This crossword No. 21984 clues and answers were published on Wed 23 Aug 2000 and the puzzle can be visited by following The Guardian Cryptic Crossword No. 21984 link.
All Across Clues and Answers:
1-across – Create extra strain for a biologist : CROSSFERTILISE
8-across – Is one prepared to walk out for a wedding? : UNION
9-across – First pairs chosen are coloured alike – dark grey : CHARCOAL
11-across – Run 20, getting hungry at last – like some bacon? : STREAKY
12-across – Stop travelling overseas : HEAVETO
13-across – Nick passage for piano Tchaikovsky used : NOTCH
15-across – Air of unrequited love transformed mostly corny ghost : TORCHSONG
17-across – Come to steal from trendy lords and ladies? : WAKEROBIN
20-across – Wearing suit received for birthday : NAKED
21-across – In which one conspires about Scots, showing irritation : CAHOOTS
23-across – Lassie translated to accommodate one part of Europe : SILESIA
25-across – Dismiss ethnic origin in sports day event : SACKRACE
26-across – Support leads to 50% of vote – well done! : BRAVO
27-across – Behave like Rumpelstiltskin, maybe, where one’s haunted : STAMPINGGROUND
All Down Clues and Answers:
1-down – Port served after all mem-bers had hefty snack : CLUBSANDWICH
2-down – More comfortable after pollarding willow : OSIER
3-down – Someone getting browned off, still on the beach : SUNBATHER
4-down – To conceal meaning of record, PC had to swap two letters : ENCRYPT
5-down – In a class of my own, should I be true to form? : TEACHER
6-down – Clinging fabric sported by Darcy? Lizzie’s taken aback : LYCRA
7-down – Routine preparation – does it make you spit? : SPADEWORK
10-down – Person showing crude quality, potentially brilliant : ROUGHDIAMOND
14-down – Be encouraged by sequence of film – earth-shattering! : TAKEHEART
16-down – Cope with pub that’s used by bikers : HANDLEBAR
18-down – Graduate’s mum finally going off Tim Rice’s style : BASMATI
19-down – Gets in information about object of savings policy : NESTEGG
22-down – Approval given, without a hint of hesitation, for stopgap material : OAKUM
24-down – This situation starts to seem naughty and frankly untoward : SNAFU
This crossword has in total 28 where 14 are across and 14 are down.