Delaware Park Handicappers' Notebook 2021 Vol. 5 * The Racing Biz
Handicappers’ Toolbox As noted above Glory Dia had an impressive Beyer number on April 19 at Parx. Yet while Beyer numbers are a powerful tool, they’re also popular enough that relying on them alone gives you no edge over the other bettors who also use them. If you want to go old school, consider using the Speed Rating and Track Variant that are also in the DRF. The Speed Rating and Track Variant are the pair of numbers that are directly to the right of the odds in the past performance running line(s) for each horse. The speed rating represents how fast the horse ran relative to the fast...
Source: theracingbiz.com