1. The competition will adopt the elimination system. Before the competition, lots will be drawn to determine the personnel and schedules of each group. After each round, the opponents in the next round will be decided by drawing lots again. If the partners can't participate in the competition on time for some reason, it will be deemed that both parties give up the competition automatically. The poor team will automatically take a bye to enter the next round of lottery.
2. Competition promotion adopts 6-game integral system. 2 points for each game, using the rule of 1-3 points, that is, the players in the same group win and get 1, 2 places and 3 points. 1, 3 people get 2 points. 1, 4-digit product 1 min. After six games, the player with the highest score will be promoted. If the points are the same after six games, an extra game will be played and the winner will advance.