Center Game
C21 1. e4 e5 2. d4 exd4 3. Qxd4
Black scores 51.2% here across 2,179 club games — but the 6.0% who answer d6 score 47.7%, 4 points worse.
What Black actually plays here
Across 2,179 games from a Lichess-derived book of club play, Black scores 51.2% in this position. These are the replies people choose, and how each one works out.
| Reply | Games | Share | Black scores | Verdict |
|---|---|---|---|---|
| Nc6 | 1,774 | 81.4% | 51.8% | holds up |
| d6 | 130 | 6.0% | 47.7% | below the line |
| Nf6 | 97 | 4.5% | 51.5% | holds up |
| c5 | 70 | 3.2% | 49.3% | holds up |
| Qf6 | 35 | 1.6% | 45.7% | 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.