Jessica Harrington's Jumbajukiba showed his rivals a clean pair of heels when making every yard of the running to land the Group Three Castlemartin and La Louviere Studs Gladness Stakes at the Curragh.
Fran Berry allowed the 12-1 chance to pull well clear by halfway, but kept enough in the tank to win by three-and-a-half lengths.
Major Cadeaux travelled well but was forced to settle for second, while the Aidan O'Brien-trained favourite US Ranger trailed in third.
Georgebernardshaw is a transformed horse this season and made it two out of two with a commanding success in the Bank Of Ireland Loughbrown Stakes. Aidan O'Brien's 15-8 chance stormed clear in the closing stages to beat Croi Mo Ri by seven lengths.
Kevin Prendergast secured a double on the card when Red Moloney ran on strongly in the closing stages of the Listed Ascon Rohcon Alleged Stakes.
Baron De'L charged into a lengthy early lead, but as he started to backpedal 2f out, Declan McDonogh brought the 9-2 chance into contention, before getting on top of Deauville Vision in the closing stages to register a length-and-a-quarter success.
Favourite Macarthur was off the bridle a long way from home and never got into contention.
Alhaban (5-2) had started Kevin Prendergast's double when he got the better of a protracted duel with favourite Prince Forever before going on to an impressive success in the opening Michael Murphy and Co Ltd EBF Maiden Stakes.
Queen Of The Night, a half-sister to Falbrav, could only manage a -length third to Angel Story on her debut in the P. G. Duffy and Sons Citroen EBF Maiden Stakes.
Optimus Prime lowered the colours of hot favourite Le Toscan in the Waterford and Tramore Directors Chase at Tramore.
The betting suggested a two-horse race and so it proved, with the pair alternating in front, but Optimus Prime (5-2) saw out the trip well under Coleman Sweeney to score.
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