Play chess against your computer: the Stockfish engine (WebAssembly) runs right in your browser, with 8 difficulty levels from Rookie to Grandmaster and full legal-move, check and checkmate validation. No app to install, no account needed — it plays on phone, tablet and desktop.
How to play
Pick a difficulty (Rookie → Grandmaster, 8 levels) and start a game.
Click your piece, then click the target square; captures apply instantly.
Checkmate the enemy king to win — and undo is there whenever you need it.
Features
Stockfish engine with 8 difficulty levels
Full legal-move, check and checkmate validation
Undo at any time
English & Chinese UI, runs locally with zero lag
FAQ
Is the chess game free?
Completely free — no sign-up, no download. Just open your browser and play.
How strong is the AI? Can I adjust it?
There are 8 levels from Rookie to Grandmaster, so both beginners and advanced players find a fair match.
Can I play on my phone?
Yes. Tap to move — it plays smoothly on phone, tablet and desktop.