The snookerworldrankings are the official system of ranking professional snooker players to determine automatic qualification and seeding for tournaments
professional snooker players ordered by the number of "ranking titles" they have won. A ranking title is a tournament that counts towards the snookerworld rankings
that the WorldSnooker Championship was staged at the venue. It took place between 18 April 2009 and 4 May 2009. The eighth and final ranking tournament