This crossword No. 28309 clues and answers were published on Sat 05 Dec 2020 and the puzzle can be visited by following The Guardian Prize Crossword No. 28309 link.
All Across Clues and Answers:
9-across – Sport in setting hard to endure : GRUELLING
10-across – Put back stone in a ring, last in series : OMEGA
11-across – Part of memoir I shortened in language using fewer letters : IRISH
12-across – Means to find unknown numbers without using 14 : PHONEBOOK
13-across – Without skill, in particular : NOTABLY
14-across – Use it to produce solutions, operating literally crazy lab gear : ALGEBRA
17-across – Namely, how to recover something after breakdown : TOWIT
19-across – Skill, in particular : ART
20-across – 12, 15 and 24 across all do this, 3 25 : ORDER
21-across – Most of Corsica disrupted by centre of storm that blows across Med : SIROCCO
22-across – Supplier of fuel while mother shelters in her ruin? : GASMAIN
24-across – Where people read overlapping signs : LIBRARIES
26-across – Like his tragic partner, he can be 3 : ROMEO
28-across – M’s predecessors left bomb test site : ATOLL
29-across – Other son secures flat for timely break : ELEVENSES
All Down Clues and Answers:
1-down – Fruit very unlike peach, reportedly : UGLI
2-down – Like her tragic partner, she can be 3 : JULIET
3-down – Odd chap, albeit like characters in set : ALPHABETIC
4-down – Diagnostic aid ordered, in a way, like 23 : BIOPSY
5-down – I admit grasping zero, not knowing ABCs : IGNORANT
6-down – Counterpart of 10 I found in area : ZONE
7-down – Bishop, in protest over base, put out of service : DEMOBBED
8-down – A, B, or C, perhaps, in book : MARK
13-down – Determined to upset A, B, C etc : NOTES
15-down – They help explain article run in some magazines : GLOSSARIES
16-down – Repeatedly answer right about first person in OT? : AARON
18-down – Finally found surprising expression in opus that’s akin to dictionary : WORDBOOK
19-down – In minimal pieces, include note in middle of gamut : ATOMIZED
22-down – In turn, endlessly recite sequence of letters? It’s true : GOSPEL
23-down – Line inserted in book on time, virtually : ALMOST
24-down – It was used when setting clue : LEAD
25-down – Colleague completely unknown in 14 : ALLY
27-down – Expel outcast, ignoring law’s reversal : OUST
This crossword has in total 33 where 15 are across and 18 are down.