For a 9-team league, you can simply run 12 games every night, using the 9-team tournament grid; perhaps using slightly shorter games. But you might want to run 9 games every night, in which case a suitable grid is shown below. It takes 4 weeks to play. |

12 games are played by each team. 36 games are played in the whole tournament. Each team plays every other team 3 times. |

Game | ||||||||||||||||||||||||||||||||||||||||
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A_{1} | B_{1} | C_{1} | D_{1} | E_{1} | F_{1} | G_{1} | H_{1} | J_{1} | A_{2} | B_{2} | C_{2} | D_{2} | E_{2} | F_{2} | G_{2} | H_{2} | J_{2} | A_{3} | B_{3} | C_{3} | D_{3} | E_{3} | F_{3} | G_{3} | H_{3} | J_{3} | A_{4} | B_{4} | C_{4} | D_{4} | E_{4} | F_{4} | G_{4} | H_{4} | J_{4} |
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Team | 1 | R | G | Y | R | Y | G | R | G | Y | G | Y | G | |||||||||||||||||||||||||||

2 | G | Y | R | Y | G | R | R | G | Y | Y | G | R | ||||||||||||||||||||||||||||

3 | Y | R | G | R | Y | G | R | G | Y | R | R | Y | ||||||||||||||||||||||||||||

4 | Y | R | G | Y | G | R | R | G | Y | G | Y | G | ||||||||||||||||||||||||||||

5 | R | G | Y | G | R | Y | Y | R | G | Y | G | R | ||||||||||||||||||||||||||||

6 | G | Y | R | Y | G | R | Y | R | G | R | R | Y | ||||||||||||||||||||||||||||

7 | Y | R | G | G | R | Y | G | Y | R | G | Y | G | ||||||||||||||||||||||||||||

8 | Y | R | G | Y | G | R | G | Y | R | Y | G | R | ||||||||||||||||||||||||||||

9 | R | G | Y | G | R | Y | G | Y | R | R | R | Y |

The following would be a good shuffle rule: 1 2, 2 4, 3 6, 4 8, 5 1, 6 3, 7 5, 8 7, 9 9. |

9 team tournament grid | ||

8 team | League Grids | 10 team league |