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Mieses OpeningReversed Rat

A00For White

1. d3 e5

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
43.5%45.5%46.7%48.4%
Band 600, n = 14,650Band 1000, n = 30,147Band 1400, n = 15,552Band 1800, n = 21,880
Blunder rate
37.9%42.2%35.3%32.6%
Band median 44.6%Band median 42.9%Band median 40.0%Band median 36.4%
Tier
CCCC
White, band 600White, band 1000White, band 1400White, band 1800
Share of games
0.3%0.2%0.1%0.1%
Of band 600 gamesOf band 1000 gamesOf band 1400 gamesOf band 1800 games
Every band, source period 2026-05
BandWhiteDrawBlackBlunderBook exitGamesTier
60043.5%5.8%50.7%37.9%ply 2.014,650C
100045.5%4.3%50.2%42.2%ply 2.030,147C
140046.7%3.9%49.3%35.3%ply 2.015,552C
180048.4%4.1%47.6%32.6%ply 2.021,880C

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 37.9%, band median 44.6%

At 600, the Mieses Opening: Reversed Rat scores 43.5% for White across 14,650 games. That is below average at this level. Games in this line leave known theory around move 1 on average, and 37.9% include an early material blunder (29 games at 600).

1000Your bandC at 1000Blunder rate 42.2%, band median 42.9%

At 1000, the Mieses Opening: Reversed Rat scores 45.5% for White across 30,147 games. That is below average at this level. Games in this line leave known theory around move 1 on average, and 42.2% include an early material blunder (45 games at 1000).

1400Your bandC at 1400Blunder rate 35.3%, band median 40.0%

At 1400, the Mieses Opening: Reversed Rat scores 46.7% for White across 15,552 games. That is below average at this level. Games in this line leave known theory around move 1 on average, and 35.3% include an early material blunder (34 games at 1400).

1800Your bandC at 1800Blunder rate 32.6%, band median 36.4%

At 1800, the Mieses Opening: Reversed Rat scores 48.4% for White across 21,880 games. That is below average at this level. Games in this line leave known theory around move 1 on average, and 32.6% include an early material blunder (46 games at 1800).

Questions

Common questions about this page.

At 600, the Mieses Opening: Reversed Rat scores 43.5% for White across 14,650 games. That is below average at this level. Games in this line leave known theory around move 1 on average, and 37.9% include an early material blunder (29 games at 600).

At 1000, the Mieses Opening: Reversed Rat scores 45.5% for White across 30,147 games. That is below average at this level. Games in this line leave known theory around move 1 on average, and 42.2% include an early material blunder (45 games at 1000).

The Mieses Opening: Reversed Rat (A00) is a line for White. The main line runs 1. d3 e5.