French Defense: Advance Variation, Nimzowitsch System
C02 1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3
Black scores 63.5% here across 417 club games, and no common reply does noticeably worse than the rest.
What Black actually plays here
Across 417 games from a Lichess-derived book of club play, Black scores 63.5% in this position. These are the replies people choose, and how each one works out.
| Reply | Games | Share | Black scores | Verdict |
|---|---|---|---|---|
| Nc6 | 221 | 53.0% | 62.9% | holds up |
| cxd4 | 93 | 22.3% | 61.8% | holds up |
| Qb6 | 69 | 16.5% | 64.5% | 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.