MMR (Matchmaking Rating)
A hidden or visible numerical value used by matchmaking systems to estimate a player's skill level. MMR is updated after each match based on outcome and the relative skill difference between opponents. Games like Dota 2 and League of Legends use MMR to drive their ranked queues.
Related Terms
Elo
A rating system originally designed for chess that assigns a numerical score to each player based on their performance against others.
Rank
A tiered designation — such as Bronze, Silver, Gold, or Diamond — that broadly represents a player's skill level within a game's competitive ladder.
Ranked Queue
A matchmaking mode within a game where players compete for rating points in official ladder standings.
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