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What are the changes in table tennis rules after 20 10?

The revision of sports competition rules has two purposes, one is to improve and improve the technology, the other is to break the balance and promote the development of the whole sport. Looking back at the history of the World Table Tennis Championships, it is not difficult to find this rule.

In the 36th and 37th World Table Tennis Championships, China team won the championship of 13 in two 14 competitions; Among the 18 athletes who participated in the team competition, 6 athletes used long rubber, raw rubber and rackets with different performances on both sides. European athletes are very uncomfortable with this style of play and racket of China and North Korea, and they call for changing the rules. Therefore, at the 37th ITTF General Meeting held during the 37th World Table Tennis Championships, the table tennis rules in ITTF manual of1981-kloc-0/983 were revised: racket: from 1984+ 1, regardless of the covers on both sides. Serve: restrict players from carrying opponents or let opponents serve invisibly; Players are not allowed to stamp their feet when serving. At the 38th ITTF Congress, people made it clear again that both sides of the racket, whether covered or not, must be red and black.

During the 200 1 Osaka World Championships, the scheme of 1 1 was adopted, that is, from September of 200 1 year, the table tennis competition was divided into 1 1, and the service was twice in each round. From the long-established 2 1 sub-system to 1 1 sub-system, the number of five serves per round will be reduced to two, which will inevitably have a great impact on the future development of table tennis. In February of the following year, ITTF adjusted the Olympic table tennis events. Starting from the 2008 Beijing Olympic Games, the previous men's singles, women's singles, men's doubles and women's doubles were changed into four events, namely, the doubles competition was merged into the third team competition. In 2003, the Olympic lottery system was reformed. Since the 2004 Athens Olympic Games, doubles players from the same country must be divided into the same half. In February 2008, ITTF passed a motion to restrict overseas legions, that is, from September of that year, athletes over 2 1 year old who changed their nationality could not participate in the World Cup and World Championships, and athletes between 2 1 year old and 21year old must be registered with relevant associations for five years. 15 ~ 6544. Athletes who have already represented other countries are not subject to this restriction. In 20 10, ITTF proposed that since the 20 12 London Olympic Games, the number of applicants for singles competitions in various countries has been reduced from 3 to 2. In 20 17, it was proposed to increase the mixed doubles competition, which was implemented from 20021Tokyo Olympic Games. In September of the same year, ITTF adopted a new world ranking calculation rule, that is, starting from 2065438+2008 1, based on the competition level and competition ranking, which means that the new scoring method abolished the previous calculation based on the final results (winning points and losing points) and encouraged athletes to participate in more competitions to improve the world ranking.