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1989–90 snooker world rankings

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The World Professional Billiards and Snooker Association (WPBSA), the governing body for professional snooker, first introduced a ranking system for professional players in 1976, with the aim of seeding players for the World Snooker Championship.[2] The reigning champion would be automatically seeded first, the losing finalist from the previous year seeded second, and the other seedings based on the ranking list.[2] Initially, the rankings were based on performances in the preceding three world championships.[2] The list for the 1986–87 snooker season was the first to only take account of results over two seasons, and the rankings for 1989–90 were also based on results from the preceding two seasons.[3][4] A proposal by Barry Hearn, the manager of a number of leading players including Steve Davis and Jimmy White,[5] made a proposal to the WPBSA to change the system so that only the best seven perfromances from the ten ranking touraments were counted.[6] It was rejected at an extraordinary meeting of the WPBSA in May 1989.[6]

Steve Davis playing snooker
Steve Davis (pictured in 2012) topped the rankings for the seventh consecutive year.[1]
John Parrott looking at the camera
John Parrott (pictured in 2008) was ranked second.[1]

Davis retained top place in the rankings for the seventh consecutive year.[1] John Parrott moved up five places to second, followed by Stephen Hendry who improved by one place from fourth.[7] The top 16 in the rankings were exempted from the qualifying rounds for the World Snooker Championship and were included in certain invitational events.[8] Doug Mountjoy, Tony Meo and Dean Reynolds returned to the top 16, and Steve James joined the top 16 for the first time.[7] Cliff Wilson, Neal Foulds, Silvino Francisco and Peter Francisco dropped out of the top 16.[4] Of the players who had only competed for one season, Mark Johnston-Allen and Darren Morgan placed highest, at 51st and 52nd respectively.[4] At the end of his first full season as a professional, Alain Robidoux rose from 102nd to 35th place.[7]

In April 1987, Alex Higgins had been excluded from competing in the first two ranking tournaments of the 1987–88 season as part of a six-month ban imposed by the WPBSA, following a hearing conducted for the Association by Gavin Lightman, a barrister, after Higgind had been found guily in our of headbutting the tournament director at the 1986 UK Championship.[9][10][11] Thorburn had two ranking points deducted for "bringing the game into disrepute" due to failing a drugs test at the 1988 British Open, and was barred from the first two ranking events of the 1988–89 season as part of his punishment.[12] Bill Werbeniuk was expelled from the WPBSA in March 1989 after not paying a fine that the Association had imposed for his use of a beta blocker medication, but was readmitted in September and allowed to play in the 1990 World Snooker Championship.[13][14]

Davis did not compete in the 1989 European Open, a ranking event, citing exhaustion.[15] Reynolds also missed the event, saying that he needed a rest.[16] Both were fined £200 by the WPBSA for missing the event.[16][17] Among the other players fined for missing events was Kirk Stevens, who was penalised £200 for his absence at the 1988 International Open.[17]

Points tariff and basis of ranking

 
Stephen Hendry (pictured in 2010) was ranked third.[1]
Points tariff contributing to the Snooker world rankings 1989–90[18][4]
Placing 1988 and 1989 world championships Other ranking tournaments 1987–88 and 1988–89
Champion 10 6
Runner-up 8 5
Losing semi-finalist 6 4
Losing Quarter-finalist 4 3
Last 16 Loser 2 2
Last 32 Loser 1 ranking point or 2 merit points[a] 1
Final qualifying round loser 2 merit points 1 merit point
Penultimate qualifying round loser 1 merit point 1 A point
Antepenultimate qualifying round loser 1 A point Frames won counted
Preliminary round loser Frames won counted –

Ranking was determined as follows:[3]

  • By number of ranking points.
  • If players had an equal number of ranking points, precedence was given to the player with the better performances in the later season.
  • If players were still equal, merit points were considered. If they were still tied, precedence was given to the player with the better performances in the later season.
  • If players were still equal, A points were considered. If they were still tied, precedence was given to the player with the better performances in the later season.
  • If players were still equal, frames won were considered. If they were still tied, precedence was given the player with the better performances in the later season.

