A Comparative Analysis Of The Gray Correlation Degree Of Scoring Loss Rate Of Lin Gaoyuan And Ma Long Of Table Tennis Players

As a "ping pong power",facing the 2020 Tokyo Olympics,the Chinese men's table tennis team is facing considerable pressure.With veterans such as Ma Long and Xu Xin facing retirement after the Tokyo Olympics,a new batch of Chinese men's table tennis players have also made their appearance in international competitions.Lin Gaoyuan ranked in the top four in the world in the 12th month of the 2019 ITTF men's ranking.It is especially important to maintain stable performance in international competitions.Ma Long,the leader of Chinese male table tennis,winner of Grand Slam.Ma Long has always performed well in the international arena and played stable,but at the end of 2018 due to a knee injury,he retired from the game and returned to the Qatar Open in 2019.Studying Ma Long's game after his comeback in 2019 can evaluate his competitive status after his injury return and provide a theoretical reference for his future training plan for the Tokyo Olympics.This article selects Lin Gaoyuan and Ma Long in 18 international competitions in 2019 to face well-known foreign athletes.The semi-finals and finals are mainly used.First the dynamic three-segment statistical method is used to calculate the technical and tactical indicators required for this study.,Then calculate the grey correlation degree of the score ratio of various technical and tactical indicators,and finally sort and analyze the grey correlation degree.conclusion as below:1.In terms of serve,the two athletes have similar rankings for the scoring rate,and Lin Gaoyuan's ranking is higher than Ma Long's,indicating that Lin Gaoyuan lost more points directly.In the selection of serve points,both of them are mainly forehand short balls,the ranking of the degree of relevance is in the first place,the control of the opponent's offensive effect is better.The backhand short ball is the main point where the two players directly lost points,indicating that the point is easy to be directly pulled by the opponent to score.2.In the starting segment,Lin Gaoyuan and Ma Long's scoring rate are ranked first,indicating that serving offense is still the main link in the game.Lin Gaoyuan is more diversified in the use of specific offensive techniques.There are offenses in both forehand and backhand inside the table.Offside balls are mainly used in backhand arcs.Ma Long is mainly used in forehands and has fewer points in offense.3.In terms of receiving service,compared with Lin Gaoyuan's scoring rate,Ma Long ranks higher,and the ranking of loss rate is lower,indicating that Ma Long's receiving service is better than Lin Gaoyuan's.In the use of specific technology,Lin Gaoyuan mainly focused on backhand pull offensive attacks,but made more mistakes;Ma Long controlled more and made unnecessary mistakes less.4.In the receiving segment,Lin Gaoyuan's scores are better than Ma Long,indicating that it is very important for the receiver to take advantage of the points in the active butting segment.A more active receiving tactic makes the athletes more effective in the receiving segment.attack.5.In the stalemate segment,the rankings of the scores of the two players' scores are consistent,indicating that the current stalemate segment in table tennis matches occupies the main gains and losses,and "hard power" is becoming increasingly important.In terms of the use of forehand and backhand,the two have their own characteristics.Lin Gaoyuan scored more forehands than backhands,and Ma Long scored more offensive slashes than straight lines.In the stalemate state,the active state gets more points and the passive state gets more points,indicating that it is particularly important to occupy the active position in the first four boards and enter the stalemate stage.