About
About Audit Chess
Audit Chess is a free web app that turns your real Lichess and Chess.com games into a personalized training plan. It reviews every game with Stockfish, ranks the openings costing you points, profiles your endgames and playstyle, finds the winning positions you let slip, and turns your own blunders into puzzles - all in your browser, with no account and nothing uploaded.
Why we built it
The fastest way to improve at chess is to study your own games, not generic theory - but doing it by hand across hundreds of games is impractical, so most players never do it. Audit Chess automates the whole thing: it finds the patterns in your play that a single-game review can never show, and points you at exactly what to work on. Built by a chess enthusiast who wanted deeper analysis than the built-in tools provide.
Runs on your device
Analysis happens in your browser. You enter a public Lichess or Chess.com username and Stockfish evaluates your games locally - there is no account to create and your games are not uploaded to a server. The privacy story is simple because the architecture is: your data stays with you.
Who it's for
Audit Chess is built for club and improving players - roughly 800 to 2200 - on Chess.com and Lichess who want to get better using their own games instead of one-size-fits-all lessons.