Research On Techniques And Tactics Characteristis In Different Periods And Scores Of Men's World Cup Soccer Match

In recent years,the development of football games tend to be faster paced,on the offensive and defensive momentary replacement,the player's competitive ability is more comprehensive,on this basis to do more kinds of offensive tactic.How to capture the rules of competitive performance of the athletes in the competition is an urgent problem to be studied.The purpose of this paper is to through expert interview and data analysis will belong to several technical indexes of classification according to the features of attack and defense,and the team's performance in different competitive conditions through the in high level football games,reading and provide new ideas for understanding the game of football coaches and athletes solutions.The present study for high level football match tactics performance at home and abroad from the overall or specific tactics,the pace of the game,the best scoring period,score continuous change and other aspects,but generally ignored the relationship between time and score goals with other technical statistics,to fully show the laws of competitive process project.But the football competition stage refers to the development paragraphs in the process of competition,which includes the fixed development stage based on time,and the non fixed development stage with gains and losses divided into nodes,and there is a certain interaction between the two.Therefore,it is necessary to start from the characteristics of the competitive process of football match,and take the two dimensions of time and score status to examine the change rules of many technical statistics indicators,in order to show the characteristics of technical and tactical performance,and provide reference for training and competition of high level football matches.Based on video analysis,mathematical statistics and case analysis,the statistics of goals and skills and tactics in the 47 matches of the last 3 men's World Cup are surveyed,and the characteristics of competitive performance under time and score are investigated.1,from the goal of the characteristics of the first half of the second segment relatively less,the second half of the front and the rear are relatively more;goals are more in a flat and 1 ball lead.2,expansion,equaliser and recovery are mainly concentrated in the second half of the second half and the second half of the second half.In the first half,the second half and the overtime period,the team's performance is relatively stable,and the middle part of the game is increased.At the end of the game,it shows the control of the ball,the saving of attack and the simplification of defense.3,changes in the state of different goals lead to the score for the team's athletic performance will produce different effects,among them,non final stage low difference,the athletic performance goals will be slightly strengthened or refined,stability usually keep a clean sheet;non final stage score on the score,usually will reduce the attack,remain stable the final stage of low loss side;the difference is,the goal will enhance and simplify the defense,will strengthen and streamline the ball attack.