If there are four teams, it is usually a round robin, that is, each team will meet, and the one who wins the most games will be the champion. If there is the same winning situation, it will be counted according to the number of wins and losses first, and then calculated according to the points gained and lost in each game. Again, it will determine that the most interesting part of this "competition system" is to change the competition system according to the results between the two teams.
From the previous "big cycle, rematch and final" to "group ranking match, rematch and final", the competition of the project changed from the previous 9 games to 6 games.
Generally, there are the following competition systems: if there are few teams, the single round robin competition system is adopted: teams meet, that is, each team has to compete; The advantage of this competition system is that the participating teams have more competitions, which is conducive to exercise and improve their level. Disadvantages are many times and long time.
If there are many teams, it is usually a single elimination system and a lottery. Every two teams compete, the winning team enters the next round and the losing team is eliminated; The advantages and disadvantages of this competition system are contrary to the single round robin competition system. It is often used in Weiqi matches, because the time of Weiqi matches is too long. Mixed competition system: group single cycle, second stage elimination system. This kind of competition system is very common, and its advantages and disadvantages are between the above two.