Italian Game: Giuoco Pianissimo
C50 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. O-O O-O 6. d3
Black scores 52.9% here across 508 club games — but the 29.7% who answer h6 score 43.7%, 9 points worse.
What Black actually plays here
Across 508 games from a Lichess-derived book of club play, Black scores 52.9% in this position. These are the replies people choose, and how each one works out.
| Reply | Games | Share | Black scores | Verdict |
|---|---|---|---|---|
| Nf6 | 224 | 44.1% | 55.8% | holds up |
| h6 | 151 | 29.7% | 43.7% | below the line |
| d6 | 109 | 21.5% | 59.6% | 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.