Chess It Up is a free online chess game analysis tool that uses the Stockfish engine to evaluate every move in a game, grading them from Brilliant to Blunder. It allows users to import games from Chess.com or Lichess or paste PGN files, and provides accuracy scores and detailed move breakdowns without requiring signup.
FIND A BETTER FIT
Alternatives to Chessigma
Start with the same category and recorded primary feature, then narrow by the features you need. These are discovery candidates, not a claim that every product replaces every feature.
Consider switching if these limitations affect you: No signup required but creating an account is optional for saving usernames and accessing puzzles. Analysis runs on the user's device, which may affect performance depending on hardware.
Verified alternatives
Each one checked against Chessigma: it does the same main job for a similar customer, so a buyer could choose it instead.