Sicilian Defense: Grand Prix Attack
B23 1. e4 c5 2. Nc3 Nc6 3. f4
Black scores 48.3% here across 472 club games, and no common reply does noticeably worse than the rest.
What Black actually plays here
Across 472 games from a Lichess-derived book of club play, Black scores 48.3% in this position. These are the replies people choose, and how each one works out.
| Reply | Games | Share | Black scores | Verdict |
|---|---|---|---|---|
| g6 | 175 | 37.1% | 47.7% | holds up |
| e6 | 141 | 29.9% | 51.1% | holds up |
| d6 | 104 | 22.0% | 49.0% | 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.