6 / 6
  1. 1.
  2. 2.
  3. 3.

Click a move, or focus the board and use the arrow keys.

Sicilian Defense

B50For BlackAggressive

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

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
48.1%48.4%48.5%47.5%
Band 600, n = 1,874Band 1000, n = 27,962Band 1400, n = 45,517Band 1800, n = 189,732
Blunder rate
pending68.8%53.1%37.7%
Band median 44.6%Band median 42.9%Band median 40.0%Band median 36.4%
Tier
CDCB
Black, band 600Black, band 1000Black, band 1400Black, band 1800
Share of games
0.0%0.2%0.4%0.9%
Of band 600 gamesOf band 1000 gamesOf band 1400 gamesOf band 1800 games
Every band, source period 2026-05
BandWhiteDrawBlackBlunderBook exitGamesTier
60048.2%3.7%48.1%--1,874C
100048.2%3.4%48.4%68.8%ply 6.827,962D
140047.6%3.9%48.5%53.1%ply 6.845,517C
180048.0%4.5%47.5%37.7%ply 6.8189,732B

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 48.1% for Black across 1,874 games. That is below average at this level.

1000Your bandD at 1000Blunder rate 68.8%, band median 42.9%

At 1000, the Sicilian Defense scores 48.4% for Black across 27,962 games. Most openings score better than this at this level. Games in this line leave known theory around move 4 on average, and 68.8% include an early material blunder (32 games at 1000).

1400Your bandC at 1400Blunder rate 53.1%, band median 40.0%

At 1400, the Sicilian Defense scores 48.5% for Black across 45,517 games. That is below average at this level. Games in this line leave known theory around move 4 on average, and 53.1% include an early material blunder (64 games at 1400).

1800Your bandB at 1800Blunder rate 37.7%, band median 36.4%

At 1800, the Sicilian Defense scores 47.5% for Black across 189,732 games. That is close to the average at this level. Games in this line leave known theory around move 4 on average, and 37.7% include an early material blunder (146 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.

Questions

Common questions about this page.

At 600, the Sicilian Defense scores 48.1% for Black across 1,874 games. That is below average at this level.

At 1000, the Sicilian Defense scores 48.4% for Black across 27,962 games. Most openings score better than this at this level. Games in this line leave known theory around move 4 on average, and 68.8% include an early material blunder (32 games at 1000).

The Sicilian Defense (B50) is a line for Black. The main line runs 1. e4 c5 2. Nf3 d6 3. d4 cxd4.