http://www.drf.com/news/single-pool-wagering-opens-new-bet-types-many-find-it-too-complex The parimutuel system has undergone several changes in the 84 years since it was adopted at U.S. racetracks, allowing new bet types, accepting wagers from far-flung locations and in different currencies, and calculating prices when takeout rates have differed between jurisdictions. But the basic math has remained the same: Minus the takeout, winning bettors […]