I Don't Understand The SR System

Competitive Discussion
3
  1. No
  2. They don’t
  3. Elo (not an acronym, it’s a guy’s name), is a rating system in chess, that is the grandfather of most modern game rating systems, including the one used in overwatch. Elo rating system - Wikipedia. When people talk about high Elo games, they should be saying high SR/MMR. For SR vs MMR see How Competitive Skill Rating Works (Season 13), especially the summary → “Summarize matchmaking, rating, and progression for me”.