4  Unfairness kills ethnic minority's pool of talent (5,3)

10 Split up and agreed to act (4,5)

11 Dewy-eyed new setter's after advance (5)

12 It stretches one to solve without Chambers initially (4)

13 Pie filling's puzzlingly tame (6,4)

15 Reliable plug (7)

16 Pa axes grasping organ scholar (6)

19 Unarmed German's released except if ... (6)

21 ... top soldier starts to express reservations (7)

23 Create aluminium table, for example (10)

25 Regularly outspend? That's nothing new (4)

27 Roughly cut down in middle of arcade (5)

28 Unsettled drifter is rapidly becoming heated (4-5)

29 Restyle in doubt after wife gets wind (8)

30 PC's request to carry on in section (6)

 1  North American visitor's unloved out of habit (8)

 2  Lunch, say, precedes tea in pecking order (4,5)

 3  Team having to travel a distance (4)

 5  Soppy young animal's timid around callers at first (7)

 6  Reapplied after revision, having acquired new incentive to write neatly, ... (5,5)

 7  ... lest I cocked up leg-over opportunity (5)

 8  A decent faculty would get double this score (6)

 9  Generous like John? (6)

14 Unwilling to stomach king; that's the American way (10)

17 Evening work's behind requirement to generate capital (4,5)

18 Got better cultivated pastures after daughters displaced sons (6,2)

20 I turned to Uncle Sam in wreck of a marriage (7)

21 Former Soviet student imprisoned in disgrace (6)

22 One distributing pats to a young child? (3-3)

24 My partners? They're a pain in high heels! (5)

26 Among footballers he's known for his defence (4)