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Sicilian DefenseHyperaccelerated Dragon

B27For BlackAggressive

1. e4 c5 2. Nf3 g6

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
49.1%48.9%48.9%48.7%
Band 600, n = 2,204Band 1000, n = 18,041Band 1400, n = 19,879Band 1800, n = 62,294
Blunder rate
66.7%45.2%52.3%38.9%
Band median 44.6%Band median 42.9%Band median 40.0%Band median 36.4%
Tier
DCCB
Black, band 600Black, band 1000Black, band 1400Black, band 1800
Share of games
0.1%0.1%0.2%0.3%
Of band 600 gamesOf band 1000 gamesOf band 1400 gamesOf band 1800 games
Every band, source period 2026-05
BandWhiteDrawBlackBlunderBook exitGamesTier
60047.2%3.6%49.1%66.7%ply 4.02,204D
100048.0%3.2%48.9%45.2%ply 4.018,041C
140047.5%3.6%48.9%52.3%ply 4.019,879C
180046.9%4.5%48.7%38.9%ply 4.062,294B

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 600Blunder rate 66.7%, band median 44.6%

At 600, the Sicilian Defense: Hyperaccelerated Dragon scores 49.1% for Black across 2,204 games. Most openings score better than this at this level. Games in this line leave known theory around move 2 on average, and 66.7% include an early material blunder (3 games at 600).

1000Your bandC at 1000Blunder rate 45.2%, band median 42.9%

At 1000, the Sicilian Defense: Hyperaccelerated Dragon scores 48.9% for Black across 18,041 games. That is below average at this level. Games in this line leave known theory around move 2 on average, and 45.2% include an early material blunder (31 games at 1000).

1400Your bandC at 1400Blunder rate 52.3%, band median 40.0%

At 1400, the Sicilian Defense: Hyperaccelerated Dragon scores 48.9% for Black across 19,879 games. That is below average at this level. Games in this line leave known theory around move 2 on average, and 52.3% include an early material blunder (44 games at 1400).

1800Your bandB at 1800Blunder rate 38.9%, band median 36.4%

At 1800, the Sicilian Defense: Hyperaccelerated Dragon scores 48.7% for Black across 62,294 games. That is close to the average at this level. Games in this line leave known theory around move 2 on average, and 38.9% include an early material blunder (126 games at 1800).

Questions

Common questions about this page.

At 600, the Sicilian Defense: Hyperaccelerated Dragon scores 49.1% for Black across 2,204 games. Most openings score better than this at this level. Games in this line leave known theory around move 2 on average, and 66.7% include an early material blunder (3 games at 600).

At 1000, the Sicilian Defense: Hyperaccelerated Dragon scores 48.9% for Black across 18,041 games. That is below average at this level. Games in this line leave known theory around move 2 on average, and 45.2% include an early material blunder (31 games at 1000).

The Sicilian Defense: Hyperaccelerated Dragon (B27) is a line for Black. The main line runs 1. e4 c5 2. Nf3 g6.