None of them.
I dont’ play against bots
I did just a handful of live games (not blitz) in the last months
I used to play 9x9 and 13x13 but I don’t any more since january 2018.
Since then my rank went from 8k down to 12k and then up again to 8k.
I could obviously be my fault, not necessarily a bug.
Also @mekriff could be right: it could just be a coincidence that the rating system was recalculating the batch of 15 games precisely while I was losing that single game. It could happen.
But because of the already mentioned lack of informations about these calculations, we are all just making suppositions. I still really don’t understand why our beloved devs are so shy about this topic.
Let me quote myself:
Please, forgive me, but when I hear something like “I think it has to do with…” or “A lot of factors go into how each number changes”, it sounds to me like this:
