Organization and arrangement of basketball match (nine teams in a single cycle, calculate and arrange discussion, games and games) 1. Organization: 1. Determine the venue and time of the competition. 2. Notify teams and issue registration forms 3. Determine referees and staff and conduct training. Receive the registration form and hold a team leader meeting to announce related matters 5. Determine the list of organizing committees, draw up competition charts, arrange referees, etc. 6. Release the order 7. Print the record sheet before the game and prepare the stopwatch, basketball and other equipment for the game. 8. Check the venue a few days before the game. 2. To arrange 9 teams, it is necessary to set up bye seats. The following 1-9 represents the participating teams, and 10 represents 9 teams by bye: single round = number of teams * (number of teams-1)/2 means: 9*(8/2)=36 teams. Divide the number of teams into equal sides according to the U-shaped trend. In the case of odd-numbered teams, the last digit plus 0 becomes an even number. In the first round, as long as a horizontal line is drawn between the opposing U-shaped teams, it is the order of the first round. In the second round, the number 1 in the upper left corner is fixed, and the rest of the numbers move one position counterclockwise, which is the order of the second round, and so on in subsequent rounds. In case of team O, the team will have a bye. The first and second rounds are1-01-92-90-83-82-74-73-6.