Shamardal won his second major Group 1 race in nine days with a shockingly easy victory in the St. James's Palace Stakes on Tuesday's opening day of Royal Ascot at York, England, while French invaders Valixir and Chineur scored minor upsets in two other big races.

Ouija Board makes her first start since winning the Breeders' Cup Filly and Mare Turf at Lone Star Park when she lines up for the Prince of Wales's Stakes on Wednesday, the highlight of the second day of the five-day Royal Ascot at York meeting.

Kieren Fallon is set to ride last year's disqualfied Arlington Million winner, Powerscourt, for Aidan O'Brien, so Jamie Spencer - the jockey aboard Powerscourt at Arlington - will take the mount on Ouija Board, whom he rode twice as a 2-year-old.

Sunday was coronation day at Chantilly where Divine Proportions established herself as the best 3-year-old filly in the world with a devastating performance in the Group 1 Prix de Diane.

The undefeated daughter of Kingmambo maintained her perfect record in the $960,000 French Oaks with a runaway victory in which she inflicted a personal slap in the face to her main rival, the previously unbeaten Vadawina.

Mighty Beau begins his bid for a Royal Ascot sprint double in the Group 2 King's Stand Stakes over five furlongs at York on Tuesday. If all goes well there, then it is on to the Group 1 Golden Jubilee Stakes, over an extra furlong, on Saturday.

The Royal Ascot meeting is being run at York because Ascot is being renovated. Construction is expected to be finished by next year's Royal Ascot meeting.

PARIS, France - Divine Proportions and Vadawina will square off in a mouthwatering renewal of the $960,000 Prix de Diane, or French Oaks, at Chantilly on Sunday.

Asakusa Den'en, upset winner of the Group 2 Keio Hai Spring Cup over seven furlongs at Tokyo Racecourse last month, followed up with a victory in the Group 1 Yasuda Kinen over an extra furlong there on Sunday.

Jockey Shinji Fujita had Asakusa Den'en in midpack until the straight, then pulled him out, and he quickened to catch Silent Witness 50 yards from home, with Sweep Toho in hot pursuit.

Chantilly, France - Shamardal, whose career looked like it was in tatters after a dreadful performance in the UAE Derby in March, scored his second classic victory in a row on Sunday as he led throughout under a brilliant ride from Frankie Dettori to land the $1.8 million Prix du Jockey-Club at Chantilly.

EPSOM, England - Motivator needed little encouragement from jockey Johnny Murtagh on Saturday as he quickened clear to an overpowering five-length victory in the 226th running of the $2.25 million Epsom Derby.

Silent Witness, who failed in the attempt to extend his unbeaten career record to 18 at Sha Tin three weeks ago, tries to resume his winning ways in the Group 1 Yasuda Kinen, over one mile at Tokyo Racecourse on Sunday. It will be his first race at any course other than Sha Tin.

The 6-year-old Silent Witness, who will be ridden by Felix Coetzee, faces the horse who beat him in the Champions Mile on May 14, Bullish Luck. Also in the field is Bowman's Crossing, who finished 5 1/2 lengths back in fourth in the Champions Mile.

Hurricane Run holds all the aces in Sunday's $1.8 million Prix du Jockey-Club at Chantilly.

A runaway five-length winner of the Group 2 Prix Hocquart on May 9, the Andre Fabre-trained Hurricane Run is adaptable enough to cut back to 1 5/16 miles, the shortened distance of this year's Prix du Jockey-Club.

Anyone seeking value, however, must consider Gharir. Trained by John Hammond, Gharir was a fast-closing third in the French 2000 Guineas, a race that was won by a revivified Shamardal.