Across:
   9. Pain outcast in ideal sort of 22 (7)
  10. Inexpert team at European boxing (7)
  11. Most water laden with traces of rust, having every unwanted metal in every stream today (9)
  12. Perhaps caustic stuff, soapy usually straightforward (5)
  13. An old wreck, at crossroads perhaps (5)
  15. Within system, Marg (or "Princess") overturned schedule (9)
  16,17. 26 3, 18 U.S. 1 19 15? Pop 8 standard of 22 for new 27! (6 6)
  21. What you ultimately get in fair vote being cast (9)
  24. Confident after winning good rally (5)
  25. Mostly take stock of livestock (5)
  26. Tongue on tongue, running back and forth (9)
  28. Beginners (recipients of openings): known in elite sports as ... (7)
  29. Wades out with extreme ends: some life in the ocean (7)
Down:
   1,19. Problems of our times when philanderers claim they're just "going with the flow"? (7 7)
   2. Fruit of needy who work (8)
   3. Changing sides is hard, cover being quite thin (4)
   4. Give badly pruned extremes of annuity? (8)
   5. Draw on performance (6)
   6. He rubs gram into paste as food (10)
   7. Discards preserve when badly set inside (6)
   8. Chirpy one's ticker gave out after end of music (7)
  14. Losing initially keen guilt in sick writhing of tongues (10)
  17. Lacking natural shade or shelter, she worked but not at all hard (8)
  18. Hitler attacked around both sides, which was often frightening (8)
  19. see 1
  20. A dumber move to the country (7)
  22. Violins playing without end in musical fantasy (6)
  23. Moisten flaps, with top of envelope folding as far as possible from the edge (6)
  27. Mostly pine trees form a ring for each one passing (4)
Name: