English Opening: Caro-Kann Defensive System
A11 1. c4 c6
White scores 52.3% here across 865 club games — but the 13.6% who answer d4 score 46.6%, 6 points worse.
What White actually plays here
Across 865 games from a Lichess-derived book of club play, White scores 52.3% in this position. These are the replies people choose, and how each one works out.
| Reply | Games | Share | White scores | Verdict |
|---|---|---|---|---|
| Nc3 | 400 | 46.2% | 56.1% | holds up |
| d4 | 118 | 13.6% | 46.6% | below the line |
| g3 | 108 | 12.5% | 50.9% | holds up |
| Nf3 | 83 | 9.6% | 56.0% | holds up |
| e4 | 61 | 7.1% | 50.0% | holds up |
| e3 | 56 | 6.5% | 44.6% | 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.