Scotch Game: Haxo Gambit
C44 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5
White scores 53.3% here across 725 club games — but the 11.3% who answer O-O score 45.7%, 8 points worse.
What White actually plays here
Across 725 games from a Lichess-derived book of club play, White scores 53.3% in this position. These are the replies people choose, and how each one works out.
| Reply | Games | Share | White scores | Verdict |
|---|---|---|---|---|
| c3 | 410 | 56.6% | 56.5% | holds up |
| Ng5 | 185 | 25.5% | 51.9% | holds up |
| O-O | 82 | 11.3% | 45.7% | below the line |
| Bxf7+ | 25 | 3.4% | 38.0% | 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.