AUDIT CHESSAnalyze Your Chess Games
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rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQK…0.0
Board size
Min Games
1110
Max Games
1001005000
Enter a username above to analyze their opening repertoire.
Supports Lichess and Chess.com
AUDIT CHESSrnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQK…Min Games
1Max Games
100Enter a username above to analyze their opening repertoire.
Supports Lichess and Chess.com
Enter your Lichess or Chess.com username and Audit Chess replays every game through Stockfish in your browser — no account, nothing uploaded. You get a full move-by-move review, puzzles built from your own blunders, and a map of exactly where you lose rating.
Move-by-move game review
Every move classified Best to Blunder with an accuracy score for you and your opponent.
Puzzles from your blunders
Tactics drills auto-generated from your own mistakes and re-verified by Stockfish.
Opening tree & trouble spots
See your win/draw/loss by opening and the exact lines costing you points.
Playstyle & endgame profile
Find your recurring weaknesses, blown wins and missed mates across your history.
Yes. Audit Chess is free and needs no account. Enter a public Lichess or Chess.com username and analysis starts immediately.
Your public games are pulled and replayed position by position through Stockfish 18 in your browser, so your games are never uploaded for analysis.
Around 1,000 games in under a minute, scaling to roughly 5,000.