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Sicilian DefenseSmith-Morra Gambit

B21For WhiteAggressive

1. e4 c5 2. d4

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

Win rate, White
47.5%47.8%47.9%49.1%
Band 600, n = 15,485Band 1000, n = 90,636Band 1400, n = 78,312Band 1800, n = 209,515
Blunder rate
24.0%22.9%20.4%18.9%
Band median 44.6%Band median 42.9%Band median 40.0%Band median 36.4%
Tier
BBBA
White, band 600White, band 1000White, band 1400White, band 1800
Share of games
0.4%0.6%0.7%1.0%
Of band 600 gamesOf band 1000 gamesOf band 1400 gamesOf band 1800 games
Every band, source period 2026-05
BandWhiteDrawBlackBlunderBook exitGamesTier
60047.5%3.6%48.9%24.0%ply 3.615,485B
100047.8%3.3%48.9%22.9%ply 3.790,636B
140047.9%3.2%48.9%20.4%ply 3.778,312B
180049.1%3.9%47.0%18.9%ply 3.7209,515A

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 bandB at 600Blunder rate 24.0%, band median 44.6%

At 600, the Sicilian Defense: Smith-Morra Gambit scores 47.5% for White across 15,485 games. That is close to the average at this level. Games in this line leave known theory around move 2 on average, and 24.0% include an early material blunder (25 games at 600).

1000Your bandB at 1000Blunder rate 22.9%, band median 42.9%

At 1000, the Sicilian Defense: Smith-Morra Gambit scores 47.8% for White across 90,636 games. That is close to the average at this level. Games in this line leave known theory around move 2 on average, and 22.9% include an early material blunder (170 games at 1000).

1400Your bandB at 1400Blunder rate 20.4%, band median 40.0%

At 1400, the Sicilian Defense: Smith-Morra Gambit scores 47.9% for White across 78,312 games. That is close to the average at this level. Games in this line leave known theory around move 2 on average, and 20.4% include an early material blunder (108 games at 1400).

1800Your bandA at 1800Blunder rate 18.9%, band median 36.4%

At 1800, the Sicilian Defense: Smith-Morra Gambit scores 49.1% for White across 209,515 games. That is comfortably above average at this level. Games in this line leave known theory around move 2 on average, and 18.9% include an early material blunder (185 games at 1800).

Variations

Where the line goes next.

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

  • DAAAB21

    Sicilian Defense: Smith-Morra Gambit

    1. e4 c5 2. d4 cxd4 3. c3

    0.0% of games at 600, n = 6270.1% of games at 1000, n = 12,4270.2% of games at 1400, n = 23,2100.5% of games at 1800, n = 104,990

Questions

Common questions about this page.

At 600, the Sicilian Defense: Smith-Morra Gambit scores 47.5% for White across 15,485 games. That is close to the average at this level. Games in this line leave known theory around move 2 on average, and 24.0% include an early material blunder (25 games at 600).

At 1000, the Sicilian Defense: Smith-Morra Gambit scores 47.8% for White across 90,636 games. That is close to the average at this level. Games in this line leave known theory around move 2 on average, and 22.9% include an early material blunder (170 games at 1000).

The Sicilian Defense: Smith-Morra Gambit (B21) is a line for White. The main line runs 1. e4 c5 2. d4.