Ben and Dan Pearce are about to find out if Chiclett can stamp her WA Oaks (2400m) credentials at Ascot on Saturday. The well-bred daughter of Tavistock steps out in the Listed Schweppes Ascot 1000 Guineas (1800m). Chiclett, rated a $13 chance with Tabtouch, goes into the $100,000 race in winning form after scoring at …