Codechef Rating Mechanism

My Codechef: mksingh458

Take a look at my ratings ( specifically LunchTime Ratings, which is dropped to about 1★ ). I agree with my overall rating, but the Lunchtime Ratings do not seem right.
@vijju123 @admin

What Codechef seems to do is first calculate overall ratings and based on changes in overall ratings the individual contest ratings.


  • Maybe Codechef should calculate individual ratings first; then, the overall ratings should be changed according to individual contest ratings, not the other way around.

Individual contest ratings and overall ratings are calculated independent of each other, both roughly following the mechanisms mentioned here.