MMR scores start at 0, and that would be a representation of an Iron IV player who can’t win a game to save his life. MMR can go all the way up to 2500 and above, and a player with that rating ...

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. The new MMR is being introduced ...