Is there any way to prevent people...who make multis and surrender with the multis at the beginning of the game) from leveling up unless they won a fair game?
This will be against the rules, and anyone caught playing sham games will lose *all* their points and levels. Since games are never deleted, the evidence will live on forever and anyone doing this will eventually be caught.
ladder games, and big tournaments should be given more points
They will indeed! Tournament points will be relative to the levels of players participating in that tournament.
i payed £20 for membership a few weeks ago...i just wasted my money
I understand why you may feel that way, but you should wait until you see all the details. I'm pretty sure you won't feel like it was a waste once all the details are revealed.