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 32% for 2s after hitting an enemy with Commander's Grab.
Reduce your active Cooldowns by 32% after getting an Elimination.
Increase your maximum Health by 300.
Reduce the Cooldown of Battle Shout by 0.6s.
Increase your Healing received by 24% while your Bulwark is active.
Increase your Attack Speed by 40%, but reduce your damage-per-shot by 25%.