Q: Why and when was this scheme introduced?

Plus 10 is a bonus scheme for British and Irish flat thoroughbred owners and breeders which pays €12,500 (£10,000) bonuses to qualified two and three-year-old winners of Plus 10 races. It was introduced in 2014, and this year €12,500 bonuses will be available on more than 550 two and three-year-old races, worth almost €7 million.