Opening Leak Lab

King's Indian Defense: Normal Variation

E70 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6

White scores 52.9% here across 1,487 club games — but the 8.7% who answer Bd3 score 40.3%, 13 points worse.

What White actually plays here

Across 1,487 games from a Lichess-derived book of club play, White scores 52.9% in this position. These are the replies people choose, and how each one works out.

ReplyGamesShare White scoresVerdict
Nf3 434 29.2% 52.5% holds up
f4 233 15.7% 53.6% holds up
f3 213 14.3% 56.3% holds up
Be2 159 10.7% 53.1% holds up
h3 154 10.4% 55.5% holds up
Bd3 129 8.7% 40.3% below the line
Be3 50 3.4% 48.0% below the line
Bg5 47 3.2% 52.1% holds up
Nge2 25 1.7% 76.0% 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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