Opening Leak Lab

Center Game: Normal Variation

C22 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6

White scores 38.2% here across 679 club games — but the 43.9% who answer Qd1 score 34.1%, 4 points worse.

What White actually plays here

Across 679 games from a Lichess-derived book of club play, White scores 38.2% in this position. These are the replies people choose, and how each one works out.

ReplyGamesShare White scoresVerdict
Qd1 298 43.9% 34.1% below the line
Qe3 165 24.3% 46.7% holds up
Qa4 86 12.7% 43.0% holds up
Qc4 42 6.2% 39.3% holds up
Qd3 35 5.2% 34.3% below the line
Qd5 29 4.3% 32.8% 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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