Richard Hughes led home an Irish 1-2 in the Titanic Quarter Shergar Cup Classic and catapulted the Emerald Isle to the top of the tree in the jockeys' competition at Ascot.Hughes guided Polly's Mark to victory ahead of compatriot Seamie Heffernan on Chiberta King. That put Ireland 10 points clear of Europe on 33 points, with the Rest of the World team in third on 20 and Great Britain in last place on 16 points.