Opening Leak Lab

Ruy Lopez: Classical Variation

C64 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5

White scores 52.3% here across 672 club games — but the 27.8% who answer Bxc6 score 36.6%, 16 points worse.

What White actually plays here

Across 672 games from a Lichess-derived book of club play, White scores 52.3% in this position. These are the replies people choose, and how each one works out.

ReplyGamesShare White scoresVerdict
O-O 274 40.8% 57.3% holds up
Bxc6 187 27.8% 36.6% below the line
c3 144 21.4% 62.5% holds up
Nc3 39 5.8% 57.7% holds up

"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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