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 maximum Health by 600.
Increase your maximum Ammo by 9.
Reduce your active Cooldowns by 8% after getting an Elimination.
Increase your Healing received by 12% while your Bulwark is active.
Reduce the Cooldown of Battle Shout by 3s.
Increase your Attack Speed by 40%, but reduce your damage-per-shot by 25%.