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 10.
Increase your maximum Health by 150.
Increase your Movement Speed by 25% while Hunter's Mark is active.
Increase the duration of Hunter's Mark by 0.6s.
Reduce your active Cooldowns by 10% after getting an Elimination.
Hunter's Mark has 2 charges and grants its benefits to allies.