Single stage- All teams play Round Robin
- All teams play 5 matches
Stage 1- 2 groups of 5, 5 teams.
- Teams play Round Robin inside groups
- All teams play 4 matches
Stage 2- From the stage 1 ranking list, 5 new groups are formed in order
- Group 1: 2 teams play for places 1-2
- Group 2: 2 teams play for places 3-4
- Group 3: 2 teams play for places 5-6
- Group 4: 2 teams play for places 7-8
- Group 5: 2 teams play for places 9-10
- Teams play Round Robin inside groups
- All teams play 1 matches
Stage 1- 3 groups of 4, 4, 4 teams.
- Teams play Round Robin inside groups
- All teams play 3 matches
Stage 2- From the stage 1 ranking list, 4 new groups are formed in order
- Group 1: 3 teams play for places 1-3
- Group 2: 3 teams play for places 4-6
- Group 3: 3 teams play for places 7-9
- Group 4: 3 teams play for places 10-12
- Teams play Round Robin inside groups
- All teams play 2 matches