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 active Cooldowns by 16% after getting an Elimination.
Increase your maximum Ammo by 9.
Increase your maximum Health by 750.
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%.