If every past tourney in gg2 used a 400 hp heavy, saying that you aren't using the 400 hp heavy is important, because it is different from every past tourney.
You don't have to write about something in thr rules if it hasn't be changed in any way
But if overtime were to be included, it has
been changed. not in the context of gg2, but in the context of gg2 tournaments. And we are playing in a gg2 tournament.
I'm not saying you are wrong and the match should be replayed, but I'm not saying you're right and it shouldn't. I'm just saying whatever choice Chu makes is justifiable, and you can't say "Chu made a terrible choice" and get mad.