This crossword No. 934 clues and answers were published on Sun 18 Aug 2013 and the puzzle can be visited by following The Guardian Speedy Crossword No. 934 link.
All Across Clues and Answers:
1-across – Go against : BUCK
3-across – Volcanic glass-like rock : OBSIDIAN
9-across – Matured : GROWNUP
10-across – Hopeless; bungling : INEPT
11-across – Loosen, as laces : UNTIE
12-across – Write, compose : INDITE
14-across – Understand what is implied by a remark or action : GETTHEMESSAGE
17-across – Conviction : BELIEF
19-across – Inflammatory and often suppurating lesion on the skin : ULCER
22-across – Shinbone : TIBIA
23-across – Weapon that killed Trotsky : ICEPICK
24-across – At an unspecified time : WHENEVER
25-across – German city whose French name gives us a perfume : KOLN
All Down Clues and Answers:
1-down – Resent : BEGRUDGE
2-down – Influence or power : CLOUT
4-down – Initiation ordeal : BAPTISMOFFIRE
5-down – The —–, Homeric epic : ILIAD
6-down – Resistance to change : INERTIA
7-down – Brings home : NETS
8-down – Tangle in 7, perhaps : ENMESH
13-down – Break-ins? : BEARSKIN
15-down – Shiver or jerk quickly : TREMBLE
16-down – Item of crockery : SAUCER
18-down – Asinine : INANE
20-down – Durable cotton fabric : CHINO
21-down – Ragout or burgoo : STEW
This crossword has in total 26 where 13 are across and 13 are down.