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.
Generate 40% Energy after falling to or below 50% Health.
Increase your maximum Ammo by 5.
Heal for 200 after activating Shadow Step.
Generate 20 Ammo after activating Shadow Step.