Opening Leak Lab

Caro-Kann Defense

B15 1. e4 c6 2. d4 d5 3. Nc3 dxe4

Black scores 43.9% here across 603 club games — but the 15.6% who answer e6 score 36.7%, 7 points worse.

What Black actually plays here

Across 603 games from a Lichess-derived book of club play, Black scores 43.9% in this position. These are the replies people choose, and how each one works out.

ReplyGamesShare Black scoresVerdict
dxe4 443 73.5% 46.4% holds up
e6 94 15.6% 36.7% below the line
Nf6 35 5.8% 37.1% 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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