(B) Introduction of badminton competition methods and main rules
1. events: men's singles, women's singles, men's doubles, women's doubles, mixed doubles, men's teams and women's teams. 2. The scoring method and rules of the new match: (1) Similar to the previous table tennis scoring method, the scoring system of 2 1 is adopted, that is, the scores of both sides reach 2 1 first, and the winner is decided in three games. After each game is tied at 20, if one side leads by 2 points, the game will win; If the two sides are tied at 29 and one side leads 1 point, the game will be won. (2) In the new competition system, every ball is scored. Except for special circumstances (such as the floor is wet and the ball is broken), players can no longer ask to interrupt the game. However, when one side leads 1 1 in each game, 1 minute will be suspended to allow both sides to wipe their sweat and drink water. (3) The scorer has the right to serve. If the scorer scores an odd number, serve from the left; Double the score and serve from the right. In the third or only one game, when the score of one side reaches 1 1 first, the two sides exchange venues. (4) There are many changes in the rules of doubles, and the text is difficult to express, so it can't be mapped for the time being, so it is omitted here. 3. Scoring method for old games: (1) Unless otherwise agreed, the competition is decided by the best of three games, and the team competition adopts the best of five games system. (2) Only the server can score. (3) The player who scored 15 in doubles and men's singles won a game. (4) The player in women's singles 1 1 wins one game. When doubles and men's singles are tied for 13 or 14 (women's singles are tied for 9 or 10), score 13 or 14 (women's singles score 9 points first) ② This choice can only be made before the first appearance of the specified score and the next serve. ③ If the draw is 13 (women's singles 9), don't choose "rematch". If the draw is 14 (for women's singles, 10), those who score 14 (for women's singles, 10) can still choose "rematch". (5) After selecting "rematch", scores will be reported from "0 to 0", and the player who gets the "rematch" score first wins. ① 13 draw lots, and the first team will give 5 points. (2)14, one side will get the third point if it is tied. 39. The draw will last until one team scores 3 points first. (4)10 draw, one side scored 2 points first. (6) Starting from the next game, the winner of the previous game will serve first. 3. Match position: Singles: (1) When the server scores 0 or even, both players should serve or receive the service in their respective right service areas. (2) When the server scores an odd number, both players should serve or receive the service in their respective left service areas. (3) In case of "rematch", the server will determine the ranking according to the total score of the match. If the total score is 15 (odd number), both players should serve or receive from their respective left tees; If the total score is 16 (even number), both players should serve or receive the service from their respective right service courts. (4) After serving, the players of both sides are no longer restricted by the service court, and can hit any position of the opponent's court freely, and players can also stand in or outside their own court. Doubles: (1) At the beginning of the match, the winner will serve from the service court on the right. (2) Only the receiver and the receiver can receive the service; If the opponent catches the ball or is hit by it, the server scores one point. (1) The player who serves first at the beginning of each game must serve or receive the service in the correct service court when his team scores 0 or even; When the score is odd, you should serve or receive the service from the left tee. (2) The player who receives the service first at the beginning of each game must receive or serve in the correct service area when his score is 0 or even; When the score is odd, you should receive or serve in the left service area. (3) The above two completely opposite forms of standing are suitable for your partner. (3) After the local server loses the right to serve in any match, the server will serve the player first, then serve the player's companion first, then serve by one of their opponents, and then serve by another opponent, thus transferring the right to serve. (4) An athlete shall not make a mistake in serving, and shall not serve twice in the same game. (5) The player who wins a game can serve first in the next game, and the player who loses can receive the service first. (6) After serving, it is no longer restricted by the service area. Players can stand freely in their own court and hit the ball anywhere in the opponent's court. 