6 games)
  • 1000-1199 rating, UltraBullet: 30.0% expected score (1 games)
  • 1000-1199 rating, Bullet: 40.7% expected score (133 games)
  • 1000-1199 rating, Blitz: 49.8% expected score (205 games)
  • 1000-1199 rating, Rapid: 41.5% expected score (22 games)
  • 1200-1399 rating, UltraBullet: 70.0% expected score (1 games)
  • 1200-1399 rating, Bullet: 49.7% expected score (161 games)
  • 1200-1399 rating, Blitz: 47.0% expected score (438 games)
  • 1200-1399 rating, Rapid: 50.8% expected score (59 games)
  • 1400-1599 rating, UltraBullet: 78.6% expected score (2 games)
  • 1400-1599 rating, Bullet: 44.7% expected score (367 games)
  • 1400-1599 rating, Blitz: 48.1% expected score (810 games)
  • 1400-1599 rating, Rapid: 48.7% expected score (260 games)
  • 1400-1599 rating, Classical: 40.9% expected score (4 games)
  • 1600-1799 rating, Bullet: 46.2% expected score (702 games)
  • 1600-1799 rating, Blitz: 48.6% expected score (1,240 games)
  • 1600-1799 rating, Rapid: 55.1% expected score (313 games)
  • 1600-1799 rating, Classical: 42.4% expected score (5 games)
  • 1800-1999 rating, Bullet: 48.3% expected score (555 games)
  • 1800-1999 rating, Blitz: 48.5% expected score (1,995 games)
  • 1800-1999 rating, Rapid: 50.1% expected score (442 games)
  • 1800-1999 rating, Classical: 55.8% expected score (16 games)
  • 2000-2199 rating, Bullet: 51.5% expected score (394 games)
  • 2000-2199 rating, Blitz: 49.3% expected score (1,799 games)
  • 2000-2199 rating, Rapid: 56.6% expected score (204 games)
  • 2000-2199 rating, Classical: 60.6% expected score (8 games)
  • 2200-2499 rating, Bullet: 43.2% expected score (812 games)
  • 2200-2499 rating, Blitz: 54.8% expected score (367 games)
  • 2200-2499 rating, Rapid: 54.8% expected score (9 games)
  • 2200-2499 rating, Classical: 70.0% expected score (1 games)
  • 2500+ rating, Bullet: 56.0% expected score (326 games)
  • 2500+ rating, Blitz: 36.7% expected score (6 games)
  • 2500+ rating, Classical: 70.0% expected score (1 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, Pterodactyl PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

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

The Pterodactyl Defense: Western, Pterodactyl has a 46.9% (90% CI: 46.1%-47.6%) win rate for white, based on 12K rated games from Lichess.

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

The Pterodactyl Defense: Western, Pterodactyl performs best at 2500+ Elo with a 53.1% win rate for white (333 games). Win rate tends to decline at higher ratings as opponents know the theory better.

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

Rapid (49.7%) outperforms Bullet (45.7%) by 4.0%. Choose your time control wisely.

How sharp is the Pterodactyl Defense: Western, Pterodactyl?

The Pterodactyl Defense: Western, Pterodactyl has a sharpness score of 96.2 (very decisive), meaning 96.2% of games end decisively. Average game length is 35 moves.

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

At 0-999 Elo, the Pterodactyl Defense: Western, Pterodactyl has a 47.5% (90% CI: 42.7%-52.3%) win rate for white, based on 286 Lichess games. Average game length is 27 moves with a 3.0% draw rate.

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

At 1000-1199 Elo, the Pterodactyl Defense: Western, Pterodactyl has a 45.1% (90% CI: 40.8%-49.4%) win rate for white, based on 361 Lichess games. Average game length is 27 moves with a 1.2% draw rate.

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

At 1200-1399 Elo, the Pterodactyl Defense: Western, Pterodactyl has a 46.4% (90% CI: 43.2%-49.6%) win rate for white, based on 659 Lichess games. Average game length is 29 moves with a 3.3% draw rate.

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

At 1400-1599 Elo, the Pterodactyl Defense: Western, Pterodactyl has a 45.9% (90% CI: 43.7%-48.0%) win rate for white, based on 1.4K Lichess games. Average game length is 30 moves with a 3.0% draw rate.

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

At 1600-1799 Elo, the Pterodactyl Defense: Western, Pterodactyl has a 47.3% (90% CI: 45.6%-49.0%) win rate for white, based on 2.3K Lichess games. Average game length is 33 moves with a 2.9% draw rate.

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

At 1800-1999 Elo, the Pterodactyl Defense: Western, Pterodactyl has a 47.0% (90% CI: 45.5%-48.5%) win rate for white, based on 3.0K Lichess games. Average game length is 37 moves with a 3.5% draw rate.

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

At 2000-2199 Elo, the Pterodactyl Defense: Western, Pterodactyl has a 47.6% (90% CI: 45.9%-49.3%) win rate for white, based on 2.4K Lichess games. Average game length is 39 moves with a 5.5% draw rate.

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

At 2200-2499 Elo, the Pterodactyl Defense: Western, Pterodactyl has a 44.4% (90% CI: 42.0%-46.8%) win rate for white, based on 1.2K Lichess games. Average game length is 39 moves with a 5.0% draw rate.

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

At 2500+ Elo, the Pterodactyl Defense: Western, Pterodactyl has a 53.1% (90% CI: 48.6%-57.5%) win rate for white, based on 333 Lichess games. Average game length is 41 moves with a 5.2% draw rate.

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

In Bullet games, the Pterodactyl Defense: Western, Pterodactyl has a 45.7% (90% CI: 44.3%-47.1%) win rate for white (3.5K Lichess games). Draw rate is 2.8%.

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

In Blitz games, the Pterodactyl Defense: Western, Pterodactyl has a 46.9% (90% CI: 45.9%-47.9%) win rate for white (7.1K Lichess games). Draw rate is 4.1%.

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

In Rapid games, the Pterodactyl Defense: Western, Pterodactyl has a 49.7% (90% CI: 47.4%-52.0%) win rate for white (1.3K Lichess games). Draw rate is 4.4%.

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

The Pterodactyl Defense: Western, Pterodactyl is slightly favors black with a 46.9% (90% CI: 46.1%-47.6%) 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.