Connections of Sir Des Champs feel he could be more at home over three miles in the Lexus Chase at Leopardstown.
Willie Mullins' exciting prospect lost his unbeaten record over fences when being put in his place by Flemenstar on his return in the two-and-a-half-mile John Durkan at Punchestown.
Eddie O'Leary, manager for owners Gigginstown House Stud, said: "It's a fantastic race and we are trying to beat a very good horse in Flemenstar. Sir Des Champs has had a run now and it's three miles on a more galloping track, which should suit."
O'Leary added: "He has to show up well, really. If Flemenstar beats us again, he is the better horse and we'll have to go somewhere else. If he beats us again, Flemenstar will be Ireland's Gold Cup horse for this season."
First Lieutenant and Quito De La Roque also carry the Gigginstown silks, and O'Leary said: "First Lieutenant has a chance as well, and so does Quito. We still think Quito is a good horse. He has cheekpieces on and hopefully that will help him. All three have them have chances, but obviously Sir Des Champs is our main hope."
Gigginstown's retained rider Davy Russell has unsurprisingly opted to ride Sir Des Champs, but insists it was not easy to pass over First Lieutenant.
"We're in there with a fighting chance. Hopefully he's up to competing at this level, whether he's up to winning only time will tell. I don't know if he's going to improve a lot for his first run. I suppose the longer distance might help him improve as much as anything," said the champion jockey.
"It wasn't a straightforward decision to ride Sir Des Champs. First Lieutenant is well up there in my mind and he is no back number, I can tell you. Quito has been a bit disappointing on his last couple of runs. Hopefully he can improve a bit."
2 September 2014ARC "committed" to Newcastle plan
Panther primed for Leger mission
Noble on Champion Mission
Danzeno to enter big league
Story set for Dubai return
Ruler in line for Foy return
BHA turn down Newcastle bid
Towcester not "turning its back"
Demuro booked for Moon Arc prep
Chicquita nears return
Murphy excited by Purse
Surprise Matron aim for Tapestry
Maguire nearing racecourse return
Estimate among bumper Cup entry
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Regard among September possibles
Cox takes Haydock plunge with Love
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1 September 2014McCain salutes retiring Peddlers
Seven Towcester meetings go to ARC
Further checks for Condon
Due set to miss Sprint date
Condon 'stable' after Cork fall
Queen rules supreme for Smith
River eases to debut success
Carla tops it up to four
Atzeni strikes on Cappella
Ocean team want Haydock rain
Big time beckons for Orange
Palmer aims high with Aktabantay
Hills ponders Dutch gameplan
31 August 2014Atzeni strikes on Cappella
Imminent return Likely
Logic on comeback trail
Dan edges closer to Mile high
Keane error costly for Unrequited
Notarfbad makes all in Mildmay
Orange enjoys Big win
Fabre strikes with Fintry
Akta in late Solario swoop
Icon takes starring role
Pearl fires home in Bullet
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30 August 2014Keane error costly for Unrequited
Shepherd's sent to Tower
Time will tell for Charlton
Stack filly Alive to chance
Sansevero sent to Tower
Palmer plots Solario success
Fabre has high hopes for Fintry
Belardo team keen on Champagne
Rigueur targets Chester consolation
Native in hunt for Bullet gains
Arc still target for Taghrooda