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.
Heal for an additional 240 after activating Battle Shout.
Increase your maximum Health by 750.
Generate 4 Ammo after activating Battle Shout.
Increase your maximum Ammo by 9.
Generate 15 Ammo after activating Commander's Grab.
Targets hit by Commander's Grab are Stunned for an additional 1.4s.