+1
This feature will really help a lot.
You can't always use showdown calculator. Because some play on mobile. Opponent stats should be locked. Only the user should see his own pokemon stat.
I did like the idea. I say this should be made into 2 area's - OU PvP, UU PvP, . Using only OU or only UU is should be done through separate PvP area like creating a partition between them while matching. This enables to play OU or UU or anything.