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Pterodactyl Defense: Eastern, Pteranodon

16K games from Lichess · Updated January 2026

Playable
White Expected Score49.4%Range (90% confident): 48.7% – 50.0%Based on 16K games
0%49.4%100%
Range (90% confident): 48.7% – 50.0%
Outcome Distribution
46.5%5.7%47.8%
Win
Draw
Loss
5...Qa5
Pterodactyl Defense: Eastern, Pteranodon
Analyzen=16K
Avg Length36 moves
Sharpness94%
Draw Rate5.7%

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

Snapshot

At all ratings, the Pterodactyl Defense: Eastern, Pteranodon has a 49.4% expected score for White (we're 90% confident it's between 48.7% and 50.0%), based on 16K Lichess games.

White Win% by Rating

Declines with rating: 54% → 44%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 53.8% win rate (18 games)
  • 1000-1199: 40.1% win rate (77 games)
  • 1200-1399: 51.5% win rate (250 games)
  • 1400-1599: 46.8% win rate (519 games)
  • 1600-1799: 46.5% win rate (929 games)
  • 1800-1999: 46.0% win rate (2,034 games)
  • 2000-2199: 46.2% win rate (3,754 games)
  • 2200-2499: 47.8% win rate (5,802 games)
  • 2500+: 44.2% win rate (2,744 games)

White Win% by Time Control

Best in Classical (66%), worst in Bullet (46%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 54.3% win rate (16 games)
  • Bullet: 45.6% win rate (6,737 games)
  • Blitz: 46.7% win rate (8,574 games)
  • Rapid: 51.7% win rate (775 games)
  • Classical: 66.0% win rate (25 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: 64.3% expected score (9 games)
  • 0-999 rating, Blitz: 50.0% expected score (9 games)
  • 1000-1199 rating, Bullet: 45.9% expected score (35 games)
  • 1000-1199 rating, Blitz: 43.0% expected score (34 games)
  • 1000-1199 rating, Rapid: 20.6% expected score (7 games)
  • 1000-1199 rating, Classical: 30.0% expected score (1 games)
  • 1200-1399 rating, UltraBullet: 70.0% expected score (1 games)
  • 1200-1399 rating, Bullet: 49.2% expected score (122 games)
  • 1200-1399 rating, Blitz: 58.5% expected score (99 games)
  • 1200-1399 rating, Rapid: 38.2% expected score (28 games)
  • 1400-1599 rating, Bullet: 53.3% expected score (182 games)
  • 1400-1599 rating, Blitz: 41.9% expected score (264 games)
  • 1400-1599 rating, Rapid: 61.4% expected score (73 games)
  • 1600-1799 rating, UltraBullet: 38.9% expected score (3 games)
  • 1600-1799 rating, Bullet: 44.8% expected score (275 games)
  • 1600-1799 rating, Blitz: 49.3% expected score (532 games)
  • 1600-1799 rating, Rapid: 51.7% expected score (115 games)
  • 1600-1799 rating, Classical: 68.2% expected score (4 games)
  • 1800-1999 rating, UltraBullet: 54.8% expected score (9 games)
  • 1800-1999 rating, Bullet: 50.5% expected score (579 games)
  • 1800-1999 rating, Blitz: 46.2% expected score (1,247 games)
  • 1800-1999 rating, Rapid: 52.3% expected score (191 games)
  • 1800-1999 rating, Classical: 60.6% expected score (8 games)
  • 2000-2199 rating, UltraBullet: 61.2% expected score (3 games)
  • 2000-2199 rating, Bullet: 48.2% expected score (1,302 games)
  • 2000-2199 rating, Blitz: 48.6% expected score (2,276 games)
  • 2000-2199 rating, Rapid: 54.2% expected score (166 games)
  • 2000-2199 rating, Classical: 79.5% expected score (7 games)
  • 2200-2499 rating, Bullet: 48.8% expected score (2,049 games)
  • 2200-2499 rating, Blitz: 51.6% expected score (3,564 games)
  • 2200-2499 rating, Rapid: 60.3% expected score (184 games)
  • 2200-2499 rating, Classical: 57.7% expected score (5 games)
  • 2500+ rating, Bullet: 46.2% expected score (2,184 games)
  • 2500+ rating, Blitz: 55.6% expected score (549 games)
  • 2500+ rating, Rapid: 66.0% expected score (11 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, Pteranodon PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

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

The Pterodactyl Defense: Eastern, Pteranodon has a 46.5% (90% CI: 45.9%-47.2%) win rate for white, based on 16K rated games from Lichess.

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

The Pterodactyl Defense: Eastern, Pteranodon performs best at 2200-2499 Elo with a 47.8% win rate for white (5.8K games). Win rate tends to decline at higher ratings as opponents know the theory better.

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

Rapid (51.7%) outperforms Bullet (45.6%) by 6.1%. Choose your time control wisely.

How sharp is the Pterodactyl Defense: Eastern, Pteranodon?

The Pterodactyl Defense: Eastern, Pteranodon has a sharpness score of 94.3 (decisive), meaning 94.3% of games end decisively. Average game length is 36 moves.

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

At 1200-1399 Elo, the Pterodactyl Defense: Eastern, Pteranodon has a 51.5% (90% CI: 46.3%-56.7%) win rate for white, based on 250 Lichess games. Average game length is 26 moves with a 0.6% draw rate.

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

At 1400-1599 Elo, the Pterodactyl Defense: Eastern, Pteranodon has a 46.8% (90% CI: 43.2%-50.4%) win rate for white, based on 519 Lichess games. Average game length is 29 moves with a 3.7% draw rate.

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

At 1600-1799 Elo, the Pterodactyl Defense: Eastern, Pteranodon has a 46.5% (90% CI: 43.8%-49.2%) win rate for white, based on 929 Lichess games. Average game length is 32 moves with a 3.6% draw rate.

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

At 1800-1999 Elo, the Pterodactyl Defense: Eastern, Pteranodon has a 46.0% (90% CI: 44.1%-47.8%) win rate for white, based on 2.0K Lichess games. Average game length is 33 moves with a 4.2% draw rate.

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

At 2000-2199 Elo, the Pterodactyl Defense: Eastern, Pteranodon has a 46.2% (90% CI: 44.9%-47.6%) win rate for white, based on 3.8K Lichess games. Average game length is 35 moves with a 5.2% draw rate.

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

At 2200-2499 Elo, the Pterodactyl Defense: Eastern, Pteranodon has a 47.8% (90% CI: 46.7%-48.9%) win rate for white, based on 5.8K Lichess games. Average game length is 37 moves with a 6.2% draw rate.

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

At 2500+ Elo, the Pterodactyl Defense: Eastern, Pteranodon has a 44.2% (90% CI: 42.6%-45.7%) win rate for white, based on 2.7K Lichess games. Average game length is 41 moves with a 8.0% draw rate.

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

In Bullet games, the Pterodactyl Defense: Eastern, Pteranodon has a 45.6% (90% CI: 44.6%-46.6%) win rate for white (6.7K Lichess games). Draw rate is 4.8%.

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

In Blitz games, the Pterodactyl Defense: Eastern, Pteranodon has a 46.7% (90% CI: 45.8%-47.6%) win rate for white (8.6K Lichess games). Draw rate is 6.4%.

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

In Rapid games, the Pterodactyl Defense: Eastern, Pteranodon has a 51.7% (90% CI: 48.8%-54.7%) win rate for white (775 Lichess games). Draw rate is 6.1%.

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

The Pterodactyl Defense: Eastern, Pteranodon is statistically balanced with a 46.5% (90% CI: 45.9%-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.