 At the initial stage (regular season) all ten teams played each other in a double round robin system.In stage 2 (group stage 1), the first six teams from the regular season played in a single round robin in each group.In stage 3 (group stage 2), the first five teams from group stage 1 played in a round robin in group A whereas the four teams in group B plus the relegated team from group A played round robin classification matches in group B.