Opening Leak Lab

Hungarian Opening

A00 1. g3

Black scores 52.4% here across 1,699 club games — but the 32.9% who answer e5 score 49.0%, 3 points worse.

What Black actually plays here

Across 1,699 games from a Lichess-derived book of club play, Black scores 52.4% in this position. These are the replies people choose, and how each one works out.

ReplyGamesShare Black scoresVerdict
d5 602 35.4% 55.1% holds up
e5 559 32.9% 49.0% below the line
e6 108 6.4% 48.1% below the line
c5 94 5.5% 58.5% holds up
Nf6 89 5.2% 62.9% holds up
c6 66 3.9% 47.7% below the line
g6 63 3.7% 47.6% below the line
b6 40 2.4% 56.2% holds up
d6 28 1.6% 51.8% holds up
Nc6 27 1.6% 48.1% below the line

"Below the line" means the reply scores at least three points worse than the position does overall. Replies played fewer than 25 times are left out: the sample is too small to read.

Is this costing you anything?

A table of averages cannot tell you whether you go wrong here — only your own games can. Opening Leak Lab reads your Chess.com or Lichess archive, finds the decisions you repeat, and checks each one against this book and a bundled Stockfish.

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