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Scan the board.
Analyze position.
Keep playing.

Snap any over-the-board position. Get instant analysis with Stockfish and Leela Chess Zero — right on your device.

Use Web App Now See How It Works

How it works

1

Snap a photo of the board

Any board, any angle. Tournament sets, wooden boards, even a book.

Original photo of a chess board
2

Get the position instantly

Pieces are recognized in real-time. Review the detected position and copy the FEN.

Detected chess position with Stockfish analysis
3

Play vs Bots

Challenge Stockfish locally or Leela Chess Zero in the cloud — pick your engine, strength, and time control.

Play vs Bot dialog with Stockfish and Leela Chess Zero
4

GM Equal Positions

Play from 14k+ equal positions taken from real GM games. Challenge yourself vs bots or friends — try not to lose!

Browse equal positions from real GM games

Start analyzing in seconds

Free. No ads. Instant recognition.

Use Web App Now
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