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 500 over 2s.
Reduce the Cooldown of Nade Launcher by 0.5s.
Heal for 180 for each enemy hit with Nade Launcher.
Generate 3 Ammo after getting an Elimination.
Increase your maximum Health by 250.
Nade Launcher has 3 charges, but reduce the damage of each to 650.