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Barnes Opening

A00For White

1. f3

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
37.6%41.0%39.8%46.5%
Band 600, n = 6,726Band 1000, n = 12,008Band 1400, n = 6,794Band 1800, n = 13,106
Blunder rate
45.5%32.3%44.4%23.1%
Band median 44.6%Band median 42.9%Band median 40.0%Band median 36.4%
Tier
DDDC
White, band 600White, band 1000White, band 1400White, band 1800
Share of games
0.2%0.1%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
60037.6%6.8%55.6%45.5%ply 1.66,726D
100041.0%4.6%54.4%32.3%ply 1.312,008D
140039.8%4.5%55.7%44.4%ply 1.46,794D
180046.5%4.6%48.9%23.1%ply 1.413,106C

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 bandD at 600Blunder rate 45.5%, band median 44.6%

At 600, the Barnes Opening scores 37.6% for White across 6,726 games. Most openings score better than this at this level. Games in this line leave known theory around move 1 on average, and 45.5% include an early material blunder (11 games at 600).

1000Your bandD at 1000Blunder rate 32.3%, band median 42.9%

At 1000, the Barnes Opening scores 41.0% for White across 12,008 games. Most openings score better than this at this level. Games in this line leave known theory around move 1 on average, and 32.3% include an early material blunder (31 games at 1000).

1400Your bandD at 1400Blunder rate 44.4%, band median 40.0%

At 1400, the Barnes Opening scores 39.8% for White across 6,794 games. Most openings score better than this at this level. Games in this line leave known theory around move 1 on average, and 44.4% include an early material blunder (18 games at 1400).

1800Your bandC at 1800Blunder rate 23.1%, band median 36.4%

At 1800, the Barnes Opening scores 46.5% for White across 13,106 games. That is below average at this level. Games in this line leave known theory around move 1 on average, and 23.1% include an early material blunder (26 games at 1800).

Blunders and traps

How this opening ends early.

The known traps that live inside the Barnes Opening. The rates are how often each one actually lands in your band, counted against every sampled game in that band.

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  1. 2...

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Fool's Mate

1. f3 e5 2. g4

Sprung by Black. The move that invites it is g4.

The fastest possible checkmate. Weakening the e1-h4 diagonal with both pawn moves is immediately fatal.

1 in 8,193Band 600
0 hitsBand 1000
1 in 21,354Band 1400
0 hitsBand 1800

Read as: how often this trap line is completed per sampled game in the band.

How the Blunder Rate is measured. A material swing of three points or more inside the first 24 half-moves after leaving book, detected without an engine evaluation. It is a proxy for how sharp a position is in practice, not an engine verdict, and it is computed from a monthly game sample rather than the full corpus behind the win rates. Trap hit rates count a trap only when its full line is completed on the board.

See how the Barnes Opening ranks against every other opening in your band.

Open the tier list

Questions

Common questions about this page.

At 600, the Barnes Opening scores 37.6% for White across 6,726 games. Most openings score better than this at this level. Games in this line leave known theory around move 1 on average, and 45.5% include an early material blunder (11 games at 600).

At 1000, the Barnes Opening scores 41.0% for White across 12,008 games. Most openings score better than this at this level. Games in this line leave known theory around move 1 on average, and 32.3% include an early material blunder (31 games at 1000).

The Barnes Opening (A00) is a line for White. The main line runs 1. f3.