| Objective: with the development of football skills and tactics and training, football game is more advanced. This manifests itself in the play offensive and defensive techniques and tactics of both sides, and the game, both teams fierce challenge the degree of enjoyment and entertainment, and so on. On the stage in the World Cup, to win the final victory, national teams before the game are discussed with the practical skill and tactics in order to win the game. But in order to get the ultimate champion will have to have a good defense. Modern high level soccer match increasing demand for the team’s defensive ability, a high level of football competition, the defensive ability of the team used to play a key role in the outcome of the game as a whole. Similarly, the team’s defensive ability has become an important part of modern football tactics.Research methods: using literature, statistics, video observation method of the 20 th World Cup round of 16 knockout stage forced the defensive tactics of the team research. Specific through 6 a part for analysis and described: 1. forced type defense in game in the using times factors of analysis; 2. forced type defense in game in the occurred field characteristics of analysis; 3. forced type defense time characteristics of analysis; 4. forced type defense main participation number and the effect situation of analysis; 5. forced type defense in the personal defense means using situation of analysis; 6. forced type defense success and failed factors analysis.Results: The study subjects statistics, 16 games use CPC forcing- defense 879 times, 673 times a success, the success rate of 76.6%. Use most often up front, followed by midfielder backcourt least. Time to complete the required forcing-defense mainly concentrated in 1-6 seconds, accounting for 91.4% completion time overall. The main number of participants completed the Forces for the Defence of 1-4 people, accounting for 92.9% of the total number of completed.Conclusions: Impact on forcing- defense use of the number of factors derived from the score, each team defense policy factors, factors stage race, both the strength of factors, physical and other factors. In front of each team is forcing- defense tactic largest number of region; forcing- defense on the completion time is mainly concentrated in the 2-6s completed the successful completion rate increased over time reduced; all rely mainly on forcing- defense overall mobile players, displacement, compression, press, steals to complete. Use of personal persecution, group persecution, forced the main basis for the overall reality of the game, the main person involved in persecution based on the location of the ball, which is the key to the first person to persecution; forcing- defense tactic to delay the opponent can achieve the purpose of attack, large most cases of the formula that oppression closing down opponents, and most members of the Forces is the result of mutual defense with the completion of which is the use of the most steals with a kind of tight-fit and marking or chase stare forcing- defense the success rate of less than steals the ball, the defensive foul and other means; forcing- defense tactic attack effect is greater than the effect of delaying, in front using forcing- defense is more aggressive; Factors Influencing forcing-defense tactic success lies in mutual cooperation with team members, the degree of tacit understanding between teammates, forced to grasp the opportunity, personal defense technology greatest impact on the success of the Forces defense. |
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