This crossword No. 1050 clues and answers were published on Sun 08 Nov 2015 and the puzzle can be visited by following The Guardian Speedy Crossword No. 1050 link.
All Across Clues and Answers:
1-across – Margin for error : RISKFACTOR
7-across – Swindler : HUSTLER
8-across – Correct : EMEND
10-across – Smallest of the litter : RUNT
11-across – Incarcerate : IMPRISON
13-across – Decline to participate : OPTOUT
15-across – Office : BUREAU
17-across – Gracefulness : ELEGANCE
18-across – Con trick : SCAM
21-across – Voluminous : ROOMY
22-across – Mythical beast : UNICORN
23-across – Armorial bearings : COATOFARMS
All Down Clues and Answers:
1-down – Violin bow treatment : ROSIN
2-down – Brood : SULK
3-down – Opportunities for discussion : FORUMS
4-down – Definite : CLEARCUT
5-down – Supervise : OVERSEE
6-down – Ben Hur? : CHARIOTEER
9-down – Final resolution : DENOUEMENT
12-down – Collection of Persian poems : RUBAIYAT
14-down – Vocal vibrato : TREMOLO
16-down – Nape : SCRUFF
19-down – Traverse : CROSS
20-down – Rank : TIER
This crossword has in total 24 where 12 are across and 12 are down.