Features
Everything Audit Chess finds in your games
Every feature is built from your own Lichess and Chess.com history and runs in your browser - no account, nothing uploaded.
Game Analysis
Move-by-move game review with accuracy scores
Review your chess games move by move with Stockfish: an accuracy score, an evaluation graph, and every inaccuracy, mistake and blunder - for your whole Lichess or Chess.com history at once.
Blown wins: the games you let slip
Find the winning chess positions you let slip. Audit Chess flags every game where you had a decisive advantage and lost it, bucketed by opening, middlegame or endgame.
Missed and blundered forced mates in your games
Audit Chess scans your whole game history for forced mates you had and missed, and winning positions you handed back by allowing mate. Every incident is catalogued with the move you played.
Training Tools
Puzzles built from your own blunders
Turn your own chess blunders and missed tactics into puzzles. Audit Chess replays every mistake from your real Lichess and Chess.com games as a Stockfish-verified puzzle you can re-solve.
Adaptive puzzle trainer from 400,000 Lichess positions
Train with 400,000 Lichess puzzles matched to your level. Puzzles For You serves opening, middlegame and endgame drills; Custom Mix lets you filter by theme and opening.
Pattern Recognition
Your interactive opening tree
See every opening you play as an interactive tree with win/draw/loss stats at each move, built from your real Lichess and Chess.com games.
Find the openings costing you points
Find your chess weaknesses from your own games: a sortable breakdown of every opening ranked by score, plus the exact lines quietly costing you points on Lichess and Chess.com.
Your endgame profile
See how you score in every kind of chess endgame - pawn, knight, bishop, rook and queen endings - built from your real Lichess and Chess.com games.
Activity & Playstyle
Your chess playstyle profile
Discover your chess playing style from real games: predictability, risk-taking, complexity, castling and tactical habits, read from your Lichess and Chess.com history.
Your chess activity and playing habits
See when you play your best chess: a GitHub-style game calendar, hour-by-hour win rates, session patterns, opponent analytics and personal records — all from your real game history.