This crossword No. 780 clues and answers were published on Sun 29 Aug 2010 and the puzzle can be visited by following The Guardian Speedy Crossword No. 780 link.
All Across Clues and Answers:
1-across – Sang or played for somebody special : SERENADED
8-across – Clothes horse : AIRER
9-across – Francis ——-, French composer : POULENC
10-across – Showy but worthless trifle : FALDEROL
11-across – Direction in printing to cancel a correction or deletion : STET
13-across – Hopeless : NOGOOD
14-across – Pay homage to : REVERE
16-across – Identical : SAME
17-across – Barricaded part of a city in conflict : NOGOAREA
19-across – Shaped like a ring : ANNULAR
20-across – Do well at : EXCEL
21-across – Fun vehicle with large tyres, used on beaches : DUNEBUGGY
All Down Clues and Answers:
1-down – Engineer who provides map-making data : SURVEYOR
2-down – Parrot? : RAPTOR
3-down – Knowledge, experience : NOUS
4-down – Achieves a required result : DOESTHETRICK
5-down – Carol based on a 16th century Welsh tune : DECKTHEHALLS
6-down – Large landmass off Canada’s NE coast : BAFFINISLAND
7-down – Formal, critical introduction to a lengthy text : PROLEGOMENON
12-down – Return to an original state : RECOVERY
15-down – Contemptible person… : TOERAG
18-down – …slovenly type : SLOB
This crossword has in total 22 where 12 are across and 10 are down.