Treve’s already perilous grip on Prix de l’Arc de Triomphe favouritism was firmly loosened at Longchamp yesterday as Criquette Head-Maarek’s star could finish only fourth in the Prix Vermeille.

A new chapter begins with an old associate for Treve tomorrow as she makes her comeback under Thierry Jarnet in the Prix Vermeille at Longchamp.

Jockey Thierry Jarnet insists Treve still possesses "a lot of quality" when the partnership is reunited in the Prix Vermeille at Longchamp on Sunday.

Yesterday’s Prix d’Aumale at Chantilly was due to be a warm-up for Al Naamah ahead of next month’s Prix Marcel Boussac but Al Shaqab Racing might have a different contender altogether after pacemaker Shahah caused a mighty turn-up.

Frankie Dettori has lost the ride on Prix de l’Arc de Triomphe winner Treve and will be replaced by Thierry Jarnet in the Prix Vermeille on Sunday, at the request of trainer Criquette Head-Maarek.

Moonlight Cloud produced arguably the performance of the day as she came from last to first to land the Prix de la Foret at Longchamp.

What had been billed as the most fascinating and complex Qatar Prix de l’Arc de Triomphe in some years was simply reduced to a one-horse show as Treve offered up a quite astonishing performance in Paris yesterday.

Criquette Head-Maarek insists that stall 15 will be “no problem” for Treve as the unbeaten filly bids to beat the statistics in tomorrow’s Prix de l’Arc de Triomphe (3.15) at Longchamp.

Frankie Dettori has been ruled out for the season after he fractured his right ankle at Nottingham today, the jockey’s business manager Peter Burrell has said.

Moonlight Cloud created history at Deauville yesterday with a mesmerising performance in the Prix du Haras de Fresnay-le-Buffard Prix Jacques le Marois.

Moonlight Cloud could clash with top rated colt Intello next weekend after mowing down Lethal Force inside the final furlong to win the Prix Maurice de Gheest at Deauville yesterday for the third successive year.

WOOTTON Bassett lost his unbeaten record in the Poule d’Essai des Poulains at Longchamp yesterday.

The Godolphin team look set to have a strong hand ahead of the French Classics after Andre Fabre gave them a double at Longchamp.

Siyouni had to make do with the runner-up spot as his pacemaker Rajsaman held on to land the Prix De Fontainebleau at Longchamp.

THE Aidan O’Brien-trained Powerscourt and Clive Brittain’s veteran Warrsan, a dual Group One winner this year, spearhead a strong European challenge for next week’s Japan Cup in Tokyo.

Gamut put a smile back on the face of Kieren Fallon when running away with the Grand Prix de Saint-Cloud today.

REFUSE TO BEND’S Vodafone Derby price was on the slide yesterday when negative vibes emerged after the Dermot Weld-trained colt galloped yesterday morning.

RICHARD HILLS was left in high spirits ahead of tomorrow’s Dubai World Cup after he and Nayef completed their big-race build-up with a workout at Nad al Sheba yesterday morning.

Tamburlaine, runner-up to Golan in last year’s Sagitta 2000 Guineas, has been entered in the Dubai Duty Free at Nad Al Sheba on Saturday.