| The 2018-19 season has seen reform in the Chinese basketball association(CBA),increasing the regular season to 46 rounds from 38 last season.CBA,as the cradle of selecting national men’s basketball players,has greatly influenced the development of Chinese men’s basketball.At the same time the number of playoff teams from the original 10 to 12,increased the confidence of the teams,the game is more intense.In this paper,using the literature material method,interview method,mathematical statistics method,video observation,logical analysis and TOPSIS analysis with a 2018-2019 season CBA season among the four team offensive and defensive ability as the research object,objective and comprehensive analysis for the last four team offensive and defensive ability,under the background of the reform of the CBA league,and to provide theoretical reference for CBA team’s offensive and defensive ability,and provide theoretical basis for the development of Chinese basketball.The results are as follows:(1)there is no significant difference in height,weight,age and ktolet index among the top four teams in the regular season,but xinjiang players have better physical qualities.Three teams from guangdong,liaoning and xinjiang have experience in finals,but shenzhen has no experience in finals and is not stable in critical moments.(2)in terms of attack: guangdong team scoring ability is outstanding,quick counter attack "steady,accurate,fast",domestic young players lack experience,offensive enthusiasm is not high,sometimes the attacking line players handle the ball is not reasonable;Liaoning team attack desire is strong,tandem team attack ability is excellent,but easy to be impatient,the center position player configuration is not reasonable;Xinjiang team attack fluency,the inside line ability is strong,but too dependent on foreign aid,domestic players play less stable;Shenzhen team attack from the inside and double small foreign aid stable play,but the forward players attack ability is poor,the team tandem degree is low,the attack is not smooth enough.(3)in terms of defense: guangdong team has a flexible front line and a large defensive coverage.The team’s lineup configuration is more in line with the basketball development mode of "small,fast and accurate".Liaoning guards and forwards pay attention to protect the defensive rebound,the ability to steal outstanding,but the post players are not flexible enough,the inside defensive pressure;Xinjiang team block and steal outstanding ability,but the ability to destroy the opponent to pass and receive the ball is weak,fouls more;Shenzhen team inside height arm long footwork is agile,but some players exist "etc." "depend on" "pick up" phenomenon,offensive line players at both ends of the difficult to give both sides.(4)through TOPSIS analysis:it can be concluded that the offensive Ci value,defensive Civalue and overall offensive and defensive Ci value of the three teams from guangdong,liaoning and xinjiang are all above 0.5,belonging to the stronger teams.Shenzhen team is less than 0.5,belongs to the weaker team.The ranking of Ci from high to low is as follows: xinjiang,liaoning,guangdong and shenzhen;The ranking of defense Ci value from high to low is: guangdong,liaoning,xinjiang,shenzhen;The overall Ci value of offense and defense is ranked from high to low: xinjiang,guangdong,liaoning and shenzhen.(5)TOPSIS analysis of players in different positions: guangdong forward and center,liaoning guard and forward,xinjiang center,shenzhen guard and center are strong in offense and defense,with offense and defense Ci above 0.5;Those with strong offensive ability are guangdong forwards and centers,liaoning defenders,xinjiang centers,shenzhen defenders and centers.Strong in defensive ability is the guangdong forward and center,liaoning guard and forward,xinjiang center,shenzhen center,defensive Ci is above 0.5. |
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