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 your damage taken by 8% for 2s after hitting an enemy with Commander's Grab.
Increase your Movement Speed by 24% for 3s after activating Battle Shout.
Increase your maximum Ammo by 12.
Reduce your active Cooldowns by 16% after getting an Elimination.
Increase your Attack Speed by 40%, but reduce your damage-per-shot by 25%.