The next move, made obvious.
Set up any position and a world-class engine shows you the best move in seconds. Then play it, review it and understand why.
Everything you need between moves.
Analyse a position from a game you are playing by post, check an idea from a book, play a practice game, or find out exactly where last night's blitz game went wrong.
Best move finder
Set up any position, choose who is to move, and see the top three moves with evaluations. Arrows show you exactly where to go.
Open the analyser →Play the computer
Ten levels, from a gentle beginner to full-strength Stockfish. Ask for a hint, take back a move, then review the game.
Start a game →Game review
Paste a PGN or import from Lichess or Chess.com by username. Get accuracy scores, an evaluation graph and the best move you missed at every turn.
Review a game →Board from a screenshot
Drop or paste a screenshot of a 2D board. The pieces are read in your browser and placed on the board, ready to analyse.
Scan a board →Three steps. About ten seconds.
Set up the position
Play the moves, paste a FEN or PGN, scan a screenshot, or place pieces with the editor.
Choose who is to move
White or Black. The engine starts thinking straight away and gets stronger every second.
Read the answer
The best move appears in big type with an arrow on the board, plus the next two alternatives and the lines behind them.
Elo strength of Stockfish 18 at full power
Accounts, adverts or uploads. The engine runs in your browser.
Named openings recognised as you play
Pieces or fewer: perfect play from the endgame tablebase
Understand the move, not just the answer.
Clear, practical guides written for players who want to improve. Every diagram opens straight in the analyser.
Getting the most from jam1e
Every tool explained, with tips and keyboard shortcuts.
OpeningsOpenings that make sense
The principles, plus a simple repertoire for White and Black.
TacticsThe eight tactics that win games
Forks, pins, skewers and more, with positions to try.
EndgamesEndgames you must know
Basic mates, opposition, Lucena and Philidor.
EnginesReading an engine like a pro
What +1.3 means, why depth matters, and when to ignore the computer.
ResourcesLinks worth your time
The best sites, books, channels and people to follow.
Your move.
Open the board, set up the position in front of you, and see what the engine would play.
Open the board