This crossword No. 9551 clues and answers were published on Mon 11 Dec 2000 and the puzzle can be visited by following The Guardian Quick Crossword No. 9551 link.
All Across Clues and Answers:
1-across – Encroach : TRESPASS
5-across – Break off – card-game : SNAP
9-across – Board game : CHESS
10-across – Friendly : AMIABLE
11-across – Unsuited – contrary : INCOMPATIBLE
13-across – Dormant : ASLEEP
14-across – Business room – position of responsibility or duty : OFFICE
17-across – Only vulnerable point : ACHILLESHEEL
20-across – Unlawful : ILLICIT
21-across – Elegance – prayer before meal : GRACE
22-across – Pitcher : EWER
23-across – Word for word : VERBATIM
All Down Clues and Answers:
1-down – Friar friend of Robin Hood – to gather – food : TUCK
2-down – Everlasting : ETERNAL
3-down – Press advantage to brink of failure : PUSHONESLUCK
4-down – Large prawns : SCAMPI
6-down – Person of great wealth : NABOB
7-down – Led the way : PRECEDED
8-down – Ability to speak well : GIFTOFTHEGAB
12-down – Eden : PARADISE
15-down – Imprecise : INEXACT
16-down – Middle : CENTRE
18-down – Bisect : HALVE
19-down – Light – heavy timber – wide smile : BEAM
This crossword has in total 24 where 12 are across and 12 are down.