text: Dutch number three seed Noppert, 26, will play England's number 10 seed Darryl Fitton in the last four.
  England's Waites, a two-time winner, was seeded sixth for this year's tournament at the Lakeside.
  Number one seed Glen Durrant takes on fellow Englishman Jamie Hughes, seeded fourth, in the other semi-final.
  England's Lisa Ashton, a two-time winner, will face Australia's Corrine Hammond in the women's final.
target: Defending champion Scott Waites was knocked out of the BDO World Darts Championships as Danny Noppert beat him 5-3 in a dramatic quarter-final.