2 / 2
  1. 1.

Click a move, or focus the board and use the arrow keys.

Queen's Pawn GameModern Defense

A40For BlackLow theory

1. d4 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%47.7%47.3%46.2%
Band 600, n = 17,932Band 1000, n = 113,724Band 1400, n = 119,087Band 1800, n = 258,151
Blunder rate
41.2%34.3%27.0%28.3%
Band median 44.6%Band median 42.9%Band median 40.0%Band median 36.4%
Tier
BBBB
Black, band 600Black, band 1000Black, band 1400Black, band 1800
Share of games
0.4%0.8%1.1%1.2%
Of band 600 gamesOf band 1000 gamesOf band 1400 gamesOf band 1800 games
Every band, source period 2026-05
BandWhiteDrawBlackBlunderBook exitGamesTier
60046.8%4.1%49.1%41.2%ply 2.017,932B
100048.5%3.8%47.7%34.3%ply 2.0113,724B
140048.7%4.0%47.3%27.0%ply 2.0119,087B
180049.3%4.6%46.2%28.3%ply 2.0258,151B

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 bandB at 600Blunder rate 41.2%, band median 44.6%

At 600, the Queen's Pawn Game: Modern Defense scores 49.1% for Black across 17,932 games. That is close to the average at this level. Games in this line leave known theory around move 1 on average, and 41.2% include an early material blunder (51 games at 600).

1000Your bandB at 1000Blunder rate 34.3%, band median 42.9%

At 1000, the Queen's Pawn Game: Modern Defense scores 47.7% for Black across 113,724 games. That is close to the average at this level. Games in this line leave known theory around move 1 on average, and 34.3% include an early material blunder (219 games at 1000).

1400Your bandB at 1400Blunder rate 27.0%, band median 40.0%

At 1400, the Queen's Pawn Game: Modern Defense scores 47.3% for Black across 119,087 games. That is close to the average at this level. Games in this line leave known theory around move 1 on average, and 27.0% include an early material blunder (256 games at 1400).

1800Your bandB at 1800Blunder rate 28.3%, band median 36.4%

At 1800, the Queen's Pawn Game: Modern Defense scores 46.2% for Black across 258,151 games. That is close to the average at this level. Games in this line leave known theory around move 1 on average, and 28.3% include an early material blunder (545 games at 1800).

Questions

Common questions about this page.

At 600, the Queen's Pawn Game: Modern Defense scores 49.1% for Black across 17,932 games. That is close to the average at this level. Games in this line leave known theory around move 1 on average, and 41.2% include an early material blunder (51 games at 600).

At 1000, the Queen's Pawn Game: Modern Defense scores 47.7% for Black across 113,724 games. That is close to the average at this level. Games in this line leave known theory around move 1 on average, and 34.3% include an early material blunder (219 games at 1000).

The Queen's Pawn Game: Modern Defense (A40) is a line for Black. The main line runs 1. d4 g6.