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Nimzo-Indian Defense

E20For BlackSolid

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4

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
47.2%46.5%46.6%47.0%
Band 600, n = 464Band 1000, n = 7,892Band 1400, n = 13,689Band 1800, n = 62,586
Blunder rate
0.0%18.2%20.8%19.0%
Band median 44.6%Band median 42.9%Band median 40.0%Band median 36.4%
Tier
CBBB
Black, band 600Black, band 1000Black, band 1400Black, band 1800
Share of games
0.0%0.1%0.1%0.3%
Of band 600 gamesOf band 1000 gamesOf band 1400 gamesOf band 1800 games
Every band, source period 2026-05
BandWhiteDrawBlackBlunderBook exitGamesTier
60050.7%2.2%47.2%0.0%ply 6.0464C
100050.5%3.0%46.5%18.2%ply 6.07,892B
140050.0%3.4%46.6%20.8%ply 6.013,689B
180048.3%4.7%47.0%19.0%ply 6.062,586B

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 0.0%, band median 44.6%

At 600, the Nimzo-Indian Defense scores 47.2% for Black across 464 games. That is below average at this level. Games in this line leave known theory around move 3 on average, and 0.0% include an early material blunder (1 games at 600).

1000Your bandB at 1000Blunder rate 18.2%, band median 42.9%

At 1000, the Nimzo-Indian Defense scores 46.5% for Black across 7,892 games. That is close to the average at this level. Games in this line leave known theory around move 3 on average, and 18.2% include an early material blunder (11 games at 1000).

1400Your bandB at 1400Blunder rate 20.8%, band median 40.0%

At 1400, the Nimzo-Indian Defense scores 46.6% for Black across 13,689 games. That is close to the average at this level. Games in this line leave known theory around move 3 on average, and 20.8% include an early material blunder (24 games at 1400).

1800Your bandB at 1800Blunder rate 19.0%, band median 36.4%

At 1800, the Nimzo-Indian Defense scores 47.0% for Black across 62,586 games. That is close to the average at this level. Games in this line leave known theory around move 3 on average, and 19.0% include an early material blunder (100 games at 1800).

Questions

Common questions about this page.

At 600, the Nimzo-Indian Defense scores 47.2% for Black across 464 games. That is below average at this level. Games in this line leave known theory around move 3 on average, and 0.0% include an early material blunder (1 games at 600).

At 1000, the Nimzo-Indian Defense scores 46.5% for Black across 7,892 games. That is close to the average at this level. Games in this line leave known theory around move 3 on average, and 18.2% include an early material blunder (11 games at 1000).

The Nimzo-Indian Defense (E20) is a line for Black. The main line runs 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4.