Opening Leak Lab

English Opening: Anglo-Indian Defense, Queen's Knight Variation

A16 1. c4 Nf6 2. Nc3

Black scores 45.8% here across 1,385 club games — but the 11.3% who answer e5 score 42.6%, 3 points worse.

What Black actually plays here

Across 1,385 games from a Lichess-derived book of club play, Black scores 45.8% in this position. These are the replies people choose, and how each one works out.

ReplyGamesShare Black scoresVerdict
g6 519 37.5% 45.0% holds up
e6 323 23.3% 44.4% holds up
e5 156 11.3% 42.6% below the line
c5 102 7.4% 41.2% below the line
d5 91 6.6% 50.5% holds up
c6 71 5.1% 53.5% holds up
d6 69 5.0% 52.9% holds up
Nc6 33 2.4% 40.9% 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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