Board
Preview build6k1/5ppp/8/8/8/8/6PP/3R2K1 w - - 0 1Upload station
Image reading is not connected yet
The position above is an authored example rendered from FEN by the domain layer. The Vision service that reads a position out of an uploaded image, and the in-browser engine that analyses it, are the next two things being built.
Engine
Stockfish will run here as a WebAssembly worker on your own device. Until it does, no evaluation on this page is engine output — Rd8 is mate in one by inspection, not by search.