If 6-7 players;
Qualifications:
The players meet each other twice (head to head).
Those matches are 1 set. That makes 10-12 matches per player on average. Top two advances to the play offs.
Playoffs: Final best two out of three. Max playoff matches (if no deciding games are needed): 3

If 8 players;
Qualifications:
The players meet each other twice (head to head).
Those matches are 1 set. That makes 14 matches per player. Top three advances to the play offs.
Playoffs: 3-player final best two out of three. Max playoff matches (if no deciding games are needed): 3

If 9 players;
Qualifications:
The players meet each other once (head to head).
Those matches are 1 set. That makes 8 matches per player. Top four advances to the play offs.
Playoffs: Head to head play off tree. Matches are best two out of three. Max playoff matches (if no deciding games are needed): 6


If 10-13 players;
Qualifications:
Players are divided into two groups. The players in a group meet each other twice (head to head).
Those matches are 1 set. That makes 10-14 matches per player on average. Top two in each group (depending on number of players) advance to the play offs.
Playoffs: Head to head play off tree. Matches are best two out of three. Max playoff matches (if no deciding games are needed): 6

If 14-16 players;
Qualifications:
Players are divided into two groups. The players in a group meet each other twice (head to head).
Those matches are 1 set. That makes 12-14 matches per player on average. Top three in each group (depending on number of players) advance to the play offs.
Playoffs: Head to head play off tree. Matches are best two out of three. Winner of each qualification group will have one bye. Max playoff matches (if no deciding games are needed): 9

If 17-18 players;
Qualifications:
Players are divided into three groups. The players in a group meet each other twice (head to head).
Those matches are 1 set. That makes 8-10 matches per player on average. Top three in each group (depending on number of players) advance to the play offs.
Playoffs: 3-player Head to head play off tree. Matches are best two out of three. Winner of each qualification group will have one bye. Max playoff matches (if no deciding games are needed): 9

If 19-24 players;
Qualifications:
Players are divided into three groups. The players in a group meet each other twice (head to head).
Those matches are 1 set. That makes 10-14 matches per player on average. Top three in each group (depending on number of players) advance to the play offs.
Playoffs: 3-player Head to head play off tree. Matches are best two out of three. Winner of each qualification group will have one bye. Max playoff matches (if no deciding games are needed): 12