Opening Leak Lab

Indian Defense: Knights Variation

A46 1. d4 Nf6 2. Nf3

Black scores 50.9% here across 1,212 club games — but the 3.2% who answer c5 score 41.0%, 10 points worse.

What Black actually plays here

Across 1,212 games from a Lichess-derived book of club play, Black scores 50.9% in this position. These are the replies people choose, and how each one works out.

ReplyGamesShare Black scoresVerdict
e6 379 31.3% 49.3% holds up
g6 346 28.5% 51.4% holds up
d5 307 25.3% 53.7% holds up
d6 71 5.9% 52.1% holds up
b6 48 4.0% 51.0% holds up
c5 39 3.2% 41.0% 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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