Petrov's Defense: Damiano Variation
C42 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4
White scores 58.3% here across 520 club games — but the 9.0% who answer Bc4 score 53.2%, 5 points worse.
What White actually plays here
Across 520 games from a Lichess-derived book of club play, White scores 58.3% in this position. These are the replies people choose, and how each one works out.
| Reply | Games | Share | White scores | Verdict |
|---|---|---|---|---|
| Qe2 | 275 | 52.9% | 62.0% | holds up |
| Qf3 | 51 | 9.8% | 61.8% | holds up |
| Bc4 | 47 | 9.0% | 53.2% | below the line |
| d3 | 33 | 6.3% | 30.3% | below the line |
| d4 | 33 | 6.3% | 72.7% | 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.