Assuming what happened to Dubledore was real, he made two very stupid mistakes:
he didn't count with the possibility of Voldemort having Harry and the Invisibility Cloak with him
he gloated like a cartoon villain about how he'll trap Voldemort. Why? He needed time for the time stopping spell to charge, but why did he reveal what kind of spell it was? Also, Voldemort couldn't have simply run away, he tried but failed. Voldemort did have extended knowledge but there was a chance he was not familiar with the spell Dumbledore was casting. So why take the unnecessary risk to warn him?
I love the image of Dumbledore gloating like a cartoon villain. You're right, of course.
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 110.
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.)
Spoiler Warning: this thread is full of spoilers. With few exceptions, spoilers for MOR and canon are fair game to post, without warning or rot13. More specifically: