Enter an opponent's Lichess or Chess.com username and Audit Chess builds a prep report from their public games — their weakest openings by colour, the positions they misplay, and the exact lines to steer toward. Runs in your browser, no account needed.
Weakest openings by colour
See which openings your opponent loses with most, split by White and Black.
Exact lines to play
Get the specific move orders that have cost them the most rating.
Endgame & tactical gaps
Surface the endgame types and tactical motifs they consistently mishandle.
Built from real games
Every insight comes from their own public game history, analyzed by Stockfish locally.
Enter their Lichess or Chess.com username. Audit Chess analyzes their public games and reports their weakest openings, recurring mistakes and the lines to prepare against them.
Yes. Scouting is free and needs no account — just a public username.
Only public game history from Lichess and Chess.com, replayed through Stockfish in your own browser. Nothing is uploaded.