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ChessGrader is a web-based tool that analyzes chess games using Stockfish 17.1 directly in the browser. Users can review games by entering a chess.com or lichess username or by pasting a PGN, receiving grades for each move ranging from Brilliant to Blunder, along with accuracy scores and an estimated game rating. Game reviews are free, require no account, and have no daily limit. An optional free coach feature examines the user's latest 30 public games to identify recurring patterns and generate a personalized four-week training program, with all coach data stored locally on the device.
- Website
- chessgrader.com