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Polish Opening

A00For White

1. b4

A line for White. Every figure below is computed separately for each rating band, and every one carries its own sample size.

Win rate, White
44.6%52.5%52.2%51.3%
Band 600, n = 9,818Band 1000, n = 45,809Band 1400, n = 48,586Band 1800, n = 100,838
Blunder rate
28.6%36.6%27.3%27.3%
Band median 44.6%Band median 42.9%Band median 40.0%Band median 36.4%
Tier
CAAA
White, band 600White, band 1000White, band 1400White, band 1800
Share of games
0.2%0.3%0.5%0.5%
Of band 600 gamesOf band 1000 gamesOf band 1400 gamesOf band 1800 games
Every band, source period 2026-05
BandWhiteDrawBlackBlunderBook exitGamesTier
60044.6%6.1%49.3%28.6%ply 1.09,818C
100052.5%3.4%44.1%36.6%ply 1.045,809A
140052.2%3.4%44.4%27.3%ply 1.048,586A
180051.3%4.3%44.5%27.3%ply 1.0100,838A

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 28.6%, band median 44.6%

At 600, the Polish Opening scores 44.6% for White across 9,818 games. That is below average at this level. Games in this line leave known theory around move 1 on average, and 28.6% include an early material blunder (14 games at 600).

1000Your bandA at 1000Blunder rate 36.6%, band median 42.9%

At 1000, the Polish Opening scores 52.5% for White across 45,809 games. That is comfortably above average at this level. Games in this line leave known theory around move 1 on average, and 36.6% include an early material blunder (101 games at 1000).

1400Your bandA at 1400Blunder rate 27.3%, band median 40.0%

At 1400, the Polish Opening scores 52.2% for White across 48,586 games. That is comfortably above average at this level. Games in this line leave known theory around move 1 on average, and 27.3% include an early material blunder (99 games at 1400).

1800Your bandA at 1800Blunder rate 27.3%, band median 36.4%

At 1800, the Polish Opening scores 51.3% for White across 100,838 games. That is comfortably above average at this level. Games in this line leave known theory around move 1 on average, and 27.3% include an early material blunder (154 games at 1800).

Questions

Common questions about this page.

At 600, the Polish Opening scores 44.6% for White across 9,818 games. That is below average at this level. Games in this line leave known theory around move 1 on average, and 28.6% include an early material blunder (14 games at 600).

At 1000, the Polish Opening scores 52.5% for White across 45,809 games. That is comfortably above average at this level. Games in this line leave known theory around move 1 on average, and 36.6% include an early material blunder (101 games at 1000).

The Polish Opening (A00) is a line for White. The main line runs 1. b4.