Old Indian Defense
A53 1. d4 Nf6 2. c4 d6
White scores 52.1% here across 968 club games — but the 3.9% who answer e3 score 40.8%, 11 points worse.
What White actually plays here
Across 968 games from a Lichess-derived book of club play, White scores 52.1% in this position. These are the replies people choose, and how each one works out.
| Reply | Games | Share | White scores | Verdict |
|---|---|---|---|---|
| Nc3 | 745 | 77.0% | 51.7% | holds up |
| Nf3 | 137 | 14.2% | 55.1% | holds up |
| e3 | 38 | 3.9% | 40.8% | 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.