 " The Illuminata colt " , as he was still known , was then given a break of three months before returning in the Champagne Stakes at Doncaster in September , in which a horse named Sempronius was his only rival . " The Illuminata colt " led from the start , and when Sempronius moved up to challenge him , he quickened away to win easily . After his win at Doncaster , he was officially named Ladas and was then sent to Newmarket for the Middle Park Plate , the most important two @-@ year @-@ old race of the season . He started at odds of 1 / 5 ( 0 @.@ 2 / 1 ) and was never in any danger , leading at half way and winning the race by two lengths from a filly named Jocasta , with Sempronius two lengths further back in third . 
