VETERAN Brazilian rider Antonio Barroso made his mark quickly at Taipa yesterday when winning the Chairman's Challenge Cup on top-rated Let Us Famous. The 47-year-old rider is on a visitor's licence until the end of the season having ridden in excess of 4,000 winners all over South and North America. And he certainly showed plenty of dash in adding another to the lengthy list when, despite a rough passage in transit, Let Us Famous prevailed by a short head over 5-2 favourite Super, winner of the recently run Macau Gold Cup. Let Us Famous was treated warily by punters, possibly used to seeing Tony Ives in the saddle but the English rider had opted for The Wheel, trained by Joe Murphy. And Let Us Famous was also drawn in barrier 13 for the 1,800-metre event. Barroso did get Let Us Famous into a good position but then ran into trouble when making his challenge at the 200-metre mark. Super, under pressure from The Wheel, shifted away from Colin Dean's whip on to the Ives-ridden gelding and he, in turn, carried Let Us Famous out very wide. But Barroso kept the gelding at it, not losing a stride and he just got up close home to edge out Super with The Wheel third. Barroso's triumph was the most significant on a day which saw the 10-race card go to 10 different trainers and jockeys. Drawing a blank were leading trainer Charles Leck and defending champion jockey, Geoff Allendorf. And it was not a great day for the 5,000 on course who saw only two outright favourites oblige.