King's Pawn Game: Damiano Defense
C40 1. e4 e5 2. Nf3 f6
White scores 60.2% here across 991 club games — but the 3.1% who answer d3 score 37.1%, 23 points worse.
What White actually plays here
Across 991 games from a Lichess-derived book of club play, White scores 60.2% in this position. These are the replies people choose, and how each one works out.
| Reply | Games | Share | White scores | Verdict |
|---|---|---|---|---|
| Bc4 | 358 | 36.1% | 59.5% | holds up |
| Nc3 | 206 | 20.8% | 60.4% | holds up |
| d4 | 198 | 20.0% | 60.9% | holds up |
| Nxe5 | 126 | 12.7% | 67.5% | holds up |
| d3 | 31 | 3.1% | 37.1% | below the line |
| c3 | 25 | 2.5% | 52.0% | 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.