This crossword No. 1290 clues and answers were published on Sun 21 Jun 2020 and the puzzle can be visited by following The Guardian Speedy Crossword No. 1290 link.
All Across Clues and Answers:
1-across – Blend of rhythm-and-blues and country-and-western music : ROCKANDROLL
9-across – Typically : ONAVERAGE
10-across – Hot temper : IRE
11-across – Month, part of the first meteorological season in the Northern Hemisphere : APRIL
13-across – Skimmed off : CREAMED
14-across – Aligning : SIDING
15-across – Insect of the cockroach family : MANTIS
18-across – Swiss cheese, creamy and nutty when young : GRUYERE
20-across – Having striking colour : VIVID
21-across – Nocturnal bird of prey : OWL
22-across – Position of advantage and control : UPPERHAND
24-across – Arrests decay or decline : STOPSTHEROT
All Down Clues and Answers:
2-down – Eggs : OVA
3-down – Citadel of a Russian town : KREMLIN
4-down – Ace nun : NUANCE
5-down – Feudal official of medieval England : REEVE
6-down – Recurring theme in a play, opera, etc : LEITMOTIV
7-down – Satisfactory progress up to this point : SOFARSOGOOD
8-down – Completely lifeless : DEADASADODO
12-down – Brightly coloured food fish with chin barbels : REDMULLET
16-down – Contrary : ADVERSE
17-down – Cruel and oppressive dictator : DESPOT
19-down – Fit out : EQUIP
23-down – Goings-on: hassle : ADO
This crossword has in total 24 where 12 are across and 12 are down.