Best chess move, explained
It is free and no account is required.
Set any position, or start from the initial one. The engine finds the best move, says why it is best, names the opening, and shows how likely each side is to win.
What you can do
- Play from the starting position or set up your own board
- See the best move, other strong moves, and a short reason
- Read the opening name and the idea behind the line
- Check the winning chances for White and Black
Questions
Where does the engine run?
Stockfish runs in your browser. The position is not sent to a server to be analysed.
Can I analyse a position that is not the starting one?
Yes. Open the menu and choose Set up board. Place the pieces, choose who moves and the castling rights, then press Done.
Which languages are available?
English, Spanish, French, Italian, and German. The language control is in the menu.