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Sicilian Defense: Portsmouth Gambit

462K games from Lichess · Updated January 2026

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White Expected Score53.9%Range (90% confident): 53.7% – 54.0%Based on 462K games
0%53.9%100%
Range (90% confident): 53.7% – 54.0%
Outcome Distribution
52.2%3.3%44.5%
Win
Draw
Loss
3.b4
Sicilian Defense: Portsmouth Gambit
Analyzen=462K
Avg Length32 moves
Sharpness97%
Draw Rate3.3%

What is the Sicilian Defense: Portsmouth Gambit expected score for White?

Snapshot

At all ratings, the Sicilian Defense: Portsmouth Gambit has a 53.9% expected score for White (we're 90% confident it's between 53.7% and 54.0%), based on 462K Lichess games.

Extra Analysis

Deep-dive datasets for this opening

Gambit BreakpointWhite

Peak: +12.7% · Breakpoint: 0-999

White Win% by Rating

Improves with rating: 44% → 55%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 44.0% win rate (847 games)
  • 1000-1199: 48.9% win rate (3,266 games)
  • 1200-1399: 49.3% win rate (11,703 games)
  • 1400-1599: 50.3% win rate (29,436 games)
  • 1600-1799: 50.2% win rate (73,262 games)
  • 1800-1999: 52.2% win rate (129,710 games)
  • 2000-2199: 53.6% win rate (135,205 games)
  • 2200-2499: 52.9% win rate (70,209 games)
  • 2500+: 54.7% win rate (7,971 games)

White Win% by Time Control

Best in Bullet (52%), worst in UltraBullet (39%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 39.2% win rate (61 games)
  • Bullet: 52.4% win rate (151,446 games)
  • Blitz: 52.1% win rate (262,606 games)
  • Rapid: 51.7% win rate (45,708 games)
  • Classical: 50.7% win rate (1,788 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: 61.2% expected score (3 games)
  • 0-999 rating, Bullet: 44.7% expected score (450 games)
  • 0-999 rating, Blitz: 45.3% expected score (328 games)
  • 0-999 rating, Rapid: 46.3% expected score (65 games)
  • 0-999 rating, Classical: 30.0% expected score (1 games)
  • 1000-1199 rating, UltraBullet: 16.7% expected score (3 games)
  • 1000-1199 rating, Bullet: 50.6% expected score (1,541 games)
  • 1000-1199 rating, Blitz: 48.8% expected score (1,435 games)
  • 1000-1199 rating, Rapid: 50.9% expected score (285 games)
  • 1000-1199 rating, Classical: 50.0% expected score (2 games)
  • 1200-1399 rating, UltraBullet: 39.5% expected score (8 games)
  • 1200-1399 rating, Bullet: 50.3% expected score (5,574 games)
  • 1200-1399 rating, Blitz: 50.1% expected score (5,075 games)
  • 1200-1399 rating, Rapid: 50.6% expected score (1,032 games)
  • 1200-1399 rating, Classical: 69.4% expected score (14 games)
  • 1400-1599 rating, UltraBullet: 34.9% expected score (15 games)
  • 1400-1599 rating, Bullet: 51.7% expected score (11,692 games)
  • 1400-1599 rating, Blitz: 51.3% expected score (14,553 games)
  • 1400-1599 rating, Rapid: 51.4% expected score (3,043 games)
  • 1400-1599 rating, Classical: 47.8% expected score (133 games)
  • 1600-1799 rating, UltraBullet: 40.9% expected score (15 games)
  • 1600-1799 rating, Bullet: 51.1% expected score (22,587 games)
  • 1600-1799 rating, Blitz: 51.8% expected score (42,515 games)
  • 1600-1799 rating, Rapid: 51.4% expected score (7,667 games)
  • 1600-1799 rating, Classical: 50.9% expected score (478 games)
  • 1800-1999 rating, UltraBullet: 50.0% expected score (16 games)
  • 1800-1999 rating, Bullet: 53.6% expected score (30,784 games)
  • 1800-1999 rating, Blitz: 53.9% expected score (84,381 games)
  • 1800-1999 rating, Rapid: 52.8% expected score (13,776 games)
  • 1800-1999 rating, Classical: 53.1% expected score (753 games)
  • 2000-2199 rating, UltraBullet: 30.0% expected score (1 games)
  • 2000-2199 rating, Bullet: 54.8% expected score (39,327 games)
  • 2000-2199 rating, Blitz: 55.5% expected score (80,135 games)
  • 2000-2199 rating, Rapid: 56.1% expected score (15,391 games)
  • 2000-2199 rating, Classical: 57.0% expected score (351 games)
  • 2200-2499 rating, Bullet: 54.9% expected score (33,344 games)
  • 2200-2499 rating, Blitz: 55.0% expected score (32,427 games)
  • 2200-2499 rating, Rapid: 56.8% expected score (4,382 games)
  • 2200-2499 rating, Classical: 70.9% expected score (56 games)
  • 2500+ rating, Bullet: 56.7% expected score (6,147 games)
  • 2500+ rating, Blitz: 59.6% expected score (1,757 games)
  • 2500+ rating, Rapid: 53.7% expected score (67 games)

Related Openings

Parent
Sicilian Defense
48.5%
Variations (5)
Sicilian Defense: Accelerated Dragon
45.7%
Sicilian Defense: Accelerated Dragon, Exchange Variation
45.8%
Sicilian Defense: Accelerated Dragon, Maróczy Bind
48.8%
Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation
43.7%
Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation
44.6%
Analyze Sicilian Defense: Portsmouth Gambit PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the Sicilian Defense: Portsmouth Gambit win rate?

