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O'Brien, Mullins and Weld all out to extinguish Flame in Chester Cup

A field of 17 has been declared for the opening day feature at Chester's extremely popular May meeting and both of Ireland's champion trainers will be represented in the race, th Chester Cup.

Ryan Moore is booked to ride the Aidan O'Brien-trained Justification, while topping the weights is dual Royal Ascot winner Simenon for champion jump trainer Willie Mullins, and Johnny Murtagh is partnered with him. Also in the big one on tomorrow's card, Dermot Weld returns Olympiad to action after more than 200 days off the track and the trainer's stable jockey Pat Smullen will make the journey over for that ride.

Favourite for the Chester Cup is John Quinn's 2012 Triumph Hurdle winner Countrywide Flame who is a fantastic ride for young Kildare jockey Mikey O'Connell, and last year's winner Il De Re is one of two Donald McCain runners in the field as he tries to win the race for a third year running.

Thimaar is McCain's other contender.

The Chester Oaks has attracted 11 fillies with Irish representation coming courtesy of the Ger Lyons-trained Keeping and Dermot Weld's Salhooda. Aidan O'Brien revealed at the Curragh yesterday that he would be represented in the Chester Vase later in the week with Duke Of Marmalade's half-brother Ruler Of The World set to line up in that Derby trial.

Last month's Curragh maiden winner will go to Chester in favour of other entry Nevis who looks Lingfield-bound for their Derby trial with El Salvador going to Navan later in the month and Battle Of Marengo possibly being Ballydoyle's only runner in the Derrinstown Derby Trial at Leopardstown this coming Sunday.