[RockofStrength]

Move 78 was humanity's last great stand against AI in a board game. Lee Sedol, tired and inspired, reddens AlphaGo's ears with a move plucked from a higher dimension.

It now seems humorous that Kasparov once accused people of helping computers behind the scenes. Now chess masters have been caught huddled in bathroom stalls with their smart phones. Chess commentators choose to willfully ignore chess engines in their presentations, in order to enable our understanding of the analysis. The torch has been passed.

[hyperpape]

We should be clear: move 78 didn’t really work, except that the engine got confused. Other humans and later versions of Go engines can refute it.

[RockofStrength]

It was a divine move in the sense that he created a surprise tsumego that crashed AG. Lee Sedol called it his 'trick move' in the post game interview I believe. Move 78 shouldn't have damaged AlphaGo's moyo if it had responded correctly. See diagram 9 here for an explanation: chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/viewer.html?pdfurl=https%3A%2F%2Fdeepmind-media.storage.googleapis.com%2Falphago%2Fpdf-files%2Fenglish%2Fls-vs-ag4%2FLS%2520vs%2520AG%2520-%2520G4%2520-%2520English.pdf&clen=4258493&chunk=true