instead of updating people's skill rating everytime just add their MasterOverwatch link http://masteroverwatch.com/ and add their current tier not Skill Rating
EX:
Forum name Battle.net ID Role Favorite character(s) Level (and prestige) Tier (SR)
Famous Lotus#22491 Support / Offensive Mercy, Tracer, McCree 76 Gold/ http://masteroverwatch.com/profile/pc/eu/Lotus-22491 ( in a fancy link or smth )