PeaceRequiresAnarchy: I usually click through the Game of the Day very rapidly (maybe about a minute total) and then try to guess which move (if any) really hurt the eventual-loser's chances.
Usually seeing how the game ends helps to identify a plan that went wrong.
Today I saw that 19.Bh4 lead to white's queen being stranded on h4 until the end of the game and so I picked that move as being white's worst move.
I usually don't check to see if the move I selected really was a bad move with deeper analysis or a computer, but I do skim through the comments to see if someone else mentioned the move.
Thanks to <Once>'s insightful comment, it appears my guess was correct: <Once: Fritz thinks that it starts to go wrong for white with 19. Bh6> Your comments are appreciated, Once.
I love the chess community on this website. Thanks, people.