No 13793, Monday 20 Feb 2023, Afterdark

Solution to 27D has been deliberately left unsolved and is to be answered only by a non-regular / novice commenter, with proper annotation. Those who have answered earlier in the week, please give others a chance.

ACROSS

9   Pleasing victory in the neighbourhood (7) WINSOME {WIN}{SOME}

10 Glaciers in space, maybe one hundred in the front (7) ICECAPS {SPACE}*<=>{1}{C}

11 A state of non-existence is present in this place (7) NOWHERE {NOW}{HERE}

12 Glance east, maybe destroyed without energy (7) EYEBEAM {E}{MAYBE*} over {E}

13 Benchmark is roughly 0.9 metres, stay with it (9) YARDSTICK {YARD}{STICK}

15 Police weapon again modelled in counter (5) TASER<=

16 Country entangled in knots after deporting alien (7) ENGLAND eNtANGLED*

19 Backed do it yourself recipe for tongue (7) YIDDISH {DIY<=}{DISH}

20 Being a provocateur in social media? Timepass? Disconnect (5) TROLL {T}{ROLL}

21 May break down in remorse for retaliation (9) REPAYMENT {REP{MAY*}ENT}

25 White of an egg is blue? Man this is crazy (7) ALBUMEN*

26 Beau has lost heart, in uncontrollable grief finding an insect (7) FIREBUG {FIRE{BeaU}G*}

28 At first, George rushed with tea reportedly to the receiver (7) GRANTEE {Ge...e}{RAN}{(~tea)TEE}

29 Member in team faces resistance (7) INSIDER {IN}{SIDE}{R}

DOWN

1   Score? Third batsman ran second bye (6) TWENTY {baTs..n}{WENT}{bYe}

2   Reply of parliamentarians were held (6) ANSWER [T]

3   From the sources, London operators delivered enough ore deposit (4) LODE Acrostic

4   Good-bye men I am burying a national (6) YEMENI [T]

5   Be like Wesley, losing heart every 15 days (8) BIWEEKLY {BE+LIKE+WesleY}*

6   Desperately in trouble losing dollars again and again (10) REPEATEDLY  DEsPERATELY*

7   Terrible skater in West Indies sport (5,3) WATER SKI {W{SKATER*}I}

8   Sodium nitrate and calcium sulphate? (8) ISOMORPH I'm bad at Chemistry. Anno pending Definition by Example. See comments

14 Could be a horse that is a solid friend (10) STABLEMATE {STABLE}{MATE}

16 Divorce sergeant (8) ESTRANGE*

17 Bird becomes larger without nose (8) GROSBEAK {GROwS}{BEAK}

18 Looped in action, its nuts (8) DERANGED {DE{RANG}ED}

22 Bird in gust, one at north (6) PUFFIN {PUFF}{1}{N}

23 Represent English doctor on overdose at Yard (6) EMBODY {E}{MB}{OD}{Y}

24 Police officer in rest mauled by animals (6) TIGERS {T{IG}ERS*}

27 Stop on road (4) R?S? (Addendum - REST {RE}{ST} - See comments)

Reference List

Hundred = C, East = E, Energy = E, Alien = ET, Do it yourself = DIY, Time = T, Resistance = R, Dollar = S, With = W, North = N, English = E, Overdose = OD, Yard = Y, On = RE, Road = Street = ST