This crossword No. 3659 clues and answers were published on Sun 20 Nov 2016 and the puzzle can be visited by following The Guardian Everyman Crossword No. 3659 link.
All Across Clues and Answers:
1-across – Fruitful development of clearest system for measuring quakes : RICHTERSCALE
9-across – Bound to turn round new board : PANEL
10-across – Justify being very mean : VINDICATE
11-across – Overthrow leader in disgrace and rest, right away : DEPOSE
12-across – Lion grew terribly menacing : LOWERING
14-across – Make more efficient version of metal siren : STREAMLINE
15-across – Benefit from place with our team : PLUS
17-across – Curse love at end of speech : OATH
18-across – Aspect of expert in person : FACETOFACE
20-across – Recurring image about revolutionary party with rage : PERIODIC
21-across – Son takes out gifts : SKILLS
24-across – Promise to get gold back, surrounded by relative support : GUARANTEE
25-across – Pin in shadow, elusive : DOWEL
26-across – Sentimental stuff I start about bygone pie : CORNISHPASTY
All Down Clues and Answers:
1-down – Express rebuke over identification : RAPID
2-down – Scheming and playing ironic part also : CONSPIRATORIAL
3-down – Chap after endless chat is showing charm : TALISMAN
4-down – Party needing some extra vehicles : RAVE
5-down – Baffled fool set up : CONFOUNDED
6-down – Dally with one in group with hesitation : LOITER
7-down – Actor wades in, ideally trained : DANIELDAYLEWIS
8-down – Song in clip with guys dancing with energy : PEGGYSUE
13-down – Shabby field with portion over time engulfed by marsh : FLEABITTEN
14-down – Work quietly during present strike : STOPPAGE
16-down – Invented company with approval excited dupe : COOKEDUP
19-down – Recording absorbing account in principality : MONACO
22-down – Odds on bet spread out : SPLAY
23-down – Not so much praise without bishop : LESS
This crossword has in total 28 where 14 are across and 14 are down.