[emrekzd]

Very cool. I'm wondering how you guys apply Glicko to this domain when all questions test different subjects.

[bkucukguzel]

The short answer is we simulate a game for each subject area skill tested by the question. There is a more technical explanation we added to the last part of the blog post.

[emrecan]

what is the benefit of glicko over elo?

[emrekzd]

https://en.wikipedia.org/wiki/Glicko_rating_system