I don't think it's unfair at all, but your comment made me rethink something that may be relevant. Quirrel set a surprise exam, and it was surprisingly easy and everyone (except Hermione) passed. I think probably the worst thing that you can do in the face of a surprise exam is not attempt to answer, and maybe that's part of the lesson EY is trying to convey here :-)
I also note that Quirrel failed Hermione in the knowledge that he would be resurrecting her, and this is either very mean, or a very good lesson for resurrected Hermione, or both.
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 113.
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.)
IMPORTANT -- From the end of chapter 113: