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.
Reduce the Cooldown of Frag Grenade by 3s for each enemy hit by it.
Increase your maximum Health by 150.
Increase your Movement Speed after deactivating Hustle by 20% for 1.5s.
Gain 10% Lifesteal while using Iron Sights.
Heal for 300 per second while using Hustle.