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 Health by 50.
Gain 15% Lifesteal while using Iron Sights.
Reduce the Cooldown of Frag Grenade by 1s for each enemy hit by it.
Increase your maximum Ammo by 10.
Reduce damage taken by 15% while using Hustle.
Heal for 300 per second while using Hustle.