Take a brief look at the disparities in the history of crucible at the Snooker World Championships (1977 to the present). (Data as of 2021 World Championships)
This table is related to the format of the Snooker World Championship and can be found in: Snooker World Championship Format History. In the three tournaments from 1977 to 1979, the first round of the main tournament was played from the round of 16, but it had no impact on the data in this table.
Before Crucible, the World Championships between 1969 and 1976, there were also some fierce scores. Because the format changes greatly, the tragic score mainly depends on the score multiple, not the difference in points. as:
Round of 16:
1973 (second round), Fred Davis 16-1 David Grifs.
1975 (second round), Alexei Higgins 15-2 David Taylor, Cliff Sorben 15-2 Graham Miles.
Top 8:
1976 (second round), Ray Lilton 15-2 Dennis Taylor.
1969 (first round), Rex Williams 25-4 Bernard Bennett.
semifinal:
In 1974, Ray Lilton was 15-3 Fred Davis.
The final didn't happen very badly.
If you go back to the entire history of the World Championships, the most tragic score is that in the first round of the 1937 World Championship, Joe Davis 30-1 Bill Withers, of which Joe Davis won 28 consecutive games. (See: Joe 15 Consecutive Champions (1937-1940) – Snooker World Championship Review 4)