Analyze your game

Paste or upload a PGN. Stockfish checks every move and shows you where the game was decided.

Server analysis In construction Full-strength Stockfish on our servers. Coming soon. Analyze in my browser Available now Instant, no queue and no daily limit. Runs Stockfish on your own device (a few seconds to a minute, depending on depth and game length). Your game is not sent to our server and the result is not saved. Depth:

See a sample analysis

Daily limit reached. Guests can analyze 1 game per day. The ChessPM desktop software has no limits - download the free trial.

Good to know

One game per analysis, up to 100,000 characters.
Limit: 1 game per day.
Your game and its analysis are stored on our server for 7 days and then deleted. Keep the link of the result page to come back to it.
Only the PGN you submit is stored - no personal details are needed.

Want deeper analysis, opening repertoire and training from your mistakes? See the ChessPM desktop software.