The MMR's official explanation is a "scam"

[Cestea-1454]

@Carnivore-2587

I was doing achievements

Then say so, otherwise it certainly looks like you tried to scam the system since you made a whole post about your complaint about it.

[Lznad-1342]

@Cestea-1454

Then say so, otherwise it certainly looks like you tried to scam the system since you made a whole post about your complaint about it.

Read the first paragraph of his original post, he did say so.