| As we all know,football is one of the most influential sports.With modern football development,competition degree is more and more fierce,rhythm is more faster and faster,foul also increased gradually,The difficulty also gradually increase the referees' decisions,make the referee error,sentenced to increase gradually.The public opinion some of the decisions of the referee will be huge debate,a referee decisions is critical because it is likely to affect the result of the match.So that a few years of effort.Countries all over the world attach great importance to the cultivation of referees in their own countries.Although there are a lot of training and practice opportunities,football is round after all,and all cases will not be the same for the second time.Therefore,it is far from enough to improve the accuracy of referees' decisions.In an effort to make football more fair and just,FIFA also adopted the use of video retrospective analysis in 2016 to help referees with decisions and improve accuracy.In China,a lot of efforts have been made to improve the accuracy of referees' decisions.By increasing the bottom line of referees,including last season when foreign referees officiated the key matches,the goal is to make the matches more fair and just.This year,China also introduced professional referees,including top Chinese referees and foreign referees,who have rich experience in law enforcement,but still cannot guarantee the accuracy of every decision.So from 2018,China also officially introduced the video assistant referee system,also known as VAR technology.In this paper,methods such as literature review,video analysis,expert interview and mathematical statistics are used to study the intervention of video assistant referees in 240 matches in 30 rounds of the Chinese super league football season 2019.The main research results are as follows:(1)The Chinese Super League officially introduced VAR in 2018,and the overall benefits outweigh the disadvantages.VAR work of the Chinese super league has been widely recognized by various clubs,athletes,coaches,news media and fans.From the aspects of ensuring more fair and just matches,maintaining the order of the Chinese super league and following modern science and technology to assist referees in law enforcement,it is necessary to introduce VAR technology,which is a very important milestone in the development of football.(2)Since the beginning of the use of VAR in the Chinese super league,VAR has gradually become a part of football matches.All the match officials have overcome great pressure,worked together and supported each other,demonstrated good team spirit,and ensured the smooth implementation of VAR work.Its existence has also been gradually accepted by the broad masses,and it has provided a solid foundation and guarantee for the development of football.It is believed that in the future there will be more high-tech applications in football fields and training grounds,such as the introduction of 3d virtual offside line technology.Therefore,it is critical to use VAR in a reasonable way at the right time.There is any "technical use" aspect in the research results,such as "white paper" used by VAR referees whencomparing offside parallel lines,and how to comment;the Chinese super league added 3d technology of offside parallel lines in the second stage,which needs to be supplemented.(3)The intervention of VAR sometimes affects the smoothness of the game and reduces the enjoyment of the game,but it also brings more fair and just results to the game.VAR and other game officials have gradually improved their understanding of the video assistant referee protocol,and their confidence in the use of VAR technology has grown.It is believed that with the development of science and technology and the improvement of referees' professional level,these problems will be gradually solved one by one,and by then the CSL and other leagues at all levels will become more exciting,fairer and healthier.(4)From the effect of the use of VAR,it can be seen that the results of this season's Chinese super league matches are more objective and fair,and the referee's work of law enforcement has not become the focus of the news media habitually,thanks to VAR.VAR techniques introduced in the referee's decision has played a very significant help,raised the actions of the Chinese super match accuracy,reduced the significant errors found,gives the probability of misjudgment and flavour of effective improvement,improve the ball penalty decisions correctly,regulating the behavior of the players on the pitch,reduced the incidence of serious foul and violence,and promote the football sport towards healthy development. |
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