every time I kill some one my rating used to go down . for example if my rating was 45 325 and I killed some one it used to go to 45 300 but now it goes up is this because of the update help.

my name is baljinder and i have been playing tanki for 2 years now and i am a big team player and i would love to be in a clan. i use a 3erd form viking and a 3erd form roket. please tell me step by step how to join a clan