Trompowsky Attack
A45 1. d4 Nf6 2. Bg5
Black scores 48.2% here across 911 club games — but the 15.5% who answer g6 score 44.7%, 4 points worse.
What Black actually plays here
Across 911 games from a Lichess-derived book of club play, Black scores 48.2% in this position. These are the replies people choose, and how each one works out.
| Reply | Games | Share | Black scores | Verdict |
|---|---|---|---|---|
| e6 | 231 | 25.4% | 49.1% | holds up |
| Ne4 | 195 | 21.4% | 51.0% | holds up |
| d5 | 146 | 16.0% | 46.2% | holds up |
| g6 | 141 | 15.5% | 44.7% | below the line |
| h6 | 61 | 6.7% | 44.3% | below the line |
| c5 | 52 | 5.7% | 59.6% | holds up |
| d6 | 47 | 5.2% | 40.4% | 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.