This crossword No. 21718 clues and answers were published on Sat 16 Oct 1999 and the puzzle can be visited by following The Guardian Prize Crossword No. 21718 link.
All Across Clues and Answers:
1-across – Ratios accepted with gambles : INDICES
5-across – Too risqué in first half of game at the table? : POTTING
9-across – Not one of the L8, small time art crook disheartened, bagging only first of Utrillos : FRIAR
10-across – Profane abuse of seed box : DESECRATE
11-across – Not one of the L8, I am ordered to take in help and damage name : MAIDMARIAN
12-across – Jill? Not the other one of the L8 before re-christening? : JOHN
14-across – Unprejudiced 19 magazine watching p’s and q’s : COSMOPOLITE
18-across – Not one of the L8, leaves vehicle allowance : WILLSCARLET
21-across – Not a 19 one of the L8! : MUCH
22-across – Meandering writer can dry up round the edges : SERPENTINE
25-across – One of the L8 to plunder incognito? : ROBINHOOD
26-across – Agitated male sheep : HETUP
27-across – Ayesha’s quashed half the rabble from 13, enemy of L8 : SHERIFF
28-across – Radiant essayist visiting hospital department : LAMBENT
All Down Clues and Answers:
1-down – Incestuous one left missing stigma : INFAMY
2-down – 11 in rebuilt side acknowledging personal terms? : DEIXIS
3-down – 5 across expert rewrites Act 1, Sc. 1, to include Queen and Mark : CERAMICIST
4-down – Partisan’s sound accom-paniment for Rosie : SIDER
5-down – I’m employed in Italian restau-rant: see father’s howler after bill’s presented : PASTABOWL
6-down – See 9 : TUCK
7-down – Waits with eagerness, in charge of introduction : ISAGOGIC
8-down – See 19 : GREENMEN
13-down – Sir Bernard clearly enjoys a drink in the home of the L8! : NOTTINGHAM
15-down – Inaccessible quantity of water taken away by guide : SEALEDOFF
16-down – Antony and Lester score, but not 21 – 19 change for Helmut! : TWOMARKS
17-down – Mountain climbing attached to rope that may be put down : PLACABLE
19-down – Paradoxical beings from the big red planet? : LITTLE
20-down – Remove flaws from absolute corrupter : DESPOT
23-down – See 24 : PODAL
24-down – A youngster on ascent outside mine from down under : ANTI
This crossword has in total 30 where 14 are across and 16 are down.