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 12% while your Bulwark is active.
Reduce your active Cooldowns by 32% after getting an Elimination.
Increase your maximum Ammo by 9.
Increase your maximum Health by 600.
Reduce the Cooldown of Battle Shout by 1.2s.
Increase your Attack Speed by 40%, but reduce your damage-per-shot by 25%.