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Sicilian Defense

B50For BlackAggressive

1. e4 c5 2. Nf3 d6 3. d4

A line for Black. Every figure below is computed separately for each rating band, and every one carries its own sample size.

Win rate, Black
46.4%47.3%47.8%47.3%
Band 600, n = 2,999Band 1000, n = 32,711Band 1400, n = 48,958Band 1800, n = 194,876
Blunder rate
pending66.7%0.0%50.0%
Band median 44.6%Band median 42.9%Band median 40.0%Band median 36.4%
Tier
CDBC
Black, band 600Black, band 1000Black, band 1400Black, band 1800
Share of games
0.1%0.2%0.5%0.9%
Of band 600 gamesOf band 1000 gamesOf band 1400 gamesOf band 1800 games
Every band, source period 2026-05
BandWhiteDrawBlackBlunderBook exitGamesTier
60049.6%4.0%46.4%--2,999C
100049.2%3.5%47.3%66.7%ply 5.032,711D
140048.2%4.0%47.8%0.0%ply 5.048,958B
180048.2%4.5%47.3%50.0%ply 5.0194,876C

Results by band

What it actually does, band by band.

All four bands are on the page. The one matching your rating is marked. Nothing here is averaged across bands.

600Your bandC at 600

At 600, the Sicilian Defense scores 46.4% for Black across 2,999 games. That is below average at this level.

1000Your bandD at 1000Blunder rate 66.7%, band median 42.9%

At 1000, the Sicilian Defense scores 47.3% for Black across 32,711 games. Most openings score better than this at this level. Games in this line leave known theory around move 3 on average, and 66.7% include an early material blunder (6 games at 1000).

1400Your bandB at 1400Blunder rate 0.0%, band median 40.0%

At 1400, the Sicilian Defense scores 47.8% for Black across 48,958 games. That is close to the average at this level. Games in this line leave known theory around move 3 on average, and 0.0% include an early material blunder (7 games at 1400).

1800Your bandC at 1800Blunder rate 50.0%, band median 36.4%

At 1800, the Sicilian Defense scores 47.3% for Black across 194,876 games. That is below average at this level. Games in this line leave known theory around move 3 on average, and 50.0% include an early material blunder (4 games at 1800).

Variations

Where the line goes next.

The lines that continue the Sicilian Defense, most played first at your band. Switch the band in the header and both the figures and the order follow.

  • CDCBB50

    Sicilian Defense

    1. e4 c5 2. Nf3 d6 3. d4 cxd4

    0.0% of games at 600, n = 1,8740.2% of games at 1000, n = 27,9620.4% of games at 1400, n = 45,5170.9% of games at 1800, n = 189,732

Questions

Common questions about this page.

At 600, the Sicilian Defense scores 46.4% for Black across 2,999 games. That is below average at this level.

At 1000, the Sicilian Defense scores 47.3% for Black across 32,711 games. Most openings score better than this at this level. Games in this line leave known theory around move 3 on average, and 66.7% include an early material blunder (6 games at 1000).

The Sicilian Defense (B50) is a line for Black. The main line runs 1. e4 c5 2. Nf3 d6 3. d4.