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.
Heal the target of your Protection for 300.
Increase your maximum Health by 300.
Heal for 150 after activating Nullify.
Gain a 300-Health Shield after activating Nullify.
Heal for 225 after activating Recharge.
Increase Protection's Shield Health by 300 and reduce its Cooldown by 1s.