The official ranking system for professional players in snooker is the world snooker rankings. These rankings are used to determine who automatically qualifies for World Snooker Tour events. 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 amazing breaks and his dominance of the sport. He has won 23 ranking titles, including the world championship. At 33 years old, he's still quite young and can stay at the top for at least another decade. However, his age combined with the grind of the tour might wear him down.
Mark Selby
Mark Selby, an Englishman is one of world's best players. He is a former England under-15 champion and a recent World Snooker Championship Champion. He is also an avid pool player. He was the 2006 WEPF Eight-Ball Pool Champion and a finalist in 2015's Chinese Pool World Championship. Selby is originally from Leicester, England. He was coached by Malcolm Thorne, the brother of the legendary snooker player Willie Thorne.
Ronnie O'Sullivan
Ronnie O'Sullivan spent 280 weeks at top of world snooker rankings. After reaching the semi finals of the Tour Championship, O'Sullivan's latest move put him ahead of Mark Selby. The Scot was ranked world number one for the first time in May 2002. He has since won 31 ranking titles. His achievements include six World Championship titles and five UK Championships.
Mark Williams
Mark Williams is one of the best snooker players in the world and currently holds the number 10 spot. 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. The latter title was won by him with a respotted Black in the final. He won three ranking tournaments and became the fourth player ever to win three titles in one season.
Graeme Dott
Graeme Dott was awarded two ranking titles. In 2010, he reached the final of China Open. Since then, however, his form was inconsistent. He has spoken out about his struggle with depression. 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's climb up the world snooker rankings has been steady since 1994 when he became a professional. In 2001, he reached the top 16 and remained there until 2009. He reached the quarterfinals at the Welsh Open in 1996, and the World Championship 1997. He also finished second in the 1999 Scottish Open as well as the 2001 British Open. He was also the 2004 World Championship runner-up. In 1999, he made his first competitive break of 147 at the British Open.
Dotts' ranking
Dott has had a fluctuating ranking in world snooker rankings over the years. He has been in the top 16 on six occasions. During the 2007/8 season, he was ranked number two. Dott's rank has fallen since then.
Mark Williams' ranking
Over the last few years, Mark Williams has seen his world ranking in snooker steadily rise. He has won numerous tournaments, including the Players Championship Grand Finals in 2000. Ronnie O'Sullivan also lost the final. He has also been at the top of the world rankings several times. His biggest ranking victory came in 2001 against Anthony Hamilton at the China Open.