7  One with a King, Hand is vigilant (5)

10 Could be a passage for audition? (6)

13 One working near local counter is given charge (7)

15 Hideouts of some dishonest smuggler (5)

16 Members of "Indus Creed" rock group (5)

17 Perhaps, Romney's hand (4)

18 What tiki-taka requires players to do is out of style, mostly (4)

19 Reportedly drive away a loafer, say (4)

20 Babushka leaving area when Barney goes West (5)

23 Ideal society gives way to student band (4)

24 Agency essentially going after Facebook (1,1,1)

25 Time to leave tent to find a weapon (4)

26 Take picture holding cap (4)

27 Fine leader is bumped off by honcho, initially for gangster (4)

28 Seizes territory displaying gusto (4)

30 At opening and closing, perhaps, store worker slacks (5)

32 Where the chiefs of ancient Greece often assembled to have deliberations, essentially (5)

34 Praise boy having heart of mum (4)

36 Say, very backward characters (4)

38 Style essential to decoration (4)

39 Traditionally, Japanese box hanging by the waist, public queue for an audience (4)

42 A discharge from octopuses (3)

43 Thread inside bow is pink (4)

45 Whiskey counter? That's where one would be really high! (5)

46 Many request for cover (4)

47 Initially cut the edge and trim (4)

49 Mineral found in bromic acid (4)

50 Changing sides boosts conflicts (5)

51 Singles don't end picking up one veggie that greatly reduces your chances of getting kissed (5)

53 Right to penetrate kid's flesh in heraldic charge (7)

54 Flower company in difficulty, turned around (6)

55 Something usually felt having suffered a loss, letting go of grief eventually (5)

56 Principle of check and mate? (4,3)

 2  No error! has a poetic contraction! (3)

 3  Criticise John wearing Brown's trousers (10)

 4  Company's top advantage is the dividing line (4)

 5  First thing is to take action against the paper (6)

 6  Drag goats about heartlessly (4)

 7  A topping upcoming resin plant (5)

 8  Racecourse in Nova Scotia (5)

 9  Royal attendants beheaded the King, leaving doubts (7)

10 Old lady affectionately worked out my sum (5)

11 Deduct how regularly, three and two minus one totalled is four (6)

12 Drove recklessly in a hurry? (8)

14 Bandy later about revolutionary bowler perhaps (5)

16 Phelps left, heading for pool, dressed in drag (5)

21 On timber for sabot (4)

22 City's exuberant zest for life is felt or, sadly, ignored (3)

23 Regularly brew tea for a type of test (4)

24 They tell you how to use digits in scores? (10)

26 Rejected two pounds included by board member making superficial projections (8)

29 What lisp could be for lips perhaps? (4)

31 One on heads of typically old politicians (4)

32 Real app designed for clothing (7)

33 Any movie involving Steven Spielberg initially is flawed (5)

35 Ode about animal (3)

36 My note about "Duo" perhaps (6)

37 From bottom to top, trim around fashionable dress (5)

40 Players packed only synthetic stockings (6)

41 Informal outfit with resources dispensing money for justice (5)

43 Jog, for example, no trips - calls for a drink (5)

44 Avoid perhaps risk taking initially (5)

47 Firm to back crazy old man (4)

48 Irrational number by a loud singer (4)

52 Bigfeet's charge (3)