TrueEloPlay what wins.
Analyzer

Pterodactyl Defense: Fianchetto, Rhamphorhynchus

312 games from Lichess · Updated January 2026

Tough Sell
White Expected Score48.9%Range (90% confident): 44.3% – 53.6%Based on 312 games
0%48.9%100%
Range (90% confident): 44.3% – 53.6%
Outcome Distribution
46.4%4.9%48.6%
Win
Draw
Loss
4...Qa5+
Pterodactyl Defense: Fianchetto, Rhamphorhynchus
Analyzen=312
Avg Length38 moves
Sharpness95%
Draw Rate4.9%

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

Snapshot

At all ratings, the Pterodactyl Defense: Fianchetto, Rhamphorhynchus has a 48.9% expected score for White (we're 90% confident it's between 44.3% and 53.6%), based on 312 Lichess games.

White Win% by Rating

Declines with rating: 82% → 49%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 81.8% win rate (4 games)
  • 1000-1199: 5.3% win rate (8 games)
  • 1200-1399: 52.9% win rate (24 games)
  • 1400-1599: 46.7% win rate (21 games)
  • 1600-1799: 36.3% win rate (44 games)
  • 1800-1999: 51.5% win rate (48 games)
  • 2000-2199: 49.6% win rate (62 games)
  • 2200-2499: 42.9% win rate (65 games)
  • 2500+: 49.3% win rate (36 games)

White Win% by Time Control

Best in Blitz (50%), worst in Bullet (40%)

Bullet
Blitz
Rapid

  • Bullet: 39.7% win rate (98 games)
  • Blitz: 49.9% win rate (182 games)
  • Rapid: 46.3% win rate (32 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, Blitz: 86.4% expected score (4 games)
  • 1000-1199 rating, Bullet: 16.7% expected score (3 games)
  • 1000-1199 rating, Blitz: 11.5% expected score (5 games)
  • 1200-1399 rating, Bullet: 26.2% expected score (9 games)
  • 1200-1399 rating, Blitz: 67.4% expected score (10 games)
  • 1200-1399 rating, Rapid: 73.1% expected score (5 games)
  • 1400-1599 rating, Bullet: 30.0% expected score (1 games)
  • 1400-1599 rating, Blitz: 56.5% expected score (14 games)
  • 1400-1599 rating, Rapid: 43.3% expected score (6 games)
  • 1600-1799 rating, Bullet: 45.3% expected score (9 games)
  • 1600-1799 rating, Blitz: 40.5% expected score (30 games)
  • 1600-1799 rating, Rapid: 27.0% expected score (5 games)
  • 1800-1999 rating, Bullet: 59.6% expected score (9 games)
  • 1800-1999 rating, Blitz: 51.6% expected score (30 games)
  • 1800-1999 rating, Rapid: 54.8% expected score (9 games)
  • 2000-2199 rating, Bullet: 55.3% expected score (8 games)
  • 2000-2199 rating, Blitz: 53.0% expected score (48 games)
  • 2000-2199 rating, Rapid: 36.7% expected score (6 games)
  • 2200-2499 rating, Bullet: 41.2% expected score (27 games)
  • 2200-2499 rating, Blitz: 51.3% expected score (37 games)
  • 2200-2499 rating, Rapid: 70.0% expected score (1 games)
  • 2500+ rating, Bullet: 50.0% expected score (32 games)
  • 2500+ rating, Blitz: 68.2% expected score (4 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: Fianchetto, Rhamphorhynchus PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

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

The Pterodactyl Defense: Fianchetto, Rhamphorhynchus has a 46.4% (90% CI: 41.8%-51.1%) win rate for white, based on 312 rated games from Lichess.

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

The Pterodactyl Defense: Fianchetto, Rhamphorhynchus performs best at 2000-2199 Elo with a 49.6% win rate for white (62 games). Win rate tends to decline at higher ratings as opponents know the theory better.

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

Blitz (49.9%) outperforms Bullet (39.7%) by 10.2%. Choose your time control wisely.

How sharp is the Pterodactyl Defense: Fianchetto, Rhamphorhynchus?

The Pterodactyl Defense: Fianchetto, Rhamphorhynchus has a sharpness score of 95.1 (very decisive), meaning 95.1% of games end decisively. Average game length is 38 moves.

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

In Blitz games, the Pterodactyl Defense: Fianchetto, Rhamphorhynchus has a 49.9% (90% CI: 43.8%-55.9%) win rate for white (182 Lichess games). Draw rate is 3.5%.

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

The Pterodactyl Defense: Fianchetto, Rhamphorhynchus is slightly favors black with a 46.4% (90% CI: 41.8%-51.1%) 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.