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Sicilian DefenseClosed, Traditional

B23For BlackAggressive

1. e4 c5 2. Nc3 Nc6

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
50.0%49.9%48.8%46.5%
Band 600, n = 6,055Band 1000, n = 32,213Band 1400, n = 34,291Band 1800, n = 109,350
Blunder rate
72.7%50.8%40.3%53.9%
Band median 44.6%Band median 42.9%Band median 40.0%Band median 36.4%
Tier
CCBC
Black, band 600Black, band 1000Black, band 1400Black, band 1800
Share of games
0.1%0.2%0.3%0.5%
Of band 600 gamesOf band 1000 gamesOf band 1400 gamesOf band 1800 games
Every band, source period 2026-05
BandWhiteDrawBlackBlunderBook exitGamesTier
60045.6%4.4%50.0%72.7%ply 4.06,055C
100046.7%3.4%49.9%50.8%ply 4.032,213C
140047.6%3.5%48.8%40.3%ply 4.034,291B
180049.2%4.4%46.5%53.9%ply 4.0109,350C

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 600Blunder rate 72.7%, band median 44.6%

At 600, the Sicilian Defense: Closed, Traditional scores 50.0% for Black across 6,055 games. That is below average at this level. Games in this line leave known theory around move 2 on average, and 72.7% include an early material blunder (11 games at 600).

1000Your bandC at 1000Blunder rate 50.8%, band median 42.9%

At 1000, the Sicilian Defense: Closed, Traditional scores 49.9% for Black across 32,213 games. That is below average at this level. Games in this line leave known theory around move 2 on average, and 50.8% include an early material blunder (59 games at 1000).

1400Your bandB at 1400Blunder rate 40.3%, band median 40.0%

At 1400, the Sicilian Defense: Closed, Traditional scores 48.8% for Black across 34,291 games. That is close to the average at this level. Games in this line leave known theory around move 2 on average, and 40.3% include an early material blunder (67 games at 1400).

1800Your bandC at 1800Blunder rate 53.9%, band median 36.4%

At 1800, the Sicilian Defense: Closed, Traditional scores 46.5% for Black across 109,350 games. That is below average at this level. Games in this line leave known theory around move 2 on average, and 53.9% include an early material blunder (206 games at 1800).

Questions

Common questions about this page.

At 600, the Sicilian Defense: Closed, Traditional scores 50.0% for Black across 6,055 games. That is below average at this level. Games in this line leave known theory around move 2 on average, and 72.7% include an early material blunder (11 games at 600).

At 1000, the Sicilian Defense: Closed, Traditional scores 49.9% for Black across 32,213 games. That is below average at this level. Games in this line leave known theory around move 2 on average, and 50.8% include an early material blunder (59 games at 1000).

The Sicilian Defense: Closed, Traditional (B23) is a line for Black. The main line runs 1. e4 c5 2. Nc3 Nc6.