The official ranking system for professional players in snooker is the world snooker rankings. They decide who qualifies for World Snooker Tour tournaments. The World Professional Billiards and Snooker Association maintains the rankings. They not only give players an idea about their ranking but also provide useful statistics about the sport.
Judd Trump
Judd Trump ranks in the top 10 for world snooker. He is known for his spectacular breaks and his ability to dominate the sport. He is the winner of 23 ranking titles, including a world championship. He is only 33 and still very young. However, he has the potential of staying at the top of the sport at least for another decade. However, his age and the grind of the tour may wear him down.
Mark Selby
The Englishman Mark Selby is one of the best players in the world. He is a former England Under-15 Champion and a recent World Snooker Championship Champ. He has a background playing pool. He won the 2006 WEPF eight ball pool championship. He also finished in the finals of the 2015 Chinese Pool World Championship. Selby hails originally from Leicester, England. Malcolm Thorne, brother to Willie Thorne's legendary snooker player, was Selby's coach.
Ronnie O'Sullivan
Ronnie O'Sullivan spent 280 weeks at top of world snooker rankings. After reaching semi-finals in the Tour Championship's Tour Championship, his most recent move made him ahead Mark Selby. The Scot was first ranked number one on the world stage in May 2002. He has since claimed 31 ranking titles. Six World Championship titles, five UK Championships are just a few of his accomplishments.
Mark Williams
Mark Williams is currently the number 10 ranking snooker player in the world. The Welshman was first to break into the elite of the snooker world in 1995 when he won both the Benson & Hedges Masters as well as the Welsh Open. He won the latter title by making a respotted black in the final. He was also the fourth player to win all three ranking tournaments in 1998.
Graeme Dott
Graeme Dott has won two ranking titles and reached the final of the China Open in 2010. However, his form has been inconsistent since then. He has also been diagnosed with depression and has publicly discussed his struggle with it. The Australian is not ranked in the top ten of the world snooker rankings. But, he has an excellent record at home.
Dotts's Career
Graeme Dott, a professional snooker player since 1994 has steadily climbed up the ranks. He reached the top sixteen in 2001, where he remained until 2009. He reached quarter-finals in the Welsh Open 1996 and 1997. He was second in the 1999 Scottish Open, and third in the 2001 British Open. He was also second in the 2004 World Championship, and the 2005 Malta Cup. 1999 saw his first competitive 147 break at the British Open.
Dott's ranking
Dott has had a fluctuating ranking in world snooker rankings over the years. He has been in the top 16 on six occasions. He was ranked second in 2007/8 season. Dott has seen his ranking drop since 2007.
Mark Williams' ranking
Mark Williams' world snooker ranking has steadily risen over the past few years. He has won a variety of tournaments including the Players Championship Grand Finals 2000. Ronnie O'Sullivan was also defeated in the final. He has also topped the world rankings on several occasions. However, his biggest ranking victory came in 2001, when he defeated Anthony Hamilton in the final of the China Open.