A total of 151 horses remain in the five QIPCO British Champions Day races after the second entry stage, the highest number in the past six years. The event will be staged at Ascot on Saturday, Oct. 19. The G1 QIPCO Champion Stakes sees G1 Irish Champion Stakes hero Economics (GB) (Night Of Thunder {Ire}) square off with Franci-Henri Graffard's G1 International Stakes runner-up Calandagan (Ire) (Gleneagles {Ire}), and Jean-Pierre Gauvin's Iresine (Fr) (Manduro {Ger}). Joseph O'Brien's Group 1 winner Al Riffa (Fr) (Wootton Bassett {GB}) remains in the entries,...