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Rat Defense: Petruccioli Attack

20K games from Lichess · Updated January 2026

Playable
White Expected Score50.0%Range (90% confident): 49.5% – 50.6%Based on 20K games
0%50.0%100%
Range (90% confident): 49.5% – 50.6%
Outcome Distribution
48.0%3.9%48.0%
Win
Draw
Loss
2.h4
Rat Defense: Petruccioli Attack
Analyzen=20K
Avg Length33 moves
Sharpness96%
Draw Rate3.9%

What is the Rat Defense: Petruccioli Attack expected score for White?

Snapshot

At all ratings, the Rat Defense: Petruccioli Attack has a 50.0% expected score for White (we're 90% confident it's between 49.5% and 50.6%), based on 20K Lichess games.

White Win% by Rating

Improves with rating: 45% → 51%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 44.8% win rate (2,638 games)
  • 1000-1199: 47.2% win rate (2,250 games)
  • 1200-1399: 48.1% win rate (2,859 games)
  • 1400-1599: 47.2% win rate (3,077 games)
  • 1600-1799: 50.6% win rate (2,816 games)
  • 1800-1999: 49.1% win rate (2,840 games)
  • 2000-2199: 47.8% win rate (1,743 games)
  • 2200-2499: 50.0% win rate (1,160 games)
  • 2500+: 50.8% win rate (230 games)

White Win% by Time Control

Best in Blitz (49%), worst in Classical (43%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 46.0% win rate (178 games)
  • Bullet: 48.6% win rate (5,910 games)
  • Blitz: 48.7% win rate (10,199 games)
  • Rapid: 45.4% win rate (3,190 games)
  • Classical: 42.5% win rate (136 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: 57.7% expected score (5 games)
  • 0-999 rating, Bullet: 47.0% expected score (612 games)
  • 0-999 rating, Blitz: 48.5% expected score (1,338 games)
  • 0-999 rating, Rapid: 47.3% expected score (676 games)
  • 0-999 rating, Classical: 44.2% expected score (7 games)
  • 1000-1199 rating, UltraBullet: 35.2% expected score (12 games)
  • 1000-1199 rating, Bullet: 46.4% expected score (428 games)
  • 1000-1199 rating, Blitz: 50.3% expected score (1,210 games)
  • 1000-1199 rating, Rapid: 49.5% expected score (591 games)
  • 1000-1199 rating, Classical: 69.1% expected score (9 games)
  • 1200-1399 rating, UltraBullet: 34.2% expected score (27 games)
  • 1200-1399 rating, Bullet: 48.5% expected score (698 games)
  • 1200-1399 rating, Blitz: 51.9% expected score (1,465 games)
  • 1200-1399 rating, Rapid: 47.3% expected score (630 games)
  • 1200-1399 rating, Classical: 52.5% expected score (39 games)
  • 1400-1599 rating, UltraBullet: 30.6% expected score (32 games)
  • 1400-1599 rating, Bullet: 48.8% expected score (987 games)
  • 1400-1599 rating, Blitz: 49.8% expected score (1,499 games)
  • 1400-1599 rating, Rapid: 49.1% expected score (512 games)
  • 1400-1599 rating, Classical: 33.5% expected score (47 games)
  • 1600-1799 rating, UltraBullet: 47.3% expected score (17 games)
  • 1600-1799 rating, Bullet: 53.6% expected score (1,014 games)
  • 1600-1799 rating, Blitz: 51.4% expected score (1,453 games)
  • 1600-1799 rating, Rapid: 50.5% expected score (308 games)
  • 1600-1799 rating, Classical: 50.0% expected score (24 games)
  • 1800-1999 rating, UltraBullet: 66.3% expected score (17 games)
  • 1800-1999 rating, Bullet: 49.8% expected score (850 games)
  • 1800-1999 rating, Blitz: 51.9% expected score (1,716 games)
  • 1800-1999 rating, Rapid: 46.6% expected score (248 games)
  • 1800-1999 rating, Classical: 45.3% expected score (9 games)
  • 2000-2199 rating, UltraBullet: 68.4% expected score (23 games)
  • 2000-2199 rating, Bullet: 48.0% expected score (516 games)
  • 2000-2199 rating, Blitz: 50.0% expected score (1,057 games)
  • 2000-2199 rating, Rapid: 51.4% expected score (146 games)
  • 2000-2199 rating, Classical: 30.0% expected score (1 games)
  • 2200-2499 rating, UltraBullet: 54.5% expected score (43 games)
  • 2200-2499 rating, Bullet: 51.6% expected score (617 games)
  • 2200-2499 rating, Blitz: 55.2% expected score (422 games)
  • 2200-2499 rating, Rapid: 39.9% expected score (78 games)
  • 2500+ rating, UltraBullet: 21.5% expected score (2 games)
  • 2500+ rating, Bullet: 57.2% expected score (188 games)
  • 2500+ rating, Blitz: 42.6% expected score (39 games)
  • 2500+ rating, Rapid: 70.0% expected score (1 games)

Related Openings

Variations (5)
Rat Defense: Accelerated Gurgenidze
50.0%
Rat Defense: Antal Defense
48.5%
Rat Defense: Balogh Defense
51.0%
Rat Defense: English Rat
47.8%
Rat Defense: English Rat, Lisbon Gambit
44.5%
Analyze Rat Defense: Petruccioli Attack PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Rat Defense: Petruccioli Attack win rate?

