This crossword No. 21768 clues and answers were published on Tue 14 Dec 1999 and the puzzle can be visited by following The Guardian Cryptic Crossword No. 21768 link.
All Across Clues and Answers:
1-across – Reportedly 20 13, or one fifth of 14! : SIXQUID
5-across – Turn into tree, as opposed to 25 : POPULAR
9-across – Annoys 1 downs : NARKS
10-across – Afterthought about stockpile of pickles : PRESERVES
11-across – Mutual sighting of sacred image spoken of with discretion : EYECONTACT
12-across – Sun King enters to cheers : SKOL
14-across – Turning ever, dropping verse 10, accepted by God’s 5across 25 1downs : THREETENORS
18-across – Manipulation of thread manacles midget : CHAINSTITCH
21-across – Relative not beginning to brag : AUNT
22-across – Dish for archer on hill in Italy : TORTELLINI
25-across – Girl in charge in state, as opposed to 5 across : CLASSICAL
26-across – Maker of dish for the advancement of culture? : PETRI
27-across – Northerners who’ve been pulled? : YANKEES
28-across – Having got into tabloid, fled – exchanging the Standard for the People : REDFLAG
All Down Clues and Answers:
1-down – A scorcher of a musician! : SINGER
2-down – Persian ruler upset Congress and King : XERXES
3-down – Untidy Gloucestershire opener’s tip: No runs?. That’s not cricket! : UNSPORTING
4-down – Drank up in the store : DEPOT
5-down – 101 in here showing foresight : PRESCIENT
6-down – Quiet hack’s sound of relief : PHEW
7-down – Look to 5 for intricate token – of commitment? : LUVEKNOT
8-down – Grapples topless with skinhead and becomes uneasy : RESTLESS
13-down – Mushroom ring, seedcase and seafood, potentially : CEPHALOPOD
15-down – Denies original story, admitting nothing, and is subsequently influential : RETROACTS
16-down – Second and Third of Borodin in memorable old recording, perhaps : SCRATCHY
17-down – Keep mum, thanks to one in the pub : MAINTAIN
19-down – Part of the architecture of artificial intelligence : LINTEL
20-down – Sloth and fish not doing too well : AILING
23-down – High-level worker left in middle of row : TILER
24-down – Man, say, whatever Donne said : ISLE
This crossword has in total 30 where 14 are across and 16 are down.