Riverside City led home stable companion Georges Conn to give trainer Gordon Elliott a one-two in a dramatic Ladbrokes Troytown Chase at Navan.
The Cullentra handler, successful in last year's renewal with Balbriggan, declared four horses for the prestigious handicap, but his team was halved after Azorian and Bonisland were taken out.
Empire Of Dirt and Kylecrue disputed the lead throughout and remained to the fore at the top of the home straight.
Empire Of Dirt was still in with every chance when crashing out three fences from the finish.
Six horses were in contention after jumping the next, after which in-form mare Ballychorus started to assert.
However, she was being reeled in by the Elliott duo when she came to grief at the last.
Her departure left the stablemates clear and it was Riverside City (8-1) who emerged victorious by a length and three-quarters under 16-year-old conditional Jack Kennedy. Kylecrue was 14 lengths back in third.
Kennedy, completing a double after earlier scoring on Elliott's Baroque Style, said: "It's my first winner over fences and to get it in such a big handicap is lovely.
"I think that was my fifth or sixth ride over fences and I'm very grateful to Gordon and Mr [JP] McManus [owner] for giving me the opportunity.
"I thought he'd go well with such a light weight and he'd come on for the run in Cork the last day. That's six winners for the week, I'm delighted. I couldn't be asking for anything better."
Elliott said: "It's great to win it again, it's my local track and to have the first and second is brilliant. Jack is a very good rider. He's very cool and nothing panics him.
"Georges Conn hasn't won a chase yet, but he could be a horse for a race like the four-miler [National Hunt Chase] in Cheltenham."
After taking the feature Troytown Chase, Elliott and Kennedy completed trebles for the afternoon as Prince Of Scars edged a thrilling Proudstown Handicap Hurdle.
The 9-2 chance just got the better of Russian Bill by a nose, with 7-2 favourite Roll It Out only a short-head back in third.
Elliott said: "Jack gave him a great ride. He's only a young lad of 16 but he was very good there. The horses are running well and it's been a great day.
"The big galloping track suited him. At Clonmel the last day he was all over the place."
Kennedy said: "That's my first treble. I've had them before in pony racing, but this is a totally different level. This horse carries his head a bit high, but he doesn't stop trying."
Augusta Kate kept her unbeaten record intact with a comfortable success in the Coolmore N.H. Sires European Breeders Fund Mares INH Flat Race at Navan.
A daughter of Yeats out of unbeaten race mare Feathard Lady, the Willie Mullins-trained four-year-old is certainly bred for the job and made a huge impression when scoring by upwards of 23 lengths on her racecourse debut at Listowel in September.
Sent off the 4-6 favourite stepped up to Listed class, Augusta Kate sat second for much of the journey as Cashelard Lady cut out the running.
They remained in that order after the turn for home, but Augusta Kate clearly had more in the tank and quickened up well once let down by Patrick Mullins to score by seven lengths.
The winner carries the colours of the Masters Syndicate, made up of leading owners Andrea and Graham Wylie, golfer Lee Westwood, agent Chubby Chandler, ex-footballer Alan Shearer and television presenters Ant and Dec.
Mullins snr said: "She's an extraordinary mare to do what she did against a really good field. I thought it was a very good race on paper. She shows very little at home, but comes alive on the racetrack.
"She's only a four-year-old and we may give her a break and come back for Aintree and Punchestown.
"Looking at her pedigree, I would rather go hurdling than stay on the Flat and, if she takes after her mother, she could be a nice novice next year."
