In order to take part in the competition, allparticipants, choreographers, and dancers have to have completed professionaltraining. Choreographers must not be older than 35 years. The length of theperformance is limited between 5 and 12 minutes. A solo ballet cannot beinterpreted by the choreographer him/herself. Subject and music are free ofchoice. These few stipulations enable the contest to be open to all styles ofpresentation. Judging concentrates only on the creative use of space and time, the interpretation of an idea, and the way this is adopted by theperformers.