Modern Defense: Standard Line
B06 1. e4 g6 2. d4 Bg7 3. Nc3
Black scores 45.3% here across 800 club games — but the 9.1% who answer c6 score 41.1%, 4 points worse.
What Black actually plays here
Across 800 games from a Lichess-derived book of club play, Black scores 45.3% in this position. These are the replies people choose, and how each one works out.
| Reply | Games | Share | Black scores | Verdict |
|---|---|---|---|---|
| d6 | 385 | 48.1% | 43.8% | holds up |
| e6 | 119 | 14.9% | 46.6% | holds up |
| c6 | 73 | 9.1% | 41.1% | below the line |
| c5 | 69 | 8.6% | 60.1% | holds up |
| b6 | 46 | 5.8% | 45.7% | holds up |
| Nf6 | 38 | 4.8% | 36.8% | 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.