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.
Gain 40% Lifesteal.
Increase your maximum Ammo by 2.
Reduce the Cooldown of Siege Shield by 1.6s.
Reduce your active Cooldowns by 30% after getting an Elimination.
Increase Siege Shield's maximum Health by 2500 and its size by 50%, but reduce its Movement Speed by 80%.