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 final.
Final best o 5
Highest rank in qualifycations choose game 1,3,5

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 4 advances to the play offs.
Bo5 in semi and final.
Highest rank in q, choose game 1,3,5

If 9 players;
Qualifications:
The players meet each other once (head to head).
Those matches are 1 set. That makes 16 matches per player. Top four advances to the play offs.
Playoffs: Bo5 in semi and final.
Highest rank choose game 1,3,5

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. Bo5 in semi and final.