MMR stands for matchmaking rating. It is a hidden score that calculates where you stand compared to every other League of ...

Riot Games will be introducing a new MMR system for League of Legends season 14 and then eventually move on to a more robust ranked feature called TrueSkill 2.

MMR or Matchmaking Rating is used within League of Legends as a means to identify the skill level of a player. However, players often confuse it with the LP that is shown to them after every match. Ad ...