Bug in rank help admin

[b10h4z4rd]

[Info rank] Noob, you have gone down -3 place(s) !![Info rank] Your rank : 8543 of 8601
im the first in score table
Play all days cant be just the last 
This my rank when i kill someone this: 
[Info rank] Your rank : 8139 of 8195 
[Info rank] Your rank : 7994 of 8057
[Info rank] Your rank : 7726 of 7782

I upload a screenshot with this status:

first on the list, 15 kill 5 death plant bomb and detonate and the next round I lowered 3 levels.

It seems this is happening to me on purpose