This crossword No. 9312 clues and answers were published on Tue 07 Mar 2000 and the puzzle can be visited by following The Guardian Quick Crossword No. 9312 link.
All Across Clues and Answers:
1-across – Chess expert – senior mason : GRANDMASTER
9-across – ‘Come hell or ____’ : HIGHWATER
10-across – Sound of dove : COO
11-across – Cultivated woodland area : COPSE
13-across – Reveal accidentally : LETSLIP
14-across – Put up with – last : ENDURE
15-across – Talk quickly and indistinctly : JABBER
18-across – Get fire : FIGTREE
20-across – Play idly on guitar etc : STRUM
21-across – Reproductive cell : EGG
22-across – China : PORCELAIN
24-across – German composer : MENDELSSOHN
All Down Clues and Answers:
2-down – Blanket or mat : RUG
3-down – First-footing time : NEWYEAR
4-down – Courage and spirit : METTLE
5-down – Small fish : SPRAT
6-down – Arthur’s sword : EXCALIBUR
7-down – Small sums needed to produce 21s? : CHICKENFEED
8-down – Section of railway carriage etc : COMPARTMENT
12-down – Schoolmaster : PEDAGOGUE
16-down – Infection in cavity of the body : ABSCESS
17-down – Seabird : PETREL
19-down – Swift : RAPID
23-down – Tree – effect of burning : ASH
This crossword has in total 24 where 12 are across and 12 are down.