Rankings

Key:

  • "(New)" denotes a player that was a new professional for 1988–89.[19]
  • "(NT)" denotes a "non-tournament" player, i.e. a player who was permitted to enter the world championship but no other tournaments in 1989–90.[20]
  • "–" denotes that the player did not compete in the tournament.[21]
  • "X" denotes that the player was banned from competing in the tournament.[10]
Snooker world rankings 1989–90[22][23][19][21]
Ranking Name 1987–88 season 1988–89 season Ranking points Merit A points Frames
IO GP UK Cl BO WC IO GP CM UK Cl EO BO WC
1   Steve Davis (ENG) 6 2 6 6 0 10 6 6 5 4 0 – 3 10 64 2 0 0
2   John Parrott (ENG) 2 4 3 5 4 2 0 1 3 3 3 6 4 8 48 1 0 0
3   Stephen Hendry (SCO) 4 6 0 3 6 2 2 1 4 5 3 2 2 6 46 1 0 0
4   Jimmy White (ENG) 2 1 5 2 3 6 5 3 6 1 0 4 1 4 43 1 0 0
5   Terry Griffiths (WAL) 1 2 3 3 1 8 0 3 3 4 2 5 0 4 39 2 0 0
6   Mike Hallett (ENG) 4 0 3 0 5 2 1 2 4 0 0 4 4 4 33 4 0 0
7   Cliff Thorburn (CAN) 5 1 3 1 4 6 X X 3 3 4 3 2 0 33[b] 2 0 0
8   Dennis Taylor (NIR) 1 5 1 3 1 2 3 4 3 2 1 1 0 2 29 1 0 0
9   Willie Thorne (ENG) 1 3 4 1 2 2 2 0 1 2 4 2 2 2 28 1 0 0
10   Doug Mountjoy (WAL) 0 0 0 1 0 2 1 2 2 6 6 2 2 1 25 4 0 0
11   Joe Johnson (ENG) 0 1 4 1 2 2 3 1 1 2 2 2 3 0 24 3 0 0
12   Tony Knowles (ENG) 2 3 2 4 1 4 1 2 0 2 2 0 1 0 24 4 0 0
13   John Virgo (ENG) 3 1 1 2 1 1 1 0 2 3 2 2 1 2 22 1 0 0
14   Tony Meo (ENG) 1 0 1 1 0 0 3 1 0 0 1 0 6 6 20 7 0 0
15   Dean Reynolds (ENG) 0 0 0 1 0 0 4 1 1 2 1 – 5 4 19 6 0 0
16   Steve James (ENG) 2 0 0 0 1 4 4 1 2 1 1 0 0 1 17 4 1 0
17   Martin Clark (ENG) 2 1 0 2 0 0 0 0 1 1 3 3 3 0 16 4 0 8
18   Cliff Wilson (WAL) 1 2 1 1 1 1 0 2 2 1 1 1 2 0 16 3 0 0
19   Steve Newbury (WAL) 1 3 0 4 0 0 2 1 1 0 2 0 0 1 15 7 0 0
20   Neal Foulds (ENG) 1 0 0 1 2 4 1 2 0 1 1 0 2 0 15 6 0 0
21   Barry West (ENG) 0 0 1 2 1 1 3 1 0 3 0 0 2 0 14 7 0 0
22   Eddie Charlton (AUS) 3 2 0 0 0 2 0 1 1 0 0 3 0 2 14 7 0 0
23   Silvino Francisco (RSA) 2 1 2 2 1 0 1 0 0 1 2 0 0 2 14 6 0 0
24   Alex Higgins (NIR) X X 2 2 0 0 0 5 0 1 1 1 1 0 13 7 0 0
25   Peter Francisco (RSA) 0 4 1 2 1 1 0 0 0 1 0 0 3 0 13 8 0 0
26   David Roe (ENG) 1 1 2 0 2 0 0 0 0 2 0 1 1 2 12 4 2 0
27   Eugene Hughes (IRL) 3 0 1 0 0 0 1 2 0 0 1 1 1 1 11 7 0 0
28   Dene O'Kane (NZL) 0 0 2 0 3 0 1 1 0 1 1 0 1 1 11 3 3 0
29   Bob Chaperon (CAN) 1 3 0 0 1 1 2 1 0 0 1 0 0 1 11 6 0 0
30   Tony Drago (MLT) 0 2 0 1 0 4 1 1 0 0 1 0 1 0 11 8 0 0
31   Wayne Jones (WAL) 1 0 0 0 0 1 0 1 0 0 5 0 0 2 10 7 2 0
32   Rex Williams (ENG) 0 0 0 0 3 0 2 3 0 1 0 1 0 0 10 11 0 0
33   David Taylor (ENG) 1 0 1 1 0 0 2 0 2 0 2 0 0 0 9 10 0 0
34   Steve Longworth (ENG) 1 0 1 1 0 1 1 0 2 0 0 1 1 0 9 7 0 0
35   Alain Robidoux (CAN) 0 0 0 0 0 0 1 4 0 0 0 2 1 0 8 5 1 0
36   Danny Fowler (ENG) 0 0 2 0 0 1 0 0 1 2 0 2 0 0 8 8 0 0
37   Jim Wych (CAN) 1 1 1 0 0 0 2 0 0 0 0 3 0 0 8 6 3 0
38   Gary Wilkinson (ENG) 0 2 0 0 2 0 0 1 0 1 0 1 0 1 8 5 2 9
39   John Spencer (ENG) 1 0 0 1 2 0 2 1 1 0 0 - 0 0 8 9 0 0
40   Joe O'Boye (IRL) 3 0 0 0 3 0 0 0 0 1 0 0 0 1 8 6 4 0
41   Tony Chappel (WAL) 0 1 2 0 0 0 0 0 0 0 2 1 1 0 7 9 1 0
42   John Campbell (AUS) 0 0 2 0 1 1 1 0 0 0 0 2 0 0 7 6 3 0
43   Steve Duggan (ENG) 0 0 0 0 0 0 1 1 1 1 0 0 0 2 6 5 5 0
44   Paddy Browne (IRL) 0 0 0 0 1 0 0 0 0 0 3 1 0 1 6 3 7 0
45   Murdo MacLeod (SCO) 0 0 0 0 2 0 1 0 1 0 0 1 1 0 6 9 1 0
46   Nigel Gilbert (ENG) 2 0 0 0 0 0 0 3 0 1 0 0 0 0 6 8 2 5
47   Mark Bennett (WAL) 0 0 0 1 0 0 0 0 1 2 0 1 0 0 5 6 5 0
48   Colin Roscoe (WAL) 0 0 0 1 0 0 0 0 1 1 0 0 1 0 4 3 4 13
49   Ray Edmonds (ENG) 0 1 1 0 0 0 0 2 0 0 0 0 0 0 4 5 6 0
50   Kirk Stevens (CAN) 0 1 1 0 – 1 – 0 0 1 0 0 0 0 4 8 1 0
51   Graham Cripsey (ENG) 0 2 0 0 1 0 0 0 0 0 1 0 0 4 8 4 0
52   Mark Johnston-Allen (ENG) (New) – – – – – – 0 0 0 0 0 1 2 0 3 2 4 0
