2577: Light and dark – solution
The unclued lights are Oxbridge colleges, hence LIGHT AND DARK blue in the title. First prize A.H. Harker, Oxford Runners-up David Morris, Birchington, Kent; D. Bain, Edinburgh

The unclued lights are Oxbridge colleges, hence LIGHT AND DARK blue in the title. First prize A.H. Harker, Oxford Runners-up David Morris, Birchington, Kent; D. Bain, Edinburgh
The unclued lights are names of the men who followed Armstrong and Aldrin (Apollo 11) in walking on the moon First prize Glynn Downton, Maidstone, Kent Runners-up D.V. Jones, Llanfair Caereinion, Powys; John Kitchen, Breachwood Green, Herts
5 (the number of GOLD RINGS, from ‘The Twelve Days of Christmas’: 34/22A) x 103 (the number of the PSALM (7D) BENEDIC ANIMA MEA: 41/30/1D) x 5 (the number of SYMBOLS AT YOUR DOOR, from ‘Green Grow the Rushes,O’: 3/8/38) = 2575 (the number of the PUZZLE (14)). First prize O.F.G. Phillips, Oxford Runners-up Clive
Each unclued Across light (including the pair at 16/7) is a SWEET and the unclued Down lights can be preceded by SOUR. First prize Steven Lodge, Bridgwater, Somerset Runners-up Diana King, Leeds; A. Weir, Broughty Ferry, Dundee
The preamble referred to ten symmetrically placed unclued entries which spell out CURRENT PUZZLE NUMBER HAS PRIME FACTORS: THIRTY-ONE, EIGHTY-THREE. First prize Bill Stewart, Leicester Runners-up D.P. Shenkin, London WC1; C.S.G Elengorn, Enfield, Middlesex
As suggested by the quotation by John Donne around the perimeter, the other unclued lights were all kinds of trumpets. First prize Ellen Bedford, Sholing, SouthamptonRunners-up Brenda Widger, Bowdon, Cheshire; Martin Joyce, Cumbria
The TEN unclued lights are Scottish islands – or ‘INCHES’. First prize Mrs F.A. Bull, Canterbury Runners-up Susan Hay, Wolverhampton; J. and F. Daniels, Cremorne, NSW, Australia
Arthur C. Clarke (31/45) said that Ernest Hemingway (35/12) won a bet from fellow writers for the shortest story: FOR SALE. BABY SHOES. NEVER WORN. (30/14/15). First prize Nicholas Grandage, London W11 Runners-up Magdalena Deptula, Eton, Berkshire; R.P. Wright, Loughton, Essex
The quotation was ‘I WAS BORN TO SPEAK ALL MIRTH AND NO MATTER’ from Much Ado About Nothing (II.i.321) by WILLIAM SHAKESPEARE. BEAT/RICE (23D/17) is the speaker and BENE/DICK (12/31) the sparring partner. Title: Much Ado About Nothing in cryptic form. First prize R.R. Alford, Oundle, Peterborough Runners-up Gordon Hobbs, Woodford Green, Essex; Fergus Jamieson,
The unclued lights were characters in Neighbours, paired at 12/19, 14/20, 16/19 and 32/20. First prize Peter Taylor-Mansfield, Worcester Runners-up Dr Wendy Atkin, Sleaford, Lincs; Peter Baldwin, Chorley, Lancs
The unclued lights (including the pairs at 2/14 and 12/36) are names of organ stops which Brewer calls ‘music in themselves’. First prize C.R. Haigh, Hassocks, West Sussex Runners-up Richard Foden, Vésenaz, Switzerland; Michael Pigden, Barnet, Hertfordshire
30 July is Independence Day in Vanuatu in MELANESIA (23D). Its capital city is PORT VILA (39/16), one of its volcanoes is LOPEVI (30), an indigenous reptile is the FLOWERPOT SNAKE (11/36) and its national anthem is YUMI YUMI YUMI (4/43A/43D). Its former name was THE NEW HEBRIDES (diagonally from 1) which must be shaded.
The unclued lights are words (or one phrase) which contain three pairs (3 x 2, in the title) of double letters: 13 Tennessee, 15/14 Sweet tooth, 17/37 Successfully, 21/24/39 Whippoorwill, 31/2 Bookkeeper, 41 Committee, 42/6 Barrenness. First prize Chris Edwards, Leeds Runners-up Graeme Palmer, Switzerland; Emma Corke, Abinger Hammer, Surrey
The unclued lights 11 SOLITARY, 8 POOR, 38 NASTY, 36 BRUTISH and 35 SHORT are descriptions of 1 THE LIFE OF MAN in 26 LEVIATHAN by 13 THOMAS HOBBES. First prize David Andrews, Surrey Runners-up Alexander Caldin, Salford, Oxfordshire; Geoff Hollas, London W12
As suggested by 11 across, the other unclued lights were anagrams of capital cities: 23A Nairobi, 25A Nassau, 29A Lima, 35A Pretoria, 40A Kabul, 2D Seoul, 6D Luanda, 20D San Marino, 28D Nicosia, 31D Manila. First prize Elaine Galloway, London SE6 Runners-up Dennis Cotterell, Carlisle; Wendy Whitelock, Kilgetty, Pembrokeshire
The title resolves into CL RVW which suggests the 150th anniversary of the birth of Ralph Vaughan Williams. The unclued lights are seven of his compositions: 1A, 1D, 8D, 11A, 15D, 19D/3D and 21D/39A. First prize Julian Prouse, Redditch Runners-up James Bristol, Cheltenham, Gloucestershire; Caroline Arms, Ithaca, NY
The unclued entry RECYCLING thematically links six unclued cyclic non-word permutations that appear in the systematic order GCYCLIN, NGCYCLI, INGCYCL, LINGCYC, CLINGCY and YCLINGC. The title alluded cryptically to SPORT/CYCLING. First prize Richard Andrews, Ashford, Middlesex Runners-up Sara MacIntosh, Darlington, Co. Durham; Roderick Rhodes, Goldsborough, N. Yorks
The perimetric names are NIJINSKY, NEVER SAY DIE, CREPELLO, THE MINSTREL, ROBERTO and TEENOSO, six of the nine Derby winners ridden by Lester Piggott who died on the 29th of May, the other three being ST PADDY (22), SIR IVOR (33) and EMPERY (4). DERBY (15) and LESTER (35) were to be shaded. First prize
The perimeter, starting at square 38, yields six of the CITIES created to commemorate the Platinum Jubilee: DONCASTER, MILTON KEYNES, BANGOR, WREXHAM, DUNFERMLINE and DOUGLAS. STANLEY and COLCHESTER are the unclued lights. PORT (Stanley) had to be highlighted at 23 Across. First prize Gail Petrie, Brean, Somerset Runners-up Keith Williamson, Cambridge; Bill Ellison, Caversham, Berkshire
Unclued lights were associated with JUBILEE: years (CALENDAR, SCHOOL, FINANCIAL), clips (CROCODILE,PAPER, TIE) and London underground lines (CENTRAL, CIRCLE, NORTHERN). The title suggested PLATINUM (element 78, and type of blonde). First prize Brian Midgley, Shipston on Stour, Warwickshire Runners-up Arabella Woodrow, Riddlesden, West Yorks; Andrew Vernalls, Milton Common, Oxfordshire