Since you can use two controllers to play, it'd make sense to have a category for one person using two controllers, since it lets you have two pokemon out at once. P2 entering the game has a cutscene that's about a second long. This happens every time you enter a new room with P2 active. Does P2 need to be always active for it to count as a 1p2c run? If not, then runners could tag p2 in whenever they're in a longer battle to speed it up and then tag them out for the rest of the run. I personally feel like it'd be better to allow tag-in, since it'd add an element of deciding when to tag p2 in and when not.