Based On TOPSIS And RSR Evaluation On The Offensive And Defensive Ability Of Chinese Super League Team In 2020 Season

China Super League is the top football platform in China,and its competition level is the embodiment of China’s football level.The improvement of the league level is bound to drive the development of national football level.Each team is a component factor of the Chinese Super League,and the most direct performance of the team level is its offensive and defensive ability in the game,so it is of great significance to evaluate the competitive ability of the team.Through consulting a large number of literature on the offensive and defensive indicators of football matches,the author conducts primary selection,and then confirms the indicators that can represent the offensive and defensive ability of the team after expert interviews.Using video review and other methods to collect the representative data of offensive and defensive ability of 48 games of 16 teams in the second stage of 2020 season.After t-test of the statistical data,the indexes of offensive and defensive ability related to the second stage of 2020 season are selected.Finally,the selected index data is sorted and graded by TOPSIS combined with RSR.The results show that the combination of TOPSIS and RSR can sort the team’s offensive and defensive ability more accurately,and the ranking of each team after TOPSIS is not completely consistent with the final ranking of the league;according to the RSR classification of offensive and defensive ability,Evergrande,Luneng,Suning and Guoan rank first;Shenhua,Shanggang,Jianye,Dalian people,jiazhaoye,Fuli,TEDA and Dangdai rank second Second,Huaxia,Huanghai,Yongchang and Zhuoer are in the third;in terms of offensive ability,there are significant differences between the third team and the first team in seven indicators,such as the number of goals,the shooting accuracy and the ball control rate in the other half;in terms of shooting accuracy,there are significant differences between the second team and the first team;in terms of defensive ability,there are significant differences between the third team and the first team The results showed that there were significant differences in the success rate of rescue and snatch.There are significant differences between the second and the first level teams in four indicators,such as the success rate of steals and the number of pinches;there are no significant differences between the third level teams in seven indicators,such as the scoring index and the success rate of forward passing;in addition,there is no new competition pattern in 2020 season.