What is MMR in League of Legends and why is it a hidden mechanic ?

MMR or Matchmaking Rating is a feature in League of Legends that is used to match players who have similar skill levels.

What Is My MMR? - League of Legends MMR Checker (NA)

How does this make any sense???? : r/HuntShowdown

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How to Calculate MMR In League of Legends: - Eloking

Calculate your MMR League of Legends MMR Checker

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What is MMR in LoL

What is My MMR? ▷ How MMR Works in League of Legends

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