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.
Reduce your active Cooldowns by 8% after getting an Elimination.
Reduce the Cooldown of Nullify by 1s.
Generate 10 Ammo for the target of your Protection.
Increase the Movement Speed of your Protection target by 40% for 2s.
Increase the damage done by allies by 10% while they are Shielded by Protection.