Editing Cliff Thorburn (section)

===1983 world championship maximum break===
In 1983, Thorburn became the first player to make a maximum break at the [[World Snooker Championship|World Championship]],<ref name="GRAUN147" /> during the fourth frame of his second-round match against Griffiths,{{sfn|Williams|Gadsby|2005|pages=103–111}} and only the second player to make an official maximum in professional competition (after Davis at the [[1982 Classic (snooker)|1982 Classic]]).{{sfn|Morrison|1987|p=78}}<ref name="147S">{{cite web |url=https://wst.tv/wpbsa/official-147s/ |title=Official 147s |author=<!--Not stated--> |website=World Snooker Tour |access-date=2 August 2020 |archive-url=https://web.archive.org/web/20200722103149/https://wst.tv/wpbsa/official-147s/ |archive-date=22 July 2020 |url-status=dead }}</ref> Thorburn started the break by {{cuegloss|fluke|fluking}} a {{cuegloss|red ball|red}}. While he was completing the break, play stopped on the tournament's second [[billiard table|table]] because his friend and fellow Canadian [[Bill Werbeniuk]] wanted to watch.<ref name="GRAUN147">{{cite news |last1=Murray |first1=Scott |last2=Burnton |first2=Simon |last3=Glendenning |first3=Barry |author-link3=Barry Glendenning |date=23 August 2013 |title=The Joy of Six: sporting flukes |url=https://www.theguardian.com/sport/blog/2013/aug/23/the-joy-of-six-flukes |newspaper=The Guardian |location=London |access-date=1 August 2020 |archive-url=https://web.archive.org/web/20170305184001/https://www.theguardian.com/sport/blog/2013/aug/23/the-joy-of-six-flukes |archive-date=5 March 2017 |url-status=live }}</ref> The match against Griffiths ended at 3:51{{spaces}}am, Thorburn emerging as the winner, 13–12. He then defeated [[Kirk Stevens]] 13–12 (from 10–12) in the quarter-final, and [[Tony Knowles (snooker player)|Tony Knowles]] 16–15 (from 13–15) in the semi-final.<ref name="BBC83">{{cite news |author=<!--Not stated--> |date=7 April 2004 |title=1983: Davis' title but Thorburn's 147 |url=http://news.bbc.co.uk/sport1/hi/other_sports/snooker/3557625.stm |website=BBC Sport |access-date=30 June 2022 |archive-date=18 September 2020 |archive-url=https://web.archive.org/web/20200918142016/http://news.bbc.co.uk/sport2/hi/other_sports/snooker/3557625.stm |url-status=live }}</ref> During the semi-final, which finished at 12:45{{spaces}}am,{{sfn|Morrison|1988|pages=107–110}} Thorburn learnt that his wife Barbara had suffered a [[miscarriage]] on the day of his maximum break.<ref>{{cite magazine |last1=Childs |first1=Steve |last2=Watson |first2=Jeremy |date=June 1983 |title=Embassy world professional championship |magazine=Cue World |location=Sheffield |publisher=Transworld Publications |pages=23–32}}</ref> He played Steve Davis in the final. From 2–2 after the first four frames, Davis won four in a row to leave Thorburn behind 2–6, extending this to 2–9 at the start of the second session, and 5–12 at the end of the first day. Davis wrapped up victory on the second day, at 18–6, this being the first final at the Crucible to be completed in only three sessions.{{sfn|Morrison|1989|p=39}} Commenting on Thorburn's performance in the final, snooker historian [[Clive Everton]] observed that the long matches he had played in reaching the final had "left him so drained{{spaces}}... that he was able to offer only token resistance."{{sfn|Everton|1985|page=75}}