George Boughey is confident Believing is firing on all cylinders following a “faultless preparation” for the King Charles III Stakes at Royal Ascot on Tuesday.

After several near-misses at the highest level, the five-year-old finally claimed the Group One win she had long promised in the Al Quoz Sprint at Meydan in late March and having since kept his powder dry for the Royal meeting, Boughey is anticipating another big effort.