SUNNYHILLBOY (13-2 favourite) provided Jonjo O'Neill with a second winner of the week in the Fulke Walwyn Kim Muir Challenge Cup.
While his form figures left something to be desired, the betting suggested a big run was expected.
Second in the Byrne Group Plate in 2010 and third in the Irish Grand National last season, he was given a confident ride by Alan Berry.
Becauseicouldntsee made a very bold bid from the front and had everything else in trouble, but failed to hold the late surge of the winner.
O'Neill's nine-year-old went on to win by four and a half lengths with Exmoor Ranger third and Up The Beat fourth.
Byrne Group Plate Handicap Chase
SALUT Flo landed a gamble with a gutsy all-the-way success in the Byrne Group Plate Handicap Chase at Cheltenham.
The 9-2 favourite, trained by David Pipe and ridden by Tom Scudamore, ran his rivals ragged and kept pulling out more, despite making the odd mistake.
The Cockney Mackem (10-1), who was also well-backed, put in a strong late challenge but was still six lengths down at the line as Salut Flo kept up the gallop.
Glam Gerry (33-1) was four and a half lengths back in third just ahead of Divers (8-1) in fourth.
Ladbrokes World Hurdle
Big Buck's made Ladbrokes World Hurdle history with a fourth successive victory in the stayers' championship at Cheltenham.</p>The Andy Stewart-owned nine-year-old, trained by Paul Nicholls and ridden by Ruby Walsh, had to work hard to ward off Voler La Vedette to take his winning streak over hurdles to 16.
The 5-6 favourite battled on tremendously to win by a length and three-quarters from Voler La Vedette (20-1) with Smad Place (20-1) seven lengths away in third.
Riverside Theatre got up in the final strides to give Nicky Henderson a sixth winner at the meeting with a dramatic victory in the Ryanair Chase at Cheltenham.
Barry Geraghty galvanised the eight-year-old, part-owned by actor Jimmy Nesbitt, to deny Albertas Run a third successive win in the race.
Riverside Theatre, the 7-2 favourite, snatched the spoils by half a length from Albertas Run (10-1) with Medermit (8-1) another half a length away in third.
Cape Tribulation won the Pertemps Final under Denis O'Regan.
Malcolm Jefferson's eight-year-old cruised through the contest under and took it up jumping the last.
Catch Me had also travelled well throughout but couldn't quite match the winner up the hill who was three-quarters-of-a-length clear at the line.
Cantlow was third with Houblon Des fourth.
Jewson Novices' Chase
Sir Des Champs put down a Gold Cup marker for next year after maintaining his unbeaten record for Willie Mullins in the Jewson Novices' Chase.
The six-year-old, ridden by Davy Russell, shrugged off the attentions of Champion Court after the last to bound clear for a convincing four-and-a-half-length success.
For Non Stop was another nine lengths back in third, while fancied runners Peddlers Cross and Cristal Bonus were both disappointing as Sir Des Champs (3-1) proved a classy winner.