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 250.
Reduce damage taken by 6% while using Hustle.
Generate 6 Ammo for each enemy hit with Frag Grenade.
Reduce the Cooldown of Frag Grenade by 2s for each enemy hit by it.
Heal for 300 per second while using Hustle.