-- every team to have one player each against different teams and in 2 rounds.
中秋节“老、青、少”象棋邀请赛
-- 3队每队8位棋手，以一轮决胜负。
For this method, every team to split into two half-team and play against 2 teams at the same time in one round as below :
3 teams -- 1 round (中秋节“老、青、少”象棋邀请赛)
5 teams -- 2 rounds
7 teams -- 3 rounds (“七雄夺金马“ in 2002, 3 rounds)
9 teams -- 4 rounds
11 teams -- 5 rounds
This method is to reduce the time of round robin system by half but there is a need to double the size of the team (e.g. in this 中秋节邀请赛, need to have 8 players instead of 4 players, to play with the other two teams at the same time), and the total number of teams is an odd number instead of the usual even number.
By the way, 2009 雅柏广场联谊赛 is to be held on 27 Sep 2009, Sunday. (News updated just a few days ago.)
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