11/03/2010 10:59AM

Racing Post Ratings for American Cup Contenders

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Inquiries are frequently made about how to compare Racing Post Ratings to Beyer Speed Figures. Unfortunately, the answer is "You can't." The two numbers are based on different criteria. Trying to subtract a certain number of points from a Racing Post Rating (RPR) to arrive at a Beyer Speed Figure is an exercise fraught with danger.
Fortunately, the Racing Post, Britain's leading racing daily, does compute RPR's for American races, races in the United Arab Emirates, as well as stakes in Japan, Hong Kong, Singapore and Australia. To alleviate the numbers problem. here are the RPR's for all of the leading American and foreign contenders in the Breeders' Cup races in which foreign-trained horses are running. The ratings shown are the best achieved by a horse this year, regardless of surface or distance.
Keep in mind that weight carried is taken into account in RPR's. Thus, Paco Boy received a 127 when finishing a neck second to Goldikova in the Queen Anne Stakes, for which Goldikova received a 125, because Goldikova was getting 3 lbs. from Paco Boy that day. On Saturday in the Mile, Goldikova will once again be in receipt of 3 lbs. from Paco Boy.

MARATHON Awesome Gem 116, Alcomo 111, Giant Oak 111, Prince Will I Am 107, A. U. Miner 106, Bright Horizon 103, Precision Break 100

JUVENILE FILLIES TURF Together 111, Kathmanblu 104, Winter Memories 102, Quiet Oasis 100, New Normal 98, Tale Untold 96

FILLY & MARE TURF Midday 124, Red Desire 118, Plumania 116, Harmonious 111, Miss Keller 110, Hibaayeb 109

JUVENILE FILLIES Tell A Kelly 109, Theyskens' Theory 109, A Z Warrior 102, R Heat Lightning 102, Awesome Feather 100

JUVENILE TURF Master of Hounds 115, Utley 108, Mantoba 102, Soldat 100, Air Support 99

JUVENILE Uncle Mo 116, Jaycito 114, Boys At Tosconova 112, Stay Thirsty 107, Biondetti 105

MILE Paco Boy 127, Goldikova 125, Sidney's Candy 123, Court Vision 122, Gio Ponti 121, Delegator 116, Proviso 114

TURF Workforce 130, Behkabad 127, Debussy 122, Dangerous Midge 121, Telling 115, Winchester 115, Al Khali 111, Champ Pegasus 106

CLASSIC Quality Road 130, Lookin At Lucky 129, Blame 125, Zenyatta 124, Espoir City 123

As evidence of how widely the opinions of Andy Beyer and the Racing Post mavens who produce the RPR's differ, there is the case of Proviso. She has received a 114 RPR in her last four races, but her Beyer number for those four, going backwards in time are 102, 97, 95 and 93.
Also, take note that Debussy received his 122 when winning the Arlington Million, but got just a 121 for his thrid-place finish in Newmarket's Champion Stakes last time.
Keep in mind that the Racing Post Rating is a handicap rating. If these horses are equally weighted in a race, the horse with the highest rating is generally expected to win. If you think otherwise, whether it is because you believe the horse is off-form, won't like the distance, or the surface, or has received a disadvantageous post position, bet against it.