This crossword No. 13813 clues and answers were published on Sat 16 Aug 2014 and the puzzle can be visited by following The Guardian Quick Crossword No. 13813 link.
All Across Clues and Answers:
1-across – Double-dealing : CHICANERY
8-across – Chess piece : PAWN
9-across – Double-dealing : DUPLICITY
10-across – Affirmative response : YEAH
13-across – Marine mammals : SEALS
15-across – Ascending — arduous : UPHILL
16-across – Happy : ELATED
17-across – Roofing material : THATCH
19-across – Thin decorative covering of fine wood : VENEER
20-across – Inuit boat : KAYAK
21-across – Tirade : RANT
24-across – Double-dealing : TREACHERY
25-across – Job : TASK
26-across – Double-dealing : TWOTIMING
All Down Clues and Answers:
2-down – Pull with effort : HAUL
3-down – Tranquil : CALM
4-down – Metallic element, Ni : NICKEL
5-down – Disconcert — English conductor, b. 1955 : RATTLE
6-down – Geographical dictionary : GAZETTEER
7-down – Ill-informed : INTHEDARK
11-down – Self-denial : AUSTERITY
12-down – Scan sheep : CHEAPNESS
13-down – Polished : SLICK
14-down – Streamlined : SLEEK
18-down – Agricultural implement : HARROW
19-down – Empty : VACANT
22-down – Pretence : SHAM
23-down – Metallic element, Fe : IRON
This crossword has in total 28 where 14 are across and 14 are down.