Rankfile - Chess Scanner

Rankfile turns a photo of a chess diagram into a position you can work with. Point the camera at a book, magazine, PDF or screen; Rankfile finds the diagram, reads the pieces, and gives you an editable board. Copy FEN, share it, or open the position in Lichess analysis. Everything runs on your iPhone. No account, no upload, no subscription. SCAN • Photograph a page or pick photos from your library, up to 20 at a time • Several diagrams on one page are found and read together • Whose move? Rankfile reads captions such as "White to play", move numbers and W/B markers next to the board CHECK AND FIX • Squares the model is unsure about are marked; tap one to see its alternative and confirm with one tap • Tap any square to change the piece on an on-screen board • Impossible positions (missing king, pawn on the back rank, both kings in check) are flagged. BOOKS • A copy of Capablanca’s Chess…