This crossword No. 11092 clues and answers were published on Wed 23 Nov 2005 and the puzzle can be visited by following The Guardian Quick Crossword No. 11092 link.
All Across Clues and Answers:
1-across – Instrument : DOUBLEBASS
7-across – Very rarely, if once in one of these : BLUEMOON
8-across – Instrument : OBOE
9-across – Layer : TIER
10-across – Start : KICKOFF
12-across – Win two chips : IPSWICHTOWN
14-across – Pretender : WOULDBE
16-across – ___ and crafts : ARTS
19-across – Scottish garb : KILT
20-across – Bread – mistakes – underwear : BLOOMERS
21-across – Ambassador’s title : EXCELLENCY
All Down Clues and Answers:
1-down – Dutch : DELFT
2-down – Futile : USELESS
3-down – Cockney butcher’s : LOOK
4-down – Grand official party : BUNFIGHT
5-down – Spy – ghost : SPOOK
6-down – Scientist : BOFFIN
11-down – African country : ZIMBABWE
12-down – Cruelly funny : IRONIC
13-down – Rower : OARSMAN
15-down – Stretchy stuff : LATEX
17-down – Aerosol : SPRAY
18-down – Survey – remove horns : POLL
This crossword has in total 23 where 11 are across and 12 are down.