This crossword No. 805 clues and answers were published on Sun 20 Feb 2011 and the puzzle can be visited by following The Guardian Speedy Crossword No. 805 link.
All Across Clues and Answers:
1-across – Cut into with a sharp knife : INCISE
4-across – Rice and raw fish wrapped in seaweed : SUSHI
7-across – Plant fibre used in weaving : RAFFIA
8-across – Tax on imports or exports : TARIFF
9-across – Fairway warning : FORE
10-across – Approach very cautiously : EDGEUPTO
12-across – Reveal secrets or intimacies about others : DISHTHEDIRT
17-across – Anne Spode : SENNAPOD
19-across – Colossal : EPIC
20-across – On a ship, train, plane or other vehicle : ABOARD
21-across – Sad : TRISTE
22-across – —– Springfield, 1960s pop star : DUSTY
23-across – Member of a Christian group practising celibacy : SHAKER
All Down Clues and Answers:
1-down – To summarise : INAWORD
2-down – Treasury box : COFFERS
3-down – Radically, drastically reorganise something : SHAKEITUP
4-down – Metamorphic rock that can be split into thin layers : SLATE
5-down – Indoor shoe : SLIPPER
6-down – Arrival of air or water : INFLOW
11-down – Pays half : GOESDUTCH
13-down – Category of rock, solidified molten magma : IGNEOUS
14-down – Weapon that killed Trotsky : ICEPICK
15-down – Make high-pitched sounds, as of birds : TWITTER
16-down – Piece of land smaller than a continent : ISLAND
18-down – Impressive display : ARRAY
This crossword has in total 25 where 13 are across and 12 are down.