On this website, sections are called "buckets".
You enter the tournament with a zero rating. Ratings will be (re)set with the next batch, and fixed after the sign-up deadline.
When we feel, or if you tell us, that you are currently underrated (e.g. very high RD after years of not playing on FICS), we may adjust your rating to a value that we consider most fair. You are notified about the intended adjustment, and may withdraw from the tournament, if you like.
The bucket number and sizes depend on the number and rating gaps of the participants.
If previous winners opt to play up one bucket, the lowest seeded player(s) of the higher bucket may need to swap buckets with them.
Buckets are named after important places in the history of chess: Astana, Buenos Aires, Chennai, Dubai, Elista, ...