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Sicilian DefenseFrench Variation, Open

B40For BlackAggressive

1. e4 c5 2. Nf3 e6 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
50.4%49.6%49.6%49.3%
Band 600, n = 1,013Band 1000, n = 17,656Band 1400, n = 31,363Band 1800, n = 124,847
Blunder rate
50.0%50.0%63.6%40.6%
Band median 44.6%Band median 42.9%Band median 40.0%Band median 36.4%
Tier
CCCB
Black, band 600Black, band 1000Black, band 1400Black, band 1800
Share of games
0.0%0.1%0.3%0.6%
Of band 600 gamesOf band 1000 gamesOf band 1400 gamesOf band 1800 games
Every band, source period 2026-05
BandWhiteDrawBlackBlunderBook exitGamesTier
60045.6%4.1%50.4%50.0%ply 6.51,013C
100047.3%3.2%49.6%50.0%ply 6.717,656C
140047.1%3.3%49.6%63.6%ply 6.531,363C
180046.3%4.3%49.3%40.6%ply 6.8124,847B

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 50.0%, band median 44.6%

At 600, the Sicilian Defense: French Variation, Open scores 50.4% for Black across 1,013 games. That is below average at this level. Games in this line leave known theory around move 4 on average, and 50.0% include an early material blunder (2 games at 600).

1000Your bandC at 1000Blunder rate 50.0%, band median 42.9%

At 1000, the Sicilian Defense: French Variation, Open scores 49.6% for Black across 17,656 games. That is below average at this level. Games in this line leave known theory around move 4 on average, and 50.0% include an early material blunder (10 games at 1000).

1400Your bandC at 1400Blunder rate 63.6%, band median 40.0%

At 1400, the Sicilian Defense: French Variation, Open scores 49.6% for Black across 31,363 games. That is below average at this level. Games in this line leave known theory around move 4 on average, and 63.6% include an early material blunder (11 games at 1400).

1800Your bandB at 1800Blunder rate 40.6%, band median 36.4%

At 1800, the Sicilian Defense: French Variation, Open scores 49.3% for Black across 124,847 games. That is close to the average at this level. Games in this line leave known theory around move 4 on average, and 40.6% include an early material blunder (69 games at 1800).

Variations

Where the line goes next.

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

  • DDDDB44

    Sicilian Defense: Taimanov Variation

    1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6

    0.0% of games at 600, n = 3390.1% of games at 1000, n = 9,3160.2% of games at 1400, n = 17,7850.3% of games at 1800, n = 68,141

  • -AABB41

    Sicilian Defense: Kan Variation

    1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6

    0.0% of games at 600, n = 1240.0% of games at 1000, n = 2,3600.1% of games at 1400, n = 6,4350.2% of games at 1800, n = 38,728

Questions

Common questions about this page.

At 600, the Sicilian Defense: French Variation, Open scores 50.4% for Black across 1,013 games. That is below average at this level. Games in this line leave known theory around move 4 on average, and 50.0% include an early material blunder (2 games at 600).

At 1000, the Sicilian Defense: French Variation, Open scores 49.6% for Black across 17,656 games. That is below average at this level. Games in this line leave known theory around move 4 on average, and 50.0% include an early material blunder (10 games at 1000).

The Sicilian Defense: French Variation, Open (B40) is a line for Black. The main line runs 1. e4 c5 2. Nf3 e6 3. d4 cxd4.