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 750.
Reduce the Cooldown of Battle Shout by 0.6s.
Gain 12% Lifesteal.
Increase your maximum Ammo by 9.
Increase your Movement Speed by 24% for 3s after activating Battle Shout.
Increase your Attack Speed by 40%, but reduce your damage-per-shot by 25%.