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Analyzer

Pterodactyl Defense: Western, Anhanguera

3.0K games from Lichess · Updated January 2026

Tough Sell
White Expected Score49.2%Range (90% confident): 47.7% – 50.7%Based on 3.0K games
0%49.2%100%
Range (90% confident): 47.7% – 50.7%
Outcome Distribution
47.3%3.7%49.0%
Win
Draw
Loss
4...Qa5+
Pterodactyl Defense: Western, Anhanguera
Analyzen=3.0K
Avg Length35 moves
Sharpness96%
Draw Rate3.7%

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

Snapshot

At all ratings, the Pterodactyl Defense: Western, Anhanguera has a 49.2% expected score for White (we're 90% confident it's between 47.7% and 50.7%), based on 3.0K Lichess games.

White Win% by Rating

Declines with rating: 49% → 47%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 49.3% win rate (34 games)
  • 1000-1199: 39.2% win rate (84 games)
  • 1200-1399: 44.4% win rate (216 games)
  • 1400-1599: 47.5% win rate (520 games)
  • 1600-1799: 48.9% win rate (719 games)
  • 1800-1999: 48.7% win rate (663 games)
  • 2000-2199: 44.2% win rate (482 games)
  • 2200-2499: 49.7% win rate (233 games)
  • 2500+: 46.7% win rate (36 games)

White Win% by Time Control

Best in UltraBullet (60%), worst in Bullet (46%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 60.0% win rate (1 games)
  • Bullet: 45.5% win rate (1,237 games)
  • Blitz: 48.5% win rate (1,437 games)
  • Rapid: 48.4% win rate (301 games)
  • Classical: 60.0% win rate (11 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: 20.6% expected score (7 games)
  • 0-999 rating, Blitz: 63.3% expected score (25 games)
  • 0-999 rating, Rapid: 21.5% expected score (2 games)
  • 1000-1199 rating, Bullet: 38.9% expected score (30 games)
  • 1000-1199 rating, Blitz: 37.4% expected score (50 games)
  • 1000-1199 rating, Rapid: 83.4% expected score (3 games)
  • 1000-1199 rating, Classical: 70.0% expected score (1 games)
  • 1200-1399 rating, UltraBullet: 70.0% expected score (1 games)
  • 1200-1399 rating, Bullet: 43.9% expected score (56 games)
  • 1200-1399 rating, Blitz: 46.5% expected score (112 games)
  • 1200-1399 rating, Rapid: 45.8% expected score (46 games)
  • 1200-1399 rating, Classical: 30.0% expected score (1 games)
  • 1400-1599 rating, Bullet: 44.4% expected score (131 games)
  • 1400-1599 rating, Blitz: 49.7% expected score (303 games)
  • 1400-1599 rating, Rapid: 51.8% expected score (84 games)
  • 1400-1599 rating, Classical: 50.0% expected score (2 games)
  • 1600-1799 rating, Bullet: 44.2% expected score (281 games)
  • 1600-1799 rating, Blitz: 53.7% expected score (340 games)
  • 1600-1799 rating, Rapid: 54.2% expected score (95 games)
  • 1600-1799 rating, Classical: 83.4% expected score (3 games)
  • 1800-1999 rating, Bullet: 51.2% expected score (260 games)
  • 1800-1999 rating, Blitz: 52.3% expected score (356 games)
  • 1800-1999 rating, Rapid: 45.6% expected score (44 games)
  • 1800-1999 rating, Classical: 61.2% expected score (3 games)
  • 2000-2199 rating, Bullet: 45.8% expected score (247 games)
  • 2000-2199 rating, Blitz: 48.6% expected score (208 games)
  • 2000-2199 rating, Rapid: 46.4% expected score (26 games)
  • 2000-2199 rating, Classical: 30.0% expected score (1 games)
  • 2200-2499 rating, Bullet: 49.8% expected score (190 games)
  • 2200-2499 rating, Blitz: 53.5% expected score (42 games)
  • 2200-2499 rating, Rapid: 70.0% expected score (1 games)
  • 2500+ rating, Bullet: 56.9% expected score (35 games)
  • 2500+ rating, Blitz: 30.0% 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, Anhanguera PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

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

The Pterodactyl Defense: Western, Anhanguera has a 47.3% (90% CI: 45.8%-48.8%) win rate for white, based on 3.0K rated games from Lichess.

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

The Pterodactyl Defense: Western, Anhanguera performs best at 1600-1799 Elo with a 48.9% win rate for white (719 games). Win rate tends to decline at higher ratings as opponents know the theory better.

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

Blitz (48.5%) outperforms Bullet (45.5%) by 3.0%. Choose your time control wisely.

How sharp is the Pterodactyl Defense: Western, Anhanguera?

The Pterodactyl Defense: Western, Anhanguera has a sharpness score of 96.3 (very decisive), meaning 96.3% of games end decisively. Average game length is 35 moves.

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

At 1200-1399 Elo, the Pterodactyl Defense: Western, Anhanguera has a 44.4% (90% CI: 38.9%-49.9%) win rate for white, based on 216 Lichess games. Average game length is 30 moves with a 2.5% draw rate.

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

At 1400-1599 Elo, the Pterodactyl Defense: Western, Anhanguera has a 47.5% (90% CI: 43.9%-51.1%) win rate for white, based on 520 Lichess games. Average game length is 33 moves with a 2.4% draw rate.

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

At 1600-1799 Elo, the Pterodactyl Defense: Western, Anhanguera has a 48.9% (90% CI: 45.9%-52.0%) win rate for white, based on 719 Lichess games. Average game length is 35 moves with a 2.6% draw rate.

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

At 1800-1999 Elo, the Pterodactyl Defense: Western, Anhanguera has a 48.7% (90% CI: 45.5%-51.9%) win rate for white, based on 663 Lichess games. Average game length is 36 moves with a 5.5% draw rate.

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

At 2000-2199 Elo, the Pterodactyl Defense: Western, Anhanguera has a 44.2% (90% CI: 40.5%-47.9%) win rate for white, based on 482 Lichess games. Average game length is 38 moves with a 5.5% draw rate.

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

At 2200-2499 Elo, the Pterodactyl Defense: Western, Anhanguera has a 49.7% (90% CI: 44.3%-55.0%) win rate for white, based on 233 Lichess games. Average game length is 39 moves with a 1.9% draw rate.

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

In Bullet games, the Pterodactyl Defense: Western, Anhanguera has a 45.5% (90% CI: 43.2%-47.8%) win rate for white (1.2K Lichess games). Draw rate is 2.7%.

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

In Blitz games, the Pterodactyl Defense: Western, Anhanguera has a 48.5% (90% CI: 46.3%-50.7%) win rate for white (1.4K Lichess games). Draw rate is 4.5%.

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

In Rapid games, the Pterodactyl Defense: Western, Anhanguera has a 48.4% (90% CI: 43.7%-53.2%) win rate for white (301 Lichess games). Draw rate is 4.1%.

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

The Pterodactyl Defense: Western, Anhanguera is slightly favors black with a 47.3% (90% CI: 45.8%-48.8%) win rate across all ratings. It performs best at 1600-1799 Elo. Your results depend on your rating, time control, and how well you know the typical plans.