Changing Course left his previous form behind to win for the first time at the 11th attempt in the Anne-Marie Donovan Happy Birthday Beginners Chase.
Henry de Bromhead's six-year-old had just moved up to join Our Symphony at the second-last in the two-mile-one-furlong contest when the long-time leader fell, hampering the well-fancied Quintana, who unseated his rider.
Ian Power grabbed the opportunty presented to him with both hands and kept Changing Course (14-1) going for a ready nine-length victory over the favourite, Mustangsallyrally.
Mantra Leader was sent off an 11-2 chance for the Cashel Maiden Hurdle and romped away with the two-and-a-half-mile event under Paul Carberry.
The Paul Moloney-trained seven-year-old jumped to the front four out, but the decisive move came after the third-last when he kicked clear as favourite The Ginger Man tried to keep tabs on him.
Mantra Leader popped over the last and Carberry had the luxury of a look over his shoulder as he eased down to win by five lengths from the staying-on Takeyourpick.
Bumper winner Rickardstown put four indifferent performances over timber behind him with a gutsy victory in the two-mile Powerstown Handicap Hurdle.
Mick Darcy sent the 12-1 shot on approaching the second-last and made the best of his way home, but they were queueing up to challenge him coming down the straight.
Kieran Purcell's five-year-old stuck on gamely, however, and held No Rows by a length and a quarter.
Tony Martin's 5-2 favourite Grand Corniche was under pressure from Ruby Walsh to get into the race off the final bend, but never struck a blow.
When the action switched to the Flat, Crystal Swan ran out an easy winner of the 10-furlong Irish Stallion Farms EBF Fillies Maiden under Wayne Lordan.
David Wachman's 8-11 favourite, who had not been disgraced in the company of some smart sorts, made all and had her rivals in trouble turning for home before keeping on well to beat Spanish Cross by nine lengths.
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