【 emperor prize 】Heavy prize race that JRA enforces. Spring and autumn are held twice a year. Emperor room Oshouten founded in 1905 is an antecedent. It was arranged to holding (spring, Hanshin racetrack, and autumn and Tokyo Racecourse) twice a year in the autumn on 1937 the next day when each horse racing club was integrated into a Japanese race meeting in 1936 at that time though the official recognition horse racing club in nationwide various places had originally held respectively. The ascot Gold cup in Britain is assumed to be an example, and the horse that controls the long distance is * 1 that both were enacted from the idea with the strongest horse to the distance of 3200 meters in turf at spring and autumn. The race from 1947 to spring is transferred to Kyoto Racecource. Moreover, ..".. emperor according to the Imperial Household Agency imperial grant from the same year.