The Rat Defense: Petruccioli Attack has a 48.0% (90% CI: 47.5%-48.6%) win rate for white, based on 20K rated games from Lichess.

At what rating does the Rat Defense: Petruccioli Attack perform best?

The Rat Defense: Petruccioli Attack performs best at 1600-1799 Elo with a 50.6% win rate for white (2.8K games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Rat Defense: Petruccioli Attack better in blitz or rapid?

Blitz (48.7%) outperforms Classical (42.5%) by 6.2%. Choose your time control wisely.

How sharp is the Rat Defense: Petruccioli Attack?

The Rat Defense: Petruccioli Attack has a sharpness score of 96.1 (very decisive), meaning 96.1% of games end decisively. Average game length is 33 moves.

What is the Rat Defense: Petruccioli Attack win rate at 0-999 Elo?

At 0-999 Elo, the Rat Defense: Petruccioli Attack has a 44.8% (90% CI: 43.2%-46.4%) win rate for white, based on 2.6K Lichess games. Average game length is 29 moves with a 6.0% draw rate.

What is the Rat Defense: Petruccioli Attack win rate at 1000-1199 Elo?

At 1000-1199 Elo, the Rat Defense: Petruccioli Attack has a 47.2% (90% CI: 45.5%-48.9%) win rate for white, based on 2.3K Lichess games. Average game length is 31 moves with a 4.2% draw rate.

What is the Rat Defense: Petruccioli Attack win rate at 1200-1399 Elo?

At 1200-1399 Elo, the Rat Defense: Petruccioli Attack has a 48.1% (90% CI: 46.6%-49.7%) win rate for white, based on 2.9K Lichess games. Average game length is 32 moves with a 3.4% draw rate.

What is the Rat Defense: Petruccioli Attack win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Rat Defense: Petruccioli Attack has a 47.2% (90% CI: 45.7%-48.7%) win rate for white, based on 3.1K Lichess games. Average game length is 33 moves with a 3.4% draw rate.

What is the Rat Defense: Petruccioli Attack win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Rat Defense: Petruccioli Attack has a 50.6% (90% CI: 49.1%-52.2%) win rate for white, based on 2.8K Lichess games. Average game length is 34 moves with a 2.9% draw rate.

What is the Rat Defense: Petruccioli Attack win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Rat Defense: Petruccioli Attack has a 49.1% (90% CI: 47.6%-50.7%) win rate for white, based on 2.8K Lichess games. Average game length is 35 moves with a 3.5% draw rate.

What is the Rat Defense: Petruccioli Attack win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Rat Defense: Petruccioli Attack has a 47.8% (90% CI: 45.9%-49.8%) win rate for white, based on 1.7K Lichess games. Average game length is 36 moves with a 3.8% draw rate.

What is the Rat Defense: Petruccioli Attack win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Rat Defense: Petruccioli Attack has a 50.0% (90% CI: 47.6%-52.4%) win rate for white, based on 1.2K Lichess games. Average game length is 37 moves with a 4.5% draw rate.

What is the Rat Defense: Petruccioli Attack win rate at 2500+ Elo?

At 2500+ Elo, the Rat Defense: Petruccioli Attack has a 50.8% (90% CI: 45.4%-56.1%) win rate for white, based on 230 Lichess games. Average game length is 41 moves with a 7.1% draw rate.

What is the Rat Defense: Petruccioli Attack win rate in UltraBullet?

In UltraBullet games, the Rat Defense: Petruccioli Attack has a 46.0% (90% CI: 39.9%-52.1%) win rate for white (178 Lichess games). Draw rate is 3.1%.

What is the Rat Defense: Petruccioli Attack win rate in Bullet?

In Bullet games, the Rat Defense: Petruccioli Attack has a 48.6% (90% CI: 47.6%-49.7%) win rate for white (5.9K Lichess games). Draw rate is 2.4%.

What is the Rat Defense: Petruccioli Attack win rate in Blitz?

In Blitz games, the Rat Defense: Petruccioli Attack has a 48.7% (90% CI: 47.8%-49.5%) win rate for white (10K Lichess games). Draw rate is 4.2%.

What is the Rat Defense: Petruccioli Attack win rate in Rapid?

In Rapid games, the Rat Defense: Petruccioli Attack has a 45.4% (90% CI: 43.9%-46.8%) win rate for white (3.2K Lichess games). Draw rate is 5.8%.

What is the Rat Defense: Petruccioli Attack win rate in Classical?

In Classical games, the Rat Defense: Petruccioli Attack has a 42.5% (90% CI: 35.7%-49.5%) win rate for white (136 Lichess games). Draw rate is 5.5%.

Is the Rat Defense: Petruccioli Attack a good opening?

The Rat Defense: Petruccioli Attack is statistically balanced with a 48.0% (90% CI: 47.5%-48.6%) 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.