Free chess tools
Analyze a game with Stockfish, replay a PGN or explore an opening, right in your browser and without an account.
Analysis board
Stockfish in your browser, variations, import a game (PGN) or a position (FEN).
Open ›PGN viewer
Replay a game move by move, with its variations, comments and arrows.
Open ›Openings
Plans and variations of a first set of openings, with the repertoire to learn them.
Open ›
Openings
Your games stay in your browser: nothing is sent or saved unless you choose to.