Badminton referee knowledge, referee and linesman matters needing attention:
1. Before the game, the referee will flip a coin to pick the edge, the winner will choose the venue, and the loser will serve first.
① Exchange place:
The first game is over;
Before the start of the third game;
One side ahead in the third game 1 1.
(2) The athletes failed to change venues according to the rules (1). Once found, exchange immediately, and the score obtained is valid.
2. Each game adopts the best of three games system.
The first team to score 2 1 point wins the official competition. After 20 draws, one team must surpass the other by 2 points, and the game is over. If the scores of both teams are 29-29, the team that gets the 30th point first wins.
The winner of the first game takes the lead in serving in the next game.
4. Every game has a 1 minute pause or off-site guidance.
Team members must arrive at the scene fifteen minutes in advance according to the stipulated competition time. Those who exceed the competition time by less than ten minutes will be deemed to have abstained and disqualified. After the lottery is over, the team that does not participate in the competition for some reason will be regarded as abstaining and the other team will win.
6. Service
(1) legal services.
(2) When serving, neither party shall illegally delay serving;
③ 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 should be lower than the server's waist.
The serve must fly upward over the net. If it is not intercepted, it should fall into the service area of the receiver.
⑥ Once the players of both sides stand in position, the first time the server swings the racket head forward is the beginning of serving.
⑦ The server can't serve until the receiver is ready. If the receiver has tried to receive the service, it is considered ready.
8 Once the service starts, the service ends when the ball is touched or landed by the server's racket.
7 score
① When the server scores 0 or even, both players should serve or receive the service from their respective right service areas.
(2) When the server scores an odd number, both players should serve or receive the service from their respective left service areas.
(3) In the case of "rematch", the server shall stand according to the rules (1) and (2) according to the total score of the match.
(4) After serving, the server and the receiver alternately hit the ball until it is "foul" or "dead ball".
⑤ If the receiver fouls or the ball touches the ground in the receiver's court and becomes a dead ball, the server will get 1 point. Then, the server serves from another service court.
⑥ If the server fouls or the ball touches the ground in the server's court and becomes a dead ball, the server will lose the right to serve. Subsequently, the receiver became the server, and neither side scored.
8. Violation of regulations
① The service is illegal;
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 competition:
1) The ball falls outside the boundary of the field;
2) the ball passes through the mesh or under the net;
3) the ball does not pass the net;
4) The ball hits the roof, ceiling or surrounding walls;
5) The ball touches the athlete's body or clothes;
6) The ball touches other people or things outside the stadium (due to the structural problems of the building, the local badminton organization may specify the temporary regulations that the badminton touches the building when necessary);
⑤ During the competition:
1) The player's racket, body or clothes contact the net or the support of the net;
2) The player's racket or body intrudes into the opponent's court from under the net, which hinders or distracts the opponent's attention;
3) hinder the opponent, such as preventing the opponent from hitting the ball near the net legally;
⑥ During the competition, the athletes deliberately distract each other's attention, such as shouting and posturing;
⑦ During the competition:
1) When hitting the ball, the ball is caught on the racket and then dragged;
2) The same player hits the ball twice in a row and swings twice;
3) Two players of the same team hit the ball once in a row;
4) After the ball touches the player's racket, it continues to fly to the backcourt;
⑧ The athlete has seriously violated or repeatedly violated the regulations.
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