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.
Reduce your damage taken by 8% for 2s after hitting an enemy with Commander's Grab.
Reduce your active Cooldowns by 24% after getting an Elimination.
Heal for an additional 80 after activating Battle Shout.
Increase the recharge rate of your Bulwark by 30%.
Gain 20% Lifesteal.
Your Shield now regenerates at 120% effectiveness, and regenerates even while it is active.