Opening Leak Lab

Queen's Pawn Game: Stonewall Attack

D00 1. d4 d5 2. e3 Nf6 3. Bd3

Black scores 45.3% here across 491 club games — but the 26.3% who answer e6 score 36.8%, 8 points worse.

What Black actually plays here

Across 491 games from a Lichess-derived book of club play, Black scores 45.3% in this position. These are the replies people choose, and how each one works out.

ReplyGamesShare Black scoresVerdict
e6 129 26.3% 36.8% below the line
Nc6 121 24.6% 45.0% holds up
Bg4 82 16.7% 51.8% holds up
c5 54 11.0% 53.7% holds up
g6 46 9.4% 50.0% holds up
c6 26 5.3% 44.2% 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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