We use this skill rating in matchmaking to ensure even, fair matches. Skill / MMR: Skill refers to how 'good' a player is, and MMR (MatchMaking Rating) is the numerical representation of skill for a specific playlist as measured by the TrueSkill2 system.TrueSkill2: The underlying system that is used to understand as accurately and quickly as possible how skilled each player is relative to the population of players.
