Nimzowitsch Defense: Declined Variation
B00 1. e4 Nc6 2. Nf3
Black scores 43.5% here across 892 club games — but the 6.3% who answer d5 score 32.1%, 11 points worse.
What Black actually plays here
Across 892 games from a Lichess-derived book of club play, Black scores 43.5% in this position. These are the replies people choose, and how each one works out.
| Reply | Games | Share | Black scores | Verdict |
|---|---|---|---|---|
| e5 | 587 | 65.8% | 44.9% | holds up |
| d6 | 67 | 7.5% | 41.8% | holds up |
| Nf6 | 65 | 7.3% | 47.7% | holds up |
| d5 | 56 | 6.3% | 32.1% | below the line |
| e6 | 48 | 5.4% | 44.8% | holds up |
| b6 | 25 | 2.8% | 40.0% | 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.