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.
Generate 300 Shield after using Protection.
Heal the target of your Protection for 150.
Increase your maximum Health by 600.
Reduce your active Cooldowns by 8% after getting an Elimination.
Reduce the Cooldown of Recharge by 1.6s.
Increase Protection's Shield Health by 300 and reduce its Cooldown by 1s.