Four Knights Game
C47 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6
White scores 51.6% here across 1,315 club games — but the 6.6% who answer d3 score 43.7%, 8 points worse.
What White actually plays here
Across 1,315 games from a Lichess-derived book of club play, White scores 51.6% in this position. These are the replies people choose, and how each one works out.
| Reply | Games | Share | White scores | Verdict |
|---|---|---|---|---|
| Bc4 | 417 | 31.7% | 53.0% | holds up |
| Bb5 | 357 | 27.1% | 55.9% | holds up |
| d4 | 325 | 24.7% | 50.6% | holds up |
| d3 | 87 | 6.6% | 43.7% | below the line |
| a3 | 59 | 4.5% | 42.4% | below the line |
| Nxe5 | 25 | 1.9% | 42.0% | 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.