His best performance came in the 1999 World Snooker Championship, where he reached the last 32.
Since then there have been two streakers at the World Snooker Championship.
There were 63 centuries in the 2005 World Snooker Championship.
He has participated at the World Snooker Championship three times, reaching the first round in 1995.
He reached the quarter-finals of the World Snooker Championship in 1982 and 1986.
He was the runner-up in the World Snooker Championships of 1932 and 1952.
There were nineteen century breaks in the 1989 World Snooker Championship.
With the problem cleared, he reached the final of the World Snooker Championship in 1981.
He reached the World Snooker Championship first round five times, but never progressed past this stage.
There were 48 century breaks in the 1996 World Snooker Championship, a new record which would last until 1998.
