| Research Purpose:Analyze the competition video of Xu Xin/Liu Shiwen and Mizutani Jun/ITO Mima facing the same opponent in recent years,and conduct detailed data comparison and analysis from the overall aspect and the technical and tactical details of each player,and summarize the two The technical and tactical characteristics of the two pairs,and conduct the comparative analysis of the two pairs of combined technical and tactical characteristics.To find out the advantages and disadvantages of the two pairs in the game,provide a certain reference for the Chinese Table Tennis Team to prepare for the 2020 Tokyo Olympics mixed Doubles event.Research Method:This paper uses eight rounds of three-stage method,video observation method,comparative analysis method,mathematical statistics method,literature data method and other methods to analyze and study the two pairs of combinations,and compare the advantages and disadvantages of the two pairs in each stage of each round.Find a way to achieve victory with the Japanese pair.Research Results:1.Comparison of the overall data of the three segments.There is a small gap in terms of scoring rate,the two pairs are about 70%in the service stage,and about 50%in the receive stage.There is a great gap in terms of deadlock stage,the Chinese pair is 48.41%,and the Japanese pair is 39.57%.There is no significant difference in terms of utilization rate,the two pairs are about 30%in the receive stage,and about 35%in the service stage.There is somewhat different in the deadlock stage,the Chinese pair is 33.59%,and the Japanese pair is 37.03%.2.Service round:The serve point is concentrated on the center area of the B-1/3 semi-launch.In the service round of male players,the use rate and scoring rate of the first and third strike of the Chinese and Japanese pairs are more than 50%.The strong attack after serving is the main strategy of the Chinese pair,which lead to a weak lead.When entering the deadlock stage,the number of active stalemates have increased.The use rate and scoring rate of the two pairs are both around 45%.The Japanese pair has a higher use rate but lower scoring rate than that of the Chinese pair.In the service round of female players,the two pairs of connects the first and third strike.The use rate and the scoring rate of the Japanese pair are similar.The Japanese pair mainly focuses on the control tactics after the serve,while the Chinese pair prefers the attack tactics after the serve.After entering the deadlock stage,Chinese pair mostly use active stalemate,while Japanese pair have more passive stalemates.3.Receiving round:For male players,the Chinese and Japanese pair are mainly based on the tactics of receiving the serve and receiving the serve.The second and fourth strike connection usage rate of the Chinese pair is similar to that of the Japanese pair,but the scoring rate is lower which is less than 50%.The usage rate of the Sino-Japanese pair in the stalemate stage after the sixth strike is about 30%,but the score rate of the Chinese pair reached 51.11%,which is much higher than the 38.64%of the Japanese pair.For female players,the Japanese pair second and fourth strike connection usage rate.Both the use and scoring rate are higher than the Chinese pair,while the stalemate use rate and scoring rate of the Chinese pair are higher than the Japanese pair.Research Conclusions:(1)From the perspective of the overall three stages,the two pairs in servicing and receiving stages are similar in style and close in strength.The Chinese pair has only a slight advantage.In the deadlock stage,the Chinese pair has obvious advantages,and the stalemate score ability is better than the Japanese pair.(2)Service round:In the selection of the serve point,the four players all focus on the semi-launch zone,and strive to limit the opponent’s direct counterattack to create opportunities for their third strike attack.The male player’s serve round,Xu Xin’s threat of serve is weak,Liu Shiwen has excellent ability to score the third strike serve,and the Chinese pair cooperates more tacitly in the deadlock stage,and actively launches the offense,but the Japanese pair has a stable defense and the Chinese pair of service rounds did not pose a sufficient threat to the Japanese pair;female players serve round,ITO Mima has better serving ability,relying on the control tactics after serving to create offensive opportunities for Mizutani Jun.Liu Shiwen has a strong offensive ability and continues to insist on offensive tactics after serving,forcing the Japanese pair to enter a passive stalemate.(3)Receiving round:male players receive round.The two pairs have a stable overall performance and fewer mistakes.Among them,the Japanese pair has rich tactical changes in the second and fourth strike.The combination of receiving tactics and receiving and controlling tactics.The quality of the ball returned is higher,and the scoring rate is higher than that of the Chinese pair.In the deadlock stage of this round,the Chinese and Japanese pair performed similarly;the female players received round,the Japanese pair attacked aggressively when the second and fourth strike were connected,with various technical and tactical changes.The overall performance was even better,and they were stalemate when entering the sixth stirke.The winner will be decided before the stage.Only when the Chinese pair forces the Japanese pair into a defensive state in the attack,can it drag the game into a deadlock stage,and then exert its own technical and tactical advantages. |
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