Italian Game: Rousseau Gambit
C50 1. e4 e5 2. Nf3 Nc6 3. Bc4 f5
White scores 48.0% here across 795 club games — but the 33.7% who answer exf5 score 39.7%, 8 points worse.
What White actually plays here
Across 795 games from a Lichess-derived book of club play, White scores 48.0% in this position. These are the replies people choose, and how each one works out.
| Reply | Games | Share | White scores | Verdict |
|---|---|---|---|---|
| d3 | 291 | 36.6% | 53.8% | holds up |
| exf5 | 268 | 33.7% | 39.7% | below the line |
| d4 | 120 | 15.1% | 54.2% | holds up |
| Nc3 | 60 | 7.5% | 41.7% | below the line |
| O-O | 27 | 3.4% | 53.7% | 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.