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 Healing received by 6% while your Bulwark is active.
Reduce your active Cooldowns by 24% after getting an Elimination.
Increase your maximum Health by 600.
Reduce the Cooldown of Battle Shout by 1.2s.
Heal for an additional 400 after activating Battle Shout.
Targets hit by Commander's Grab are Stunned for an additional 1.4s.