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.
Decrease your damage taken by 20% for 3s after using Nade Launcher.
Increase your maximum Health by 50.
Generate 3 Ammo after getting an Elimination.
Increase your maximum Ammo by 8.
Reduce your active Cooldowns by 40% after getting an Elimination.
Nade Launcher has 3 charges, but reduce the damage of each to 650.