Sicilian Defense: Staunton-Cochrane Variation
B20 1. e4 c5 2. c4
Black scores 54.8% here across 851 club games — but the 17.9% who answer d6 score 47.7%, 7 points worse.
What Black actually plays here
Across 851 games from a Lichess-derived book of club play, Black scores 54.8% in this position. These are the replies people choose, and how each one works out.
| Reply | Games | Share | Black scores | Verdict |
|---|---|---|---|---|
| Nc6 | 470 | 55.2% | 55.6% | holds up |
| d6 | 152 | 17.9% | 47.7% | below the line |
| e6 | 128 | 15.0% | 53.9% | holds up |
| g6 | 46 | 5.4% | 67.4% | holds up |
| e5 | 40 | 4.7% | 60.0% | 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.