Across:
1 This came from Mastermind – (TOUCH OF GENIUS) The Work of Louis Braille (TOUCH OF GENIUS),
10 Being on holiday (OUT-) has its draw- (draw = -WARD) -back (= reversal indicator) (OUTWARD) on the surface? (OUTWARD),
11 Heads off (h) disaster (‘havoc’ without ‘h’ = AVOC-) with a (-A-) party (-DO) (AVOCADO) for one of the Greens (AVOCADO green),
12 Bit of chowder (CLAM) and pâté removed from place mat (‘pâté’ removed from ‘place mat’ = lcma = CLAM),
13 Important skill for players (TOUCH) on all sides today (TOUCH on sides of today’s grids),
15 Part of the hospital care (part of the ‘hospital care’ = TALC) for the white powder (TALC),
17 Figures in subsequent (figures in ‘subsequent’ = BSE) attack could be detrimental to stock (BSE),
19 Month (OCT-) before (= positional indicator) Ireland (Republic of Ireland = -ROI) (OCTROI), could use this to raise old tax (OCTROI),
21 Take out (DELETE) Ted Lee (Ted Lee = DELETE) Duff (= anagram indicator),
22 Binge (OVEREAT) makes old (O-) father (Rev = -VER-) flip (= reversal indicator) – put him out to graze? (-EAT) (OVEREAT),
23 Stand for (TYPIFY) most of (e) the class (‘type’ without ‘e’ = TYP-) if (-IF-) extremely naughty (extremely ‘naughty’ = -Y) (TYPIFY),
25 Review (= reversal indicator) had (had = DAH-) fairly (half of) lied (half of ‘lied’ = -LI-) about introduction (‘about’ introduction/first letter = -A) (DAHLIA) by Mexican type in the plot (DAHLIA),
27 Has the bottom line (HEM) on what’s in the market (what’s in ‘the market’ = HEM),
29 What you’d expect boxer (dog) to do (fetch) losing the head (f) (‘fetch‘ without ‘f’ = ETCH) to make an impression (ETCH),
30 Concealed mischief or a yobbish (concealed ‘mischief or a yobbish’ = FORAY) type of sudden attack (FORAY),
31 Express surprise (GOSH) at the border’s gooseberry bush (at the border’s ‘gooseberry bush’ = GOSH),
34 No top (s) on tanning product (‘sun oil’ without ‘s’ = UNOIL-) for headless (b) lounger (‘bed’ without ‘b’ = -ED) (UNOILED) that’s not lubricated (UNOILED).
35 Type of chrome (Chrome Internet BROWSER) popular with surfers (BROWSER),
36 Following a stretch, you might do this on a bender (TOUCH ONE’S TOES) – tap (TOUCH) individuals (ones = ONE’S) down in The Boot (TOES) (TOUCH ONE’S TOES).
Down:
2 Survive (OUTLAST) in Provence where (Provence/French ‘where’ = OU-) retrograde (= reversal indicator) salt (salt = -TLAS-) is the end product (end ‘product’ = -T) (OUTLAST),
3 Pub (bar = -RAB) chain opens (‘chain’ opens = C-) up (= reversal indicator) (CRAB) – is that a sign? (CRAB = sign of Cancer),
4 Cleaning windows (ODD JOB) is awkward (ODD) for old patient type (have the ‘patience of JOB in the Bible) (ODD JOB),
5 Take a quick look at (GLANCE) golf (G-) spike (-LANCE) (GLANCE),
6 Goes around in New Zealand cotton (goes around in ‘New Zealand cotton’ = NEON) that’s very bright (NEON),
7 Oblivious (UNAWARE) to a foreign (a = UN-) conflict (-WAR-) in hospital department (A&E = A-E) (UNAWARE),
8 Too much exposure (TOUCH OF THE SUN) for Pat (TOUCH) and Oscar (O-) Furlong (-F) in the media (The Sun = THE SUN) (TOUCH OF THE SUN),
9 Very moved (TOUCHED) by one group of notes on guitar (A CHORD) (TOUCHED A CHORD) that evoked a strong reaction (TOUCHED A CHORD),
14 Almost (e) certain (‘sure’ without ‘e’ = -SUR-) to exercise (-PE-) in old city (U-R) (USURPER) by forcing others to go out (USURPER),
16 Good for you removing odour (‘good for you’ removing ‘odour’ = gfoyo = GOOFY) produced by Disney character (GOOFY),
18 Old master drops rods (‘old master’ drops ‘rods’ = lmate = METAL) of iron (METAL),
20 Delivery doesn’t include elder (‘delivery’ doesn’t include/without ‘elder’ = ivy = IVY) or wall-climber (IVY),
21 One of the family (DAD) characters in background admonished (characters in ‘background admonished’ = DAD),
24 Funny (= anagram indicator) cool pic (cool pic = PICCOLO) of one in the pit (in orchestra pit = PICCOLO),
26 Couple of spies (look + see = LOOK-SEE) to watch briefly (LOOK-SEE),
27 Cover (HOOD-) made look good at the centre (‘made look good’ at the centre = -OO) (HOODOO) is a bit of devilment (HOODOO),
28 Blame (blame = MA-BLE) cook (= anagram indicator) over recipe (-R-) (MARBLE) in The Hard Rock (MARBLE),
32 Hear out bachelor (‘hear’ out ‘bachelor’ = bclo = BLOC) from political group (BLOC),
33 Undergo a turnabout immersed (‘undergo a turnabout’ immersed = GOAT) on the farm (GOAT).