Originally Posted by LolKathy
i have no idea...i was trying to figure it out but i came out with nothing ):
Judging from the one Cornflake just posted. I'd guess you start out with 100 points, then add combo and hit, then subtract damage.
It was posted in another thread what determines the points for each category.
Edit: Guess D rank is as low as you can go. And yes, I did it on purpose.