Question about ratings

I recently participated in the October challenge and got to a certain rank. Nevertheless, my rank remains 0. I did get a green star with the number 2 next to it so I was wandering how does the ranking works and how can I increase my numerical rank.
Thanks in advance

Resulted stars appear earlier than the numeric rating is given, most likely your rating has been decided but it takes time to make changes on all pages.

Have patience my friend