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Sicilian DefenseSmith-Morra Gambit

B21For WhiteAggressive

1. e4 c5 2. d4 cxd4 3. c3

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
47.7%51.3%50.9%50.5%
Band 600, n = 627Band 1000, n = 12,427Band 1400, n = 23,210Band 1800, n = 104,990
Blunder rate
pending11.1%12.5%9.5%
Band median 44.6%Band median 42.9%Band median 40.0%Band median 36.4%
Tier
DAAA
White, band 600White, band 1000White, band 1400White, band 1800
Share of games
0.0%0.1%0.2%0.5%
Of band 600 gamesOf band 1000 gamesOf band 1400 gamesOf band 1800 games
Every band, source period 2026-05
BandWhiteDrawBlackBlunderBook exitGamesTier
60047.7%3.2%49.1%--627D
100051.3%2.6%46.1%11.1%ply 5.012,427A
140050.9%2.7%46.3%12.5%ply 5.023,210A
180050.5%3.8%45.7%9.5%ply 5.0104,990A

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 bandD at 600

At 600, the Sicilian Defense: Smith-Morra Gambit scores 47.7% for White across 627 games. Most openings score better than this at this level.

1000Your bandA at 1000Blunder rate 11.1%, band median 42.9%

At 1000, the Sicilian Defense: Smith-Morra Gambit scores 51.3% for White across 12,427 games. That is comfortably above average at this level. Games in this line leave known theory around move 3 on average, and 11.1% include an early material blunder (9 games at 1000).

1400Your bandA at 1400Blunder rate 12.5%, band median 40.0%

At 1400, the Sicilian Defense: Smith-Morra Gambit scores 50.9% for White across 23,210 games. That is comfortably above average at this level. Games in this line leave known theory around move 3 on average, and 12.5% include an early material blunder (8 games at 1400).

1800Your bandA at 1800Blunder rate 9.5%, band median 36.4%

At 1800, the Sicilian Defense: Smith-Morra Gambit scores 50.5% for White across 104,990 games. That is comfortably above average at this level. Games in this line leave known theory around move 3 on average, and 9.5% include an early material blunder (63 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.

Questions

Common questions about this page.

At 600, the Sicilian Defense: Smith-Morra Gambit scores 47.7% for White across 627 games. Most openings score better than this at this level.

At 1000, the Sicilian Defense: Smith-Morra Gambit scores 51.3% for White across 12,427 games. That is comfortably above average at this level. Games in this line leave known theory around move 3 on average, and 11.1% include an early material blunder (9 games at 1000).

The Sicilian Defense: Smith-Morra Gambit (B21) is a line for White. The main line runs 1. e4 c5 2. d4 cxd4 3. c3.