Caro-Kann Defense
B12 1. e4 c6 2. d4 d5
Black scores 49.4% here across 1,954 club games — but the 5.2% who answer e6 score 37.7%, 12 points worse.
What Black actually plays here
Across 1,954 games from a Lichess-derived book of club play, Black scores 49.4% in this position. These are the replies people choose, and how each one works out.
| Reply | Games | Share | Black scores | Verdict |
|---|---|---|---|---|
| d5 | 1,725 | 88.3% | 51.0% | holds up |
| e6 | 102 | 5.2% | 37.7% | below the line |
| d6 | 58 | 3.0% | 48.3% | holds up |
| g6 | 25 | 1.3% | 30.0% | 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.