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Modern Defense

B06For BlackSolid

1. e4 g6 2. d4 Bg7

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
47.8%47.2%47.0%46.1%
Band 600, n = 9,884Band 1000, n = 77,247Band 1400, n = 85,809Band 1800, n = 213,390
Blunder rate
50.0%40.7%31.3%28.8%
Band median 44.6%Band median 42.9%Band median 40.0%Band median 36.4%
Tier
CCBB
Black, band 600Black, band 1000Black, band 1400Black, band 1800
Share of games
0.2%0.5%0.8%1.0%
Of band 600 gamesOf band 1000 gamesOf band 1400 gamesOf band 1800 games
Every band, source period 2026-05
BandWhiteDrawBlackBlunderBook exitGamesTier
60048.0%4.2%47.8%50.0%ply 4.09,884C
100049.1%3.7%47.2%40.7%ply 4.077,247C
140049.2%3.8%47.0%31.3%ply 4.085,809B
180049.7%4.2%46.1%28.8%ply 4.0213,390B

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 50.0%, band median 44.6%

At 600, the Modern Defense scores 47.8% for Black across 9,884 games. That is below average at this level. Games in this line leave known theory around move 2 on average, and 50.0% include an early material blunder (8 games at 600).

1000Your bandC at 1000Blunder rate 40.7%, band median 42.9%

At 1000, the Modern Defense scores 47.2% for Black across 77,247 games. That is below average at this level. Games in this line leave known theory around move 2 on average, and 40.7% include an early material blunder (118 games at 1000).

1400Your bandB at 1400Blunder rate 31.3%, band median 40.0%

At 1400, the Modern Defense scores 47.0% for Black across 85,809 games. That is close to the average at this level. Games in this line leave known theory around move 2 on average, and 31.3% include an early material blunder (128 games at 1400).

1800Your bandB at 1800Blunder rate 28.8%, band median 36.4%

At 1800, the Modern Defense scores 46.1% for Black across 213,390 games. That is close to the average at this level. Games in this line leave known theory around move 2 on average, and 28.8% include an early material blunder (309 games at 1800).

Variations

Where the line goes next.

The lines that continue the Modern Defense, most played first at your band. Switch the band in the header and both the figures and the order follow.

  • CCCDB06

    Modern Defense: Standard Line

    1. e4 g6 2. d4 Bg7 3. Nc3

    0.0% of games at 600, n = 1,1910.1% of games at 1000, n = 9,4790.1% of games at 1400, n = 12,2750.2% of games at 1800, n = 41,598

Questions

Common questions about this page.

At 600, the Modern Defense scores 47.8% for Black across 9,884 games. That is below average at this level. Games in this line leave known theory around move 2 on average, and 50.0% include an early material blunder (8 games at 600).

At 1000, the Modern Defense scores 47.2% for Black across 77,247 games. That is below average at this level. Games in this line leave known theory around move 2 on average, and 40.7% include an early material blunder (118 games at 1000).

The Modern Defense (B06) is a line for Black. The main line runs 1. e4 g6 2. d4 Bg7.