Jim Bolger followed Sunday's 1000 Guineas success with Finsceal Beo when Creachadoir won the Aussie Rules EBF Tetrarch Stakes at the Curragh.
The King’s Best colt, who holds an entry in the Boylesports 2000 Guineas back at the Curragh, hit the front a furlong out and ran on strongly for Kevin Manning.
Creachadoir, the 11-4 favourite, was involved in some crowding on the far side before the elbow but soon got a good position as Mr Napper Tandy set the pace.
British raider Mr Napper Tandy, trained by Mick Channon and ridden by Darryll Holland, stuck on well for second place, three lengths behind the easy winner.
Bolger said: “The Irish Guineas is definitely on the agenda now.”