Mephisto/Azed

[Gallifrey]

Any help with these clues would be appreciated. Thank you.

Mephisto
11 across- Private guards former Soviet cyanide(9)????????E
19 across- Right to conceal precious stone on a subject(8)L???????
18 across- Makes dirty sound on rock(8)????T??E
26 across- Stands without moving before heads? Not on(9)S?????O?S
7 down- Ravel fellow notably set about a piece of masterly baroque(10)
?L????????
10 down- This year is extendible so flexibly when somehow one day adrift(10) ????????LE
15 down-Thick-cut chips obtained from Scottish town(8)
17 down-Fisherman,singular fusspot(8)??????ER

[Calibax]

11a Prussiate

[Calibax]

10d Bissextile

[margarettom]

19a Liegeman

[Gallifrey]

Many thanks Calibax and margarettom :)

[Calibax]

7d Flamboyant

[kayakamina]

18a mudstone
26a stillions
10d bissextile
15d dumfries
17d sniggler

[Gallifrey]

Many,many thanks K, :))
Gordon

[kayakamina]

You're welcome.

Are you the Gordon who was a regular on here a few years back but with a different username?

K

[Gallifrey]

Yes I am K,my previous e-mail account was hacked by cyber thieves,so I had to start from scratch,and here I am getting into the swing,it's great to be back!!

[kayakamina]

What an awful experience for you.

Great to have you back & look forward to meeting up after the next Mephisto & Azed.

Regards K

[Gallifrey]

Thanks,and 'bye till then :))