4. Competition rules: (1) Changing venues ① Athletes should change venues under the following circumstances: 1. The first game is over. Two. The third game begins. Three. In the third game or just one game until one side reaches 1 1. (2) The athletes failed to change venues according to the above rules, and it has been found that they should change venues immediately in order to get scores. (2) legal serve: (1) When serving, neither side shall illegally delay serving. Both the server and the receiver must stand in the diagonal service area to serve and receive the service, and their feet must not touch the boundary of the service area; Part of your feet must touch the ground and you can't move before serving. The server's racket must be hit on the bearer first, and the whole ball must be lower than the server's waist. ④ At the moment of hitting the ball, the club should point downward, so that the whole rack is obviously lower than the whole grip part of the server. ⑤ After serving, the server's racket must keep swinging forward until serving. ⑥ The serve must fly upward over the net. If it is not intercepted, it should fall into the service area of the receiver. (3) Badminton violation ① It is illegal to serve. ② The server misses the ball when serving. ③ When serving, the ball hangs on the net or stops at the top of the net after passing through the net. ④ During the game: 1. The ball landed outside the sideline of the field. Two. The ball passes through the mesh or under the net. Three. The ball never crossed the net. Ⅳ. The ball hits the roof, ceiling or surrounding walls. ⅴ. The ball touches the athlete's body or clothes. ⅵ. The ball touches other people or things outside the venue (due to the structural problems of the building, the local badminton organization may formulate provisional regulations on badminton touching the building when necessary, but its national organization has the veto power). ⑤ In the game, the initial contact point of the racket or the ball is not on this side of the batter's net (after the batter hits the ball, the racket can take the ball across the net). ⑥ During the game: 1. The player's racket, body or clothes touch the net or the support of the net. Two. An athlete's racket or body intrudes into the opponent's field to any extent. Three. Obstruct an opponent, for example, from legally hitting the ball near the net. ⑦ During the competition, an athlete deliberately distracted the opponent's attention, such as shouting and posturing. 8 in the game: 1. When hitting the ball, the ball is caught or stuck on the racket and then dragged. Two. The same player swings the ball twice in a row. ⅲ. Two players from the same team hit the ball once in a row. Ⅳ. The ball hits the racket and continues to fly to the backcourt. Pet-name ruby athletes violated the rules of competition continuity. The athletes present misbehaved. (4) Serve again: ① Serve again in case of unforeseen or unexpected circumstances. ② In addition to serving, if the ball hangs on the net or stops at the top of the net, it should be served again. (3) When serving, the server and the receiver foul at the same time and should serve again. When the receiver is not ready, the server should serve again. ⑤ In the game, the ball disc is completely separated from the rest of the ball, and the service should be re-served. ⑥ When the linesman can't see the landing point of the ball clearly and the referee can't make a decision, he should serve again. ⑦ When re-serving, the last service is invalid, and the original player will serve again. (5) Dead ball: ① The ball hits the net and hangs on the net or stops at the top of the net. ② After the ball hits the net or net post, it starts to land on the hitting side. ③ The ball touches the ground. 4 "violation" or "heavy serve". (6) Service area error: ① Service order error. ② Serve from the wrong tee. Prepare to receive the service in the wrong service area, and the opponent's ball has already served. (7) Referee method of service area errors: ① If errors are found before the next service, serve again; If only one party makes a mistake and loses this round, the mistake will not be corrected. If no mistakes are found before the next serve, they will not be corrected. (3) If the service is "re-served" due to an error in the service area, the round will be invalid, and the service will be re-served after correcting the error. (4) If the service court error is not corrected, the game will continue without changing the players' new service court and new service order. (8) The sideline of the out-of-bounds singles in the competition is the in-bounds sideline. The sideline of doubles is the outermost one. The front serve line of singles is the forefront. The back serve line is the bottom line. The serve is valid between these two lines. The front serve line of doubles is the same as that of singles, and the back serve line is the line before the baseline. The serve is valid between these two lines. Badminton should have 16 feathers fixed on the ball support, and the length of the feathers is 64 mm to 70 mm, but the length of the feathers of each ball should be the same from the support surface to the tip of the feather. The top of the feather is round, the diameter is 58 mm to 68 mm, the diameter of the ball holder is 25 mm to 28 mm, and the bottom is round. The weight of badminton is 4.6 g to 5.50 g. For non-badminton, we need to make it into a skirt, and the quality and performance should not exceed 10\%. For the game ball, it must be tested before it can be used. The correct way is to stand on the end line, hit the ball forward and upward with the low hand, and the flying direction of the ball is parallel to the sideline. A qualified ball should fall between 53 and 99 cm from the opponent's end line.