Algorithmic Handicapping (MMR) is Wrong for Overwatch

Matchmaking is strictly made on MMR, but it also factors in groups since Competitive isn’t solo-queue only.

First, check Kaawumba’s topic. It has everything Blizzard has said about matchmaking (in particular see the References section)

The entire thing about SR and MMR is that I always found it to mean that you have your MMR that’s used in matchmaking, but it’s not a human-friendly value to read (that part about not for human readability is a Blizzard statement). I always took it to mean that your SR is a human-readable translation of your MMR, and the reason both SR and MMR exist and not only SR is the inactivity decay factor.

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