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Benoni Defense

A56For BlackAggressive

1. d4 Nf6 2. c4 c5

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
45.5%47.2%50.8%50.5%
Band 600, n = 246Band 1000, n = 3,312Band 1400, n = 5,692Band 1800, n = 42,977
Blunder rate
pending80.0%26.7%28.1%
Band median 44.6%Band median 42.9%Band median 40.0%Band median 36.4%
Tier
-DBB
Black, band 600Black, band 1000Black, band 1400Black, band 1800
Share of games
0.0%0.0%0.1%0.2%
Of band 600 gamesOf band 1000 gamesOf band 1400 gamesOf band 1800 games
Every band, source period 2026-05
BandWhiteDrawBlackBlunderBook exitGamesTier
60050.4%4.1%45.5%--246-
100050.0%2.8%47.2%80.0%ply 4.03,312D
140046.0%3.2%50.8%26.7%ply 4.05,692B
180045.0%4.4%50.5%28.1%ply 4.042,977B

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 band

At 600, the Benoni Defense scores 45.5% for Black across 246 games. The sample at 600 is too small to grade honestly.

1000Your bandD at 1000Blunder rate 80.0%, band median 42.9%

At 1000, the Benoni Defense scores 47.2% for Black across 3,312 games. Most openings score better than this at this level. Games in this line leave known theory around move 2 on average, and 80.0% include an early material blunder (5 games at 1000).

1400Your bandB at 1400Blunder rate 26.7%, band median 40.0%

At 1400, the Benoni Defense scores 50.8% for Black across 5,692 games. That is close to the average at this level. Games in this line leave known theory around move 2 on average, and 26.7% include an early material blunder (15 games at 1400).

1800Your bandB at 1800Blunder rate 28.1%, band median 36.4%

At 1800, the Benoni Defense scores 50.5% for Black across 42,977 games. That is close to the average at this level. Games in this line leave known theory around move 2 on average, and 28.1% include an early material blunder (64 games at 1800).

Questions

Common questions about this page.

At 600, the Benoni Defense scores 45.5% for Black across 246 games. The sample at 600 is too small to grade honestly.

At 1000, the Benoni Defense scores 47.2% for Black across 3,312 games. Most openings score better than this at this level. Games in this line leave known theory around move 2 on average, and 80.0% include an early material blunder (5 games at 1000).

The Benoni Defense (A56) is a line for Black. The main line runs 1. d4 Nf6 2. c4 c5.