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Elimination system

Competition form
Knockout (KO for short) is a form of competition. The negative side of each game will be isolated from the champion or championship, but it does not mean that the negative side will not have any more after being out of the game match , the losers of some competitions still need to compete for ranking“ Ranking contest ”Or "Heritage Competition".
Chinese name
Elimination system
Foreign name
knockout
Abbreviation
KO
Nature
A form of competition
Number of participants
Multiples of two
Exceptions
Wheelset

rule

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Usually, the number of contestants in elimination competitions is a multiple of two, for example Wimbledon Tennis Match There are 128 players in the singles event, which can ensure that both sides of each round of competition have the same number of matches. Match matching can be arranged in advance or decided after each round of competition. If there is no bye, half of the participants will be eliminated in each round of competition. When there are 8 remaining participants, this round of competition is called "quarter final", The next four contestants are "semi final", and the winner will be in the "final" or championships (championship round) Meet and decide the reputation of the champion.

Wheelset

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When the number of contestants in the knockout competition is not the square of two, some contestants are allowed to automatically enter the next round of the competition by "bye". Usually, the preference of bye will be given to the contestants who rank higher in the competition, such as Championship League and Premier League The team in the league FA Cup You can directly participate in the third round of official competition.

pair

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The elimination competition can be matched by drawing lots at random, but in order to avoid the popular contestants being out of the competition in the earlier rounds and affecting the observability of the competition (including the box office income of course), the competition sponsor will adopt seed Match and arrange the competition. The two contestants with the highest ranking will compete on two separate lines. If there is no unexpected result, they will meet in the final.

Double elimination competition

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Because the negative side of the elimination system competition will be out, the competition is very fierce and can accommodate a large number of participants, so it has become the competition form of many competitions, but most of the participants have only a few matches, so some competitions use Double elimination system In the double elimination tournament, let the loser continue to participate in the elimination competition of the loser. The winner is“ Defeat Department Resurrection ”, you can fight with the winner of the winning team again to determine who belongs to the champion.