This crossword No. 1051 clues and answers were published on Sun 15 Nov 2015 and the puzzle can be visited by following The Guardian Speedy Crossword No. 1051 link.
All Across Clues and Answers:
1-across – Accomplice : ACCESSORY
8-across – Consider : MULLOVER
9-across – Sickly sweet : TWEE
10-across – Stare open-mouthed : GAPE
11-across – Casual : OFFHAND
13-across – Fruitless task : FOOLSERRAND
15-across – Nonplus : FLUMMOX
17-across – Russian ruler : TSAR
20-across – Scoff : JEER
21-across – Derisive : SCORNFUL
22-across – Stamp collecting : PHILATELY
All Down Clues and Answers:
2-down – West Indian rhythm : CALYPSO
3-down – Deadly sin : ENVY
4-down – Dead cert : SUREFIRE
5-down – Gag, near-vomit : RETCH
6-down – Stopper : BUNG
7-down – Pastis : PERNOD
12-down – Backing, support : ESPOUSAL
13-down – Stumble : FALTER
14-down – Weapons store : ARSENAL
16-down – Merriment : MIRTH
18-down – Defeat comprehensively : ROUT
19-down – Inflammatory disease : GOUT
This crossword has in total 23 where 11 are across and 12 are down.