Strong Ballydoyle Tetrarch entry Aidan O`Brien is responsible for six of the nine entries for the Mozart EBF Tetrarch Stakes at the Curragh on Monday.The Ballydoyle trainer can choose between Century City, Crookview, Maderno, Nostradamus, Roar Of The Tiger and Temple Of Artemis to represent him in the Group Three contest for three-year-olds over seven furlongs.O`Brien has just three - Bach, Milan and Shoal Creek - among a total of entry of 21 for the Peintre Celebre EBF Mooresbridge Stakes.Two British horses - Ian Balding`s Border Arrow and The Ray White-trained Zarin - are possibles for the Listed contest over a mile and a quarter.