 In April 1883 Tristan won a Queen 's Plate at Epsom and then collected a second Epsom Gold Cup at the Derby meeting on 25 May , winning by three lengths from a field which included the Derby winner <unk> . Between these races he was beaten when attempting to <unk> three pounds to the unbeaten Irish horse <unk> in the Westminster Cup at <unk> . On this occasion he reportedly showed " a good deal of temper " before the race and ran " <unk> " . 
