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It seems the number of rounds will be equal to the number of players in a group. Since participants don't want to play for half a year, there will likely be 4 groups of 6-7 players each.
If there are 6-7 participants in a group, when specifying the factions that each tournament participant will play, there should be no repetition of any of their factions more than 2 times.
Opponents in pairs will be determined by drawing lots...
When can we expect these groups to be announced?