The Sicilian Defense: Portsmouth Gambit has a 52.2% (90% CI: 52.1%-52.3%) win rate for white, based on 462K rated games from Lichess.

At what rating does the Sicilian Defense: Portsmouth Gambit perform best?

The Sicilian Defense: Portsmouth Gambit performs best at 2500+ Elo with a 54.7% win rate for white (8.0K games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the Sicilian Defense: Portsmouth Gambit better in blitz or rapid?

Bullet (52.4%) outperforms UltraBullet (39.2%) by 13.2%. Choose your time control wisely.

How sharp is the Sicilian Defense: Portsmouth Gambit?

The Sicilian Defense: Portsmouth Gambit has a sharpness score of 96.7 (very decisive), meaning 96.7% of games end decisively. Average game length is 32 moves.

What is the Sicilian Defense: Portsmouth Gambit win rate at 0-999 Elo?

At 0-999 Elo, the Sicilian Defense: Portsmouth Gambit has a 44.0% (90% CI: 41.2%-46.8%) win rate for white, based on 847 Lichess games. Average game length is 22 moves with a 2.1% draw rate.

What is the Sicilian Defense: Portsmouth Gambit win rate at 1000-1199 Elo?

At 1000-1199 Elo, the Sicilian Defense: Portsmouth Gambit has a 48.9% (90% CI: 47.4%-50.3%) win rate for white, based on 3.3K Lichess games. Average game length is 25 moves with a 1.8% draw rate.

What is the Sicilian Defense: Portsmouth Gambit win rate at 1200-1399 Elo?

At 1200-1399 Elo, the Sicilian Defense: Portsmouth Gambit has a 49.3% (90% CI: 48.5%-50.0%) win rate for white, based on 12K Lichess games. Average game length is 27 moves with a 2.0% draw rate.

What is the Sicilian Defense: Portsmouth Gambit win rate at 1400-1599 Elo?

At 1400-1599 Elo, the Sicilian Defense: Portsmouth Gambit has a 50.3% (90% CI: 49.9%-50.8%) win rate for white, based on 29K Lichess games. Average game length is 29 moves with a 2.2% draw rate.

What is the Sicilian Defense: Portsmouth Gambit win rate at 1600-1799 Elo?

At 1600-1799 Elo, the Sicilian Defense: Portsmouth Gambit has a 50.2% (90% CI: 49.9%-50.5%) win rate for white, based on 73K Lichess games. Average game length is 30 moves with a 2.7% draw rate.

What is the Sicilian Defense: Portsmouth Gambit win rate at 1800-1999 Elo?

At 1800-1999 Elo, the Sicilian Defense: Portsmouth Gambit has a 52.2% (90% CI: 51.9%-52.4%) win rate for white, based on 130K Lichess games. Average game length is 32 moves with a 3.1% draw rate.

What is the Sicilian Defense: Portsmouth Gambit win rate at 2000-2199 Elo?

At 2000-2199 Elo, the Sicilian Defense: Portsmouth Gambit has a 53.6% (90% CI: 53.3%-53.8%) win rate for white, based on 135K Lichess games. Average game length is 33 moves with a 3.5% draw rate.

What is the Sicilian Defense: Portsmouth Gambit win rate at 2200-2499 Elo?

At 2200-2499 Elo, the Sicilian Defense: Portsmouth Gambit has a 52.9% (90% CI: 52.6%-53.2%) win rate for white, based on 70K Lichess games. Average game length is 34 moves with a 4.3% draw rate.

What is the Sicilian Defense: Portsmouth Gambit win rate at 2500+ Elo?

At 2500+ Elo, the Sicilian Defense: Portsmouth Gambit has a 54.7% (90% CI: 53.8%-55.6%) win rate for white, based on 8.0K Lichess games. Average game length is 38 moves with a 5.1% draw rate.

What is the Sicilian Defense: Portsmouth Gambit win rate in Bullet?

In Bullet games, the Sicilian Defense: Portsmouth Gambit has a 52.4% (90% CI: 52.2%-52.6%) win rate for white (151K Lichess games). Draw rate is 2.3%.

What is the Sicilian Defense: Portsmouth Gambit win rate in Blitz?

In Blitz games, the Sicilian Defense: Portsmouth Gambit has a 52.1% (90% CI: 52.0%-52.3%) win rate for white (263K Lichess games). Draw rate is 3.6%.

What is the Sicilian Defense: Portsmouth Gambit win rate in Rapid?

In Rapid games, the Sicilian Defense: Portsmouth Gambit has a 51.7% (90% CI: 51.3%-52.1%) win rate for white (46K Lichess games). Draw rate is 4.4%.

What is the Sicilian Defense: Portsmouth Gambit win rate in Classical?

In Classical games, the Sicilian Defense: Portsmouth Gambit has a 50.7% (90% CI: 48.7%-52.6%) win rate for white (1.8K Lichess games). Draw rate is 5.7%.

Is the Sicilian Defense: Portsmouth Gambit a good opening?

The Sicilian Defense: Portsmouth Gambit is statistically favors white with a 52.2% (90% CI: 52.1%-52.3%) 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.