He will return to the game, find it still in progress, and say something about people being incredibly... stubborn about winning, because looking onto his watch honestly, this should have ended an hour ago. THEN McGonagall will ask him if he would please snap his fingers.
Cute, but it falls prey to the Wizengamot Mistake: the point of not leaving clues is not that the median person will understand the clue, but that any person might understand the clue. The benefit of such a move is that Harry gets to feel special; the detriment of such a move is that someone might notice that Harry is special. This is not worth it.
This is a new thread to discuss Eliezer Yudkowsky’s Harry Potter and the Methods of Rationality and anything related to it. This thread is intended for discussing chapter 114, and also, as a special case due to the exceptionally close posting times, chapter 115.
There is a site dedicated to the story at hpmor.com, which is now the place to go to find the authors notes and all sorts of other goodies. AdeleneDawner has kept an archive of Author’s Notes. (This goes up to the notes for chapter 76, and is now not updating. The authors notes from chapter 77 onwards are on hpmor.com.)