Snooker world rankings 2012/2013  Snooker world rankings 2012/2013: The professional world rankings for all the professional snooker players who qualified for the 2012–13 season are listed below. The rankings worked as a two-year rolling list. The points for each tournament two years ago were removed, when the corresponding tournament during the current season has finished. The following table contains the rankings, which were used to determine the seedings for certain tournaments.