Bad crosshair placement = easy overwatch ban.
80% rifle headshots(100% deagle lol) even when you aim at ground.
+ I'm 70% sure you had wallhack.
BONUS:
*DEAD* Not TryingHarD : report aim machina
Not TryingHarD : aimbot
SaapasMies : pls no homo
Taikaparta #FROMSILVERTOGLOBAL : rapported
They tried to kick you in ~5th round.
After they didn't kick you, they run in your bullets and you get ban for teamkill. Nice.