P.S. not sure how many gamers we have on HN, but I've been working on a rating tracker feature for Overwatch teams (thread here[1]). It's not released yet, but if you'd like to help test, shoot me an email (in bio) and I'll send you a beta code to try it out.
[1] https://www.reddit.com/r/Overwatch/comments/67sbz2/ive_been_...