Opening Leak Lab

Bishop's Opening

C23 1. e4 e5 2. Bc4

Black scores 47.4% here across 6,764 club games — but the 11.2% who answer d6 score 44.3%, 3 points worse.

What Black actually plays here

Across 6,764 games from a Lichess-derived book of club play, Black scores 47.4% in this position. These are the replies people choose, and how each one works out.

ReplyGamesShare Black scoresVerdict
Nf6 2,532 37.4% 46.0% holds up
Nc6 1,728 25.5% 51.6% holds up
Bc5 815 12.0% 50.2% holds up
d6 759 11.2% 44.3% below the line
c6 261 3.9% 46.2% holds up
Qf6 141 2.1% 47.2% holds up
h6 87 1.3% 42.0% below the line
Qh4 71 1.0% 41.5% below the line
Be7 68 1.0% 55.9% holds up
c5 52 0.8% 47.1% holds up
a6 45 0.7% 32.2% below the line
f5 37 0.5% 50.0% 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.

Analyse my games

Related openings