This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Increase your maximum Ammo by 1.
Increase your maximum Health by 200.
Increase your Reload Speed by 40%.
Heal for 300 after using Counter.
Increase your Movement Speed by 33% while Billow is active.
Heal for 15% of your maximum Health per second while using Billow.