One year wiser

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Across
  1. 2. UK's first 8a boulder (8,6)
  2. 3. Has a fancy chateau (13)
  3. 5. Luke's trouser ripper (4)
  4. 7. Jingo's creature for slab/crimps (8)
  5. 10. 34 black, Cuisinière (4)
  6. 11. Established first 8a in Font (7)
  7. 12. Large spacecraft (10)
  8. 13. Successful first attempt (5)
  9. 15. 23rd May (8)
Down
  1. 1. "Crasssontts" (3,4,5)
  2. 3. Jimi Hendrix classic (4,4)
  3. 4. Big ol' rock (7)
  4. 6. Grimpeur (7)
  5. 8. aka Dune, Isatis (2,7)
  6. 9. Britain's first national park (4,8)
  7. 14. Cheerful (5)