53   Darren Morgan (WAL) (New) – – – – – – 0 0 1 0 0 0 1 1 3 0 4 3
54   Ray Reardon (WAL) 0 0 0 0 1 0 0 0 1 0 1 0 0 0 3 9 2 0
55   Warren King (AUS) 0 0 0 0 0 1 0 0 2 0 0 0 0 0 3 6 6 0
56   Dave Martin (ENG) 0 0 0 3 0 0 0 0 0 0 0 0 0 0 3 12 2 0
57   Tommy Murphy (NIR) 0 0 1 2 0 0 0 0 0 0 0 0 0 0 3 9 3 0
58   Jack McLaughlin (NIR) 0 0 0 0 0 0 0 2 0 0 0 0 0 0 2 7 6 0
59   Ian Graham (ENG) (New) – – – – – – 0 0 2 0 0 0 0 0 2 3 2 10
60   Jim Chambers (ENG) 0 1 0 0 0 0 0 0 0 0 0 1 0 0 2 3 6 7
61   Roger Bales (ENG) 0 1 0 0 0 0 0 0 0 0 0 0 1 0 2 0 12 0
62   Tony Jones (ENG) 0 0 0 0 2 0 0 0 0 0 0 0 0 0 2 10 4 0
63   Dave Gilbert (ENG) 2 0 0 0 0 0 0 0 0 0 0 0 0 0 2 7 7 0
64   Mick Fisher (ENG) 0 2 0 0 0 0 0 0 0 0 0 0 0 0 2 2 9 5
65   Les Dodd (ENG) 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 12 2 0
66   John Rea (SCO) 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 8 3 12
67   Jon Wright (ENG) 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 7 7 0
68   Marcel Gauvreau (CAN) 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 3 10 0
69   Craig Edwards (ENG) (New) – – – – – – 0 0 0 0 0 1 0 0 1 2 3 5
70   Robert Marshall (ENG) 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 5 18
71   Tony Wilson (IOM) (New) – – – – – – 0 0 0 0 0 1 0 0 1 1 3 12
72   Nick Terry (ENG) (New) – – – – – – 0 0 0 0 1 0 0 0 1 1 4 4
73   George Scott (ENG) 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 6 14
74   Anthony Harris (ENG) 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 8 18
75   Ken Owers (ENG) 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 7 6 0
76   Martin Smith (ENG) 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 6 4 7
77   Robby Foldvari (AUS) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 6 6 8
78   Graham Miles (ENG) 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 5 6 10
79   Brian Rowswell (ENG) 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 4 7 6
80   Paul Medati (ENG) 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 3 7 15
81   Pat Houlihan (ENG) 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 3 10 0
82   Paul Gibson (ENG) 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 2 3 4
83   Vic Harris (ENG) 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 6 14
84   Jim Donnelly (SCO) 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 4 30
85   Bill Oliver (ENG) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 6 11
86   Mario Morra (CAN) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 3 16
87   Malcolm Bradley (ENG) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 7 11
88   Jim Bear (CAN) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 3 27
89   Fred Davis (ENG) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 5 13
90   Mick Price (ENG) (New) – – – – – – 0 0 0 0 0 0 0 0 0 3 3 4
91   Glen Wilkinson (AUS) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 5 14
92   Ian Williamson (ENG) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 7 15
77   Bob Harris (ENG) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 6 11
94   Eddie Sinclair (SCO) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 5 34
95   John Dunning (ENG) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 4 28
96   Eric Lawlor (ENG) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 5 16
97   Mark Wildman (ENG) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 6 13
98   Steve Campbell (ENG) (New) – – – – – – 0 0 0 0 0 0 0 0 0 2 3 16
99   Mark Rowing (ENG) (New) – – – – – – 0 0 0 0 0 0 0 0 0 2 2 5
100   Terry Whitthread (ENG) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 6 14
101   Anthony Kearney (IRL) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 6 18
102   Mike Darrington (ENG) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 4 27
103   Jimmy van Rensberg (RSA) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 4 25
104   Jason Smith (ENG) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 8 19
105   François Ellis (RSA) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 6 13
106   Jack Fitzmaurice (ENG) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 5 14
107   Steve Meakin (ENG) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 21
108   Dennis Hughes (ENG) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 17
109   Dessie Sheehan (IRL) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 39
110   Mike Watterson (ENG) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 25
111   Paul Thornley (CAN) (NT) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 7
112   Matt Gibson (SCO) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 14
113   Robbie Grace (RSA) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 7 19
114   Paul Watchorn (IRL) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 6 21
115   Jim Meadowcroft (ENG) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 6 16
116   Gino Rigitano (CAN) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 5 25
117   Jackie Rea (NIR) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 23
118   Geoff Foulds (ENG) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9 17
119   Billy Kelly (IRL) (NT) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 14
120   Greg Jenkins (AUS) (NT) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 23
121   Ian Black (SCO) (NT) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 15
122   Bernie Mikkelsen (CAN) (NT) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 18
123   Patsy Fagan (IRL) (NT) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 21
124   Pascal Burke (IRL) (NT) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 22
125   Dave Chalmers (ENG) (NT) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 29
126   Ian Anderson (AUS) (NT) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 11
127   Frank Jonik (CAN) (NT) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 8
128   Derek Mienie (RSA) (NT) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 19
129   Jim Rempe (USA) (NT) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 16
130   Joe Grech (MLT) (New) (NT) – – – – – – 0 0 0 0 0 0 0 0 0 0 1 0
131   Derek Heaton (ENG) (NT) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 15
132   Clive Everton (WAL) (NT) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 10
133   David Greaves (ENG) (NT) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
134   Bernard Bennett (ENG) (NT) 0 0 0 0 0 0 NE NE NE NE NE NE NE 0 0 0 0 9
135   Maurice Parkin (ENG) (NT) 0 0 0 0 0 0 NE NE NE NE NE NE NE 0 0 0 0 6
136   John Hargreaves (ENG) (NT) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
137   Bert Demarco (SCO) (NT) 0 0 0 0 0 0 NE NE NE NE NE NE NE 0 0 0 0 2
138   Eddie McLaughlin (SCO) (NT) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
139   Joe Cagianello (CAN) (NT) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
140   Mike Hines (RSA) (NT) 0 0 0 0 0 0 NE NE NE NE NE NE NE 0 0 0 0 0
141   Lou Condo (AUS) (NT) 0 0 0 0 0 0 NE NE NE NE NE NE NE – 0 0 0 0
142   Manuel Francisco (RSA) (NT) – – – – – – NE NE NE NE NE NE NE 0 0 0 0 0
143   James Giannaros (AUS) (NT) 0 0 0 0 0 0 NE NE NE NE NE NE NE 0 0 0 0 0
144   Steve Mizerak (USA) (NT) – – – – – 0 NE NE NE NE NE NE NE 0 0 0 0 0
145   Paddy Morgan (AUS) (NT) 0 0 0 0 0 0 NE NE NE NE NE NE NE 0 0 0 0 0
146   Wayne Sanderson (CAN) (NT) – – – – – – NE NE NE NE NE NE NE – 0 0 0 0
147   Gerry Watson (CAN) (NT) – – – – – – – – – – – – – 0 0 0 0 0
Preceded by
1988/1989 		1989/1990 Succeeded by
1990/1991

