HP MoR: The intermittent glitch in the Marauder’s Map is the appearance of a marked Riddle or Voldemort on the map in places without people
- gwern estimated 25% on 2012-04-12
- JoshuaZ estimated 55% on 2012-04-13
- Oscar_Cunningham estimated 10% and said “Fred and George not telling anyone would mean they were both carrying idiot balls.” on 2012-04-20
- Oscar_Cunningham judged this prediction wrong on 2015-03-26.
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