Research On Winning Strategies Of Outstanding Female Table Tennis Athletes Based On Association Rules

This study analyses the matches of outstanding women’s table tennis players Chen Meng,Sun Yingsha and Ito Misaki,dividing them into three segments,determining the indicators to be observed in each segment,and applying the Apriori algorithm in the correlation rules,inputting the corresponding data to correlate them in layers,and finally obtaining the interrelated results.In this way,the pattern between the player’s technique,landing point and line and the score in each beat can be obtained,and the player’s winning routine in the match can be identified.The results of the study show that:1 Chen Meng’s winning routine:Chen Meng’s three technical benefits are two good and one excellent,and the strength of the three sections is more balanced.The main technical routines of the serving section:forehand serving→twisting and pulling→backhand attacking(?)scoring;line routines:diagonal line→diagonal line→ diagonal line(?)scoring;landing point routines:positive short→medium long→counter long(?) scoring.The main technical routine of the catching section:backhand attack→backhand attack→ backhand attack(?)score;line routine:left middle line→middle left line→left middle line(?) score;landing routine:middle long→ reverse long→middle long(?) score.The main technical routine for the penultimate three beats:forehand attack→forehand attack→ backhand attack=>score;line routine:straight line → diagonal line→ diagonal line(?) score;drop routine:reverse-length→reverse-length→forward-length(?) score.2 Sun Yingsha’s winning routine:Sun Yingsha’s three technical benefits are all good and her strength is balanced.The main technical routine for the serving section:forehand serve→short swing→forehand attack(?) score;line routine:straight line→diagonal line→ diagonal line(?) score;landing routine:short positive→counter-long→counter-long(?) score.The main technical routine of the catching section:split long→ backhand attack→backhand attack(?) score:line routine:centre-right line→diagonal line→left centre line(?) score:drop routine:counter-long→counter-long→centre-long(?) score.The main technical routine for the reverse three-beat holding section:backhand attack→forehand attack→backhand attack(?) score;line routine:left middle line middle right line→diagonal line(?) score;drop routine:middle long→reverse long reverse long(?) score.3 Ito Makoto’s winning routine:Ito Makoto’s three technically effective hair-strike sections are failing.while the receiving and holding sections are good.The main technical routines of the hair grab section:hook hair→split long→backhand attack(?)score:line routines:straight line→straight line→ diagonal line(?) score:drop routines:square short→reverse long→reverse long(?)score.The main technical routine of the catching section:swing short→split long→backhand attack(?)score;line routine:diagonal line→diagonal line→diagonal line(?) score:drop routine:reverse long→reverse long→reverse long(?) score.The main technical routines for the reverse three-beat holding section are:backhand attack→backhand attack→forehand attack(?) score:line routines:diagonal line→ middle left line→middle left line(?) score:landing routines:reverse long→ middle long→forelong(?) score.4 The existence of a common winning routine for good women’s table tennis players:it is expressed as a technical routine for the sending-off section a:opponent’s chop long→forehand attack(?) score:b:opponent’s chop long→backhand attack(?)score:line routine:sending a straight line→ straight line→ diagonal line(?) score;drop routine:sending a positive short→ counter-long→counter-long(?)score.The line routine for the catching section:diagonal line→diagonal line→straight line(?)score:the drop point routine is:reverse long→reverse long→reverse long(?) score.The line routine for the holding section on the last three beats:straight line→diagonal line→ diagonal line(?)score.5 Excellent female table tennis players have individual winning routines:association rule mining generated 71 association rules for Chen Meng.76 association rules for Sun Yingsha and 42 association rules for Ito Misaki.Chen Meng and Sun Yingsha have more sets,while Ito Mishou is more of a clinical player.Chen Meng mostly develops her winning routines around her backhand technique and is good at using repetitive routes and has a variety of route combinations;Sun Yingsha’s winning routines are mainly based on her forehand technique,with defensive counterattacks as the key routine;Ito Mimei mainly uses her backhand technique to organise her routines,with her forehand attacking and "change" as the key point.