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.
Reduce your active Cooldowns by 32% after getting an Elimination.
Generate 5 Ammo after activating Commander's Grab.
Heal for an additional 240 after activating Battle Shout.
Generate 8 Ammo after activating Battle Shout.
Increase your maximum Ammo by 15.
Increase your Attack Speed by 40%, but reduce your damage-per-shot by 25%.