Find out what really happened in your game.

Free move-by-move review of your Chess.com and Lichess games: brilliant moves, blunders, accuracy and the reasons behind them.

Real explanations

Not just "?? Blunder" — see the fork, the hanging piece or the mate you missed.

Fast, parallel engine

Stockfish 17 runs on several cores at once. Reviews take seconds, not minutes.

Private

Everything runs in your browser. No account, no uploads, no limits.