I’m a champ in arena right now. Every time i win a game I literally go up by 1 CSR. Then when I lose, i will drop 25-30 csr every game. Please help, Also Im playing with other high onyxs and matching champs.
Check out the matchmaking section. Changes to CSR are discussed there.
As above OP, CSR has been discussed quite a few times by Josh in his matchmaking update threads