Head to head. Starts at 6 pm and ends at 10 pm. Divide in two groups and everyone meet within these groups on two different games. That makes up to 14 games. the two best from each group plays semifinals and finals in best of three games. That makes up to 6 games. Number three and four in the groups plays like a B semi and final and so on to let everyone play as much as possible and to separate all player.