Opening Leak Lab

French Defense: Winawer Variation

C15 1. e4 e6 2. d4 d5 3. Nc3 Bb4

White scores 49.8% here across 497 club games — but the 17.1% who answer exd5 score 44.7%, 5 points worse.

What White actually plays here

Across 497 games from a Lichess-derived book of club play, White scores 49.8% in this position. These are the replies people choose, and how each one works out.

ReplyGamesShare White scoresVerdict
e5 227 45.7% 51.8% holds up
exd5 85 17.1% 44.7% below the line
Bd3 61 12.3% 39.3% below the line
Bd2 35 7.0% 48.6% holds up
Ne2 32 6.4% 56.2% holds up
a3 28 5.6% 53.6% 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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