The player does not have to declare until they have used their entire hand to form valid sets and sequences. A complete comprehension of the rules, including the kinds of permissible combinations, iyono games necessary to succeed in Rummy Circle. These consist of sets (three or four cards of the same rank but different suits), impure sequences (including a joker), and pure sequences (three or more consecutive cards of the same suit). Also, players need to understand the guidelines for drawing and discarding cards. It's possible to learn a lot about opponents' hands by watching how they discard.
