Borg Defense
B00 1. e4 g5
White scores 51.6% here across 471 club games, and no common reply does noticeably worse than the rest.
What White actually plays here
Across 471 games from a Lichess-derived book of club play, White scores 51.6% in this position. These are the replies people choose, and how each one works out.
| Reply | Games | Share | White scores | Verdict |
|---|---|---|---|---|
| d4 | 235 | 49.9% | 49.8% | holds up |
| Nf3 | 89 | 18.9% | 51.7% | holds up |
| Bc4 | 51 | 10.8% | 57.8% | holds up |
| Nc3 | 44 | 9.3% | 59.1% | 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.