BBC Sport brings you the best World Championship moments on video.
1: Ronnie's 147 in 1997
The fastest maximum at The Crucible
2: Davis v Taylor 1985 final frame
18.5m watched one of the all-time classics
3: Jimmy White's 147 in 1992
The Whirlwind produced a stunning performance
4: White v Higgins 1982 penultimate frame
The best-ever frame of snooker?
5: Cliff Thorburn's 147 break in 1983
A magnificent achievement by Canada's greatest