Admin tools
Tournament Admin
Configure and manage tournaments. Puzzle tournaments are the only functional type right now — Game and Mix are placeholders for later work.
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Existing tournaments
New tournament
Game and Mix tournaments aren't functional yet — this admin page will let you build one once that work lands. Puzzle configuration below is hidden while this type is selected.
Schedule
Use each field's own calendar icon to pick a date, or type it directly.
Minimum participation
Counted from pre-registrations at the registration deadline. If short, the window extends by this percentage of the total duration, then is checked again; still short and the tournament is canceled. Uncheck "Require the minimum" to let the tournament start regardless of how many registered. (Threshold check itself runs in a later stage's scheduler — this just stores the config.)