This crossword No. 21807 clues and answers were published on Sat 29 Jan 2000 and the puzzle can be visited by following The Guardian Prize Crossword No. 21807 link.
All Across Clues and Answers:
1-across – Wealthy woman, not healthy one, broadcasting during disorder : MILLIONAIRESS
10-across – Tell : RECOUNT
11-across – France’s good day down under unfinished by a stroke of luck : BONANZA
12-across – Scottish flower is out : FORTH
13-across – Random test to identify squared pattern : SPOTCHECK
14-across – Dostoievsky’s tale told the life of Macbeth : IDIOT
16-across – Wreck of the 15-a-side game by a type of Toryism : RUINATION
18-across – The West, going to flounder miserably, applied to Copenhagen : WONDERFUL
19-across – 15 man producing some-thing of an ego-trip : ROGET
20-across – Exposed again holding diamonds and hearts, so coloured on top : REDHAIRED
23-across – Architectural style from Greenland or Iceland : DORIC
24-across – French and British princess, the former foolish : ETOURDI
25-across – Looks at the Eternal City as Spooner did in the undergrowth? : RHIZOME
26-across – Royal chalice – his grammar needs correcting – of some age : MARSHMARIGOLD
All Down Clues and Answers:
2-down – Encroachment of over ten dogs into pub : INCURSION
3-down – Best end of crow? : LAUGH
4-down – Titus went off to sea : OATES
5-down – Do I learn about relations being divine? : AMBROSIAL
6-down – Film director’s children, one going off with chocolate cake : RENECLAIR
7-down – Introduce a note and nearly set fire to it? : SINGE
8-down – Deal with merry-andrew, who can give you … : TRAFFICWARDEN
9-down – … a parcel containing a royal sovereign – take it up : PARKINGTICKET
15-down – It housed the treasure of the Lizard : THESAURUS
16-down – Not a revolutionary creed, that is, of Mr and Mrs Turner : REFORMISM
17-down – US politician, admiral and watchmaker faking liner’s log : INGERSOLL
21-down – I leave 14 with a Greek vase : DIOTA
22-down – Artist that lasts? : DURER
23-down – Do it yourself, badly – no good for ending : DYING
This crossword has in total 28 where 14 are across and 14 are down.