Divide all enrolled into two groups that will play two machines, one national and the other modern classifying only eight players from each group. For the next phase will be divided by lot and rank the 16 players who will play in 4 machines sorting only the 2 best scores of each machine, and so the remaining 8 divided and classified into two machines , in which the two best scores of each machine will make end on a machine with the final ranking of the best scores obtained .