Flanks v1
Infinite boards for collaboration, fixed boards for repertoire work.
Keep the original realtime sandbox for shared analysis, then switch into a signed-in repertoire workspace with PGN import, guided move building, engine help, and review drills.
Link-first rooms
Spin up a board, copy the link, and pull other people into the same canvas immediately.
Realtime sandbox
Twelve named participants can claim colors while extra visitors drop in as spectators.
Freeform positions
Place, label, tag, and sticker standard chess pieces anywhere on an infinite grid.
Repertoire review
Build White and Black repertoires on a fixed board, import PGN, and drill them with spaced repetition.
Start a session
The collaborative room flow still works the same way. User accounts are only required for private repertoires and review.
Sessions expire 1 hour after inactivity. Expired links can be restarted from the last saved board snapshot.
Stack: Next.js, Prisma, Postgres, Yjs, Hocuspocus, shadcn/ui