Qualification: 5 pins, Two games on each machine, sum the points of the two games (10 games counts for qualifications). All players get points based on their relative performance on each game.

12 qualified for next round
1-3 get two byes
4-6 get one bye

First round between 7-12, 8-11, 9-10. Best of three games.
Second round between 4, 5 and 6 and winners of first round. Best of three games.
Third round between 1, 2 and 3 and winners of second round. Best of three games.
Final round between 3 players, on 3 games, each selects one game and plays first. Winner on one game scores 4 points, second 2, third 1
In a case of tie, a fourth game is played.

Total max number of games played by winner: 22 (23 if a tie).