KRISTEN Buchanan is looking forward to giving apprentice Olivia Chambers the first opportunity to ride a city winner for her. The Wyong trainer has awarded Chambers the mount on Hellova Nature in the Midway Benchmark 72 Handicap (1200m) at Royal Randwick. Provided the weather is on Buchanan’s side, it would be a timely result if the pair can combine for a fruitful result. “Liv (Olivia) is currently on loan, but is scheduled to be officially transferred to me on Sunday,” Bucha