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 100.
Generate 6 Ammo for each enemy hit with Frag Grenade.
Reduce damage taken by 6% while using Hustle.
Increase your maximum Ammo by 10.
Gain 25% Lifesteal while using Iron Sights.
Heal for 300 per second while using Hustle.