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 390 after using Grumpy Bomb.
Heal for 225 after using Poppy Bomb.
Reduce your active Cooldowns by 16% after getting an Elimination.
Increase your maximum Ammo by 4.
Heal for 45 for each Sticky Bomb you Detonate.
Increase the radius of Sticky Bombs' explosions by 20%, but reduce maximum Ammo count by 2.