Sir Michael Stoute's raider Eleanora Duse edged home in a thrilling finish to the feature www.thetote.com Blandford Stakes at the Curragh.
Third in the Yorkshire Oaks on her last outing, the 3-1 favourite was brought with a strong run in the closing stages of the Group Two contest by Ryan Moore and caught Lush Lashes with half a furlong to travel.
But she could not go clear and in the end she had just a short head to spare as She's Our Mark arrived with a late lunge, with Choose Me only a head further behind in third.
Aidan O'Brien's one-time leading Classic hope Steinbeck is inching up the ladder and he continued his progress with a stylish success in the O'Brien's Wines Supporting Jack & Jill Solonaway Stakes.
Sent off the 11-8 favourite, he led a furlong and a half out in the hands of Johnny Murtagh and comfortably held the late challenge of Wade Giles by three-quarters of a length, with Arazan finishing a fine fourth on his return to the track.
Murtagh completed a Group Three double when he delivered the Charles O'Brien-trained Bewitched with a late thrust to take the Michael Kinane Renaissance Stakes.< Croisultan who was prominent all the way, saw off Snaefell in the final furlong but could not resist the 3-1 favourite, who won going away by a neck.
David Wachman introduced a potentially smart filly in Chrysanthemum who showed a useful turn of foot to take the Listed Flame Of Tara EBF Stakes.
The 25-1 shot moved up to track the leaders heading for the final furlong and when Fran Berry asked her to quicken, she burst through to score by two and a half lengths.
Joseph O'Brien, who won the last two races on Saturday, completed a personal treble when keeping Kammaan (7-1) going to take the opening Derek O'Sullivan Memorial Apprentice Handicap, giving David Nagle his first winner as a trainer.
Padraig Beggy doubled up with Ballivor (16-1) in the Anglesey Lodge Equine Hospital Handicap and Knock Stars (7-1) in the Jack & Jill Foundation Nursery.
