>>58070934
That's why Chansey > Blissey for gym defense.
>Lasts longer without maintenance
>Rewards less points for those going for gold gym
>Puts up more of a fight on the 2nd and 3rd round after CP is reduced
Blissey is only better if for some reason you think potions are a concern for your opponent. Or, I guess if you're, like, really bad at timing Golden Razzes and only refresh your mons after 1 fight rather than 2.