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Chess Photo → PGN
Snap or drop a board diagram — get the FEN/PGN back, signed with your Nostr key.
Sign in with Nostr
Every request is a NIP-98 signature from your key — no API keys in the browser. The gateway holds the provider credential and meters usage. Your pubkey must be on the gateway allowlist, or calls return 403.
Drop a chess photo, click to choose, or paste
Phone camera, screenshot, or a scan from a book
Renders a board to verify — edit any misread square.