RACING'S latest superstar, Weekend Hussler, demonstrated his champion qualities when he overcame a horror week to claim a thrilling Randwick Guineas at headquarters yesterday.

Jockey Brad Rawiller nosed out brother Nash Rawiller, who was on a gallant Triple Honour, in a photo finish questioned by the connections of the runner-up.

But Racing NSW chief steward Ray Murrihy said Nash Rawiller and Triple Honour's trainer, Chris Waller, were "content there was a margin" after looking at the photo finish in the on-course van.

"When the photo went up on the in-field screen I thought it was a dead-heat," Nash Rawiller said. "That would have been the greatest, two brothers dead-heating a group 1 event."

Brad declared such a result "would have been awesome", but added that "it would have killed me if it was a dead-heat - at the end of the day I'm on the best horse".

Weekend Hussler trainer Ross McDonald watched the race from a position opposite the winning post in the parade ring along with wife Margaret and son Clinton.

"I won two Caulfield cups by a nose but that's the closest," McDonald said. "He got a bit further back than we thought, but he motored home.

"He is great horse, we've had a bit of a hectic week but he has come through with flying colours."

Waller, meanwhile, found comfort in defeat. He knows that Triple Honour took the fight to Weekend Hussler, which arrived on the scene last spring and has now won five group 1 races from just 10 career starts. "My bloke is a serious horse but he is still six months away," Waller said. "At least we know we've got a horse now, Weekend Hussler is real good."

Weekend Hussler arrived in Sydney from Melbourne on Wednesday but the gelding played up in McDonald's horse float, losing hair off a hind leg. Racing NSW vets inspected the horse three times before passing him fit to race yesterday. "You are always worried, aren't you?" McDonald said.

Weekend Hussler will be floated back to Melbourne today and McDonald is still unsure if the Hussonet galloper will run in the Doncaster Handicap, for which 57.5 kilograms awaits.

"He'll run in the George Ryder if we bring him back," McDonald said. "As for the Doncaster, it all depends what accepts in it."

For Triple Honour, Waller said: "The George Ryder is the logical option for us and he has only got 51kg in the Doncaster."

McDonald said he had no doubt Weekend Hussler got a "bit of experience" from competing in Sydney for the first time yesterday and reiterated that races such as the Cox Plate were worthy goals.

"You saw how he relaxed today, he'll relax and go to sleep, and he can reel off good sectionals at the end of a race," he said. "If he can do that in a staying race, he'll be pretty hard to beat."

Weekend Hussler started a pronounced $1.65 favourite yesterday, followed by Triple Honour ($21) and Arlington ($51), which finished a further neck away in third place.

"I thought a stride out, I've got it," Brad Rawiller said. "I've got it, but then on the line I thought, 'Have I got it'?"

Brad also recalled the time he and his brother finished first and second in the Underwood Stakes a couple of years ago. "Nash beat me on Elvstroem, I was on She's Archie," he said.

"That was his champion, this is mine."