Notes

  1. ^ Players who qualified received a ranking point. Players exempted until this round received two merit points.[4]
  2. ^ Fined two points for failing a drugs test[22][12]

References

  1. ^ a b c d Hayton & Dee 2004, pp. 1201–21.
  2. ^ a b c Morrison 1987, p. 107.
  3. ^ a b Everton 1986, p. 9.
  4. ^ a b c d e Smith 1989, pp. 12–13.
  5. ^ Acteson, Steve (11 November 1988). "Fine on Davis Angers Hearn". The Times. p. 46.
  6. ^ a b "Hearn Fails to Change World Rating System". The Times. 16 May 1989. p. 43.
  7. ^ a b c "Parrott Perched at No 2". Snooker Scene. Birmingham: Everton's News Agency. June 1989. p. 21.
  8. ^ Acteson, Steve (19 April 1988). "Higgins Slips off Edge of the World". The Times. London. p. 47.
  9. ^ Smith 1988, pp. 24–25.
  10. ^ a b Friskin, Sydney (7 April 1987). "Higgins Banned for Six Months and Fined £12,000". The Times. p. 44.
  11. ^ Baksi, Catherine (6 August 2020). "Sir Gavin Lightman Obituary". The Guardian.
  12. ^ a b Acteson, Steve (13 May 1988). "Thorburn Sentence Ridiculed as Lenient". The Times. London. p. 44.
  13. ^ Acteson, Steve (1 April 1989). "Werbeniuk Is out of WBPSA". The Times. p. 46.
  14. ^ Acteson, Steve (11 November 1989). "Werbeniuk Has Special Treatment". The Times. p. 49.
  15. ^ Acteson, Steve (24 December 1988). "Exhausted Davis Pulls out of Rankings Event". The Times. p. 40.
  16. ^ a b "Snooker Chiefs Rap No-Play Reynolds". Grimsby Daily Telegraph. 24 May 1989. p. 2.
  17. ^ a b "Davis One Down with to to Go". Snooker Scene. Birmingham: Everton's News Agency. July 1989. p. 5.
  18. ^ Hale, Janice (September 1985). "How the Rankings Work". Snooker Scene. Birmingham: Everton's News Agency. p. 14.
  19. ^ a b Smith 1989, pp. 14–15.
  20. ^ Smith 1989, pp. 14–16.
  21. ^ a b Hayton & Dee 2004, pp. 154–157.
  22. ^ a b "WPBSA World Rankings". Snooker Scene. Birmingham: Everton's News Agency. June 1988. pp. 24–25.
  23. ^ "New World Ranking List". Snooker Scene. Birmingham: Everton's News Agency. June 1989. pp. 20–21.

Books

  • Everton, Clive, ed. (1986). Benson and Hedges Snooker Year (Third ed.). Aylesbury: Pelham Books. ISBN 978-0-86369-166-9.
  • Hayton, Eric; Dee, John (2004). The CueSport Book of Professional Snooker: The Complete Record & History. Lowestoft: Rose Villa Publications. ISBN 978-0-9548549-0-4.
  • Morrison, Ian (1987). The Hamlyn Encyclopedia of Snooker (Revised ed.). Twickenham: Hamlyn Publishing Group. ISBN 978-0-600-55604-6.
  • Smith, Terry, ed. (1988). Benson and Hedges Snooker Year (Fifth ed.). Aylesbury: Pelham Books. ISBN 978-0-7207-1830-0.
  • Smith, Terry, ed. (1989). Benson and Hedges Snooker Year (Sixth ed.). Aylesbury: Pelham Books. ISBN 978-0-7207-1944-4.
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