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.
Activating Fire Bomb heals you for 300 over 2s.
Heal for 180 for each enemy hit with Nade Launcher.
Increase your maximum Health by 250.
Reduce your active Cooldowns by 10% after getting an Elimination.
Increase your maximum Ammo by 6.
Nade Launcher has 3 charges, but reduce the damage of each to 650.