Don Poli produced a spectacular staying performance as the heavily-backed 13/8 favourite roared up the energy-sapping Cheltenham hill with consummate ease, as he pulled clear of Southfield Theatre to take the Grade 1 prize by six lengths and he shaped as he could be the next superstar of the staying division.
As expected Kings Palace was a key figure at the start of the RSA Chase as he set the early fractions, but he was joined by The Young Master on the front end and the pair set a decent gallop from the outset, as Don Poli was kept in behind the leaders.
Bryan Cooper was forced to get busy on a few occasions to keep Don Poli up to his work as Kings Palace quickened the tempo on the second circuit, but The Young Master's chances disintegrated with a few jumping errors and he weakened.
Don Poli cantered to the front as they turned for home and as Kings Palace waved the white flag it was Southfield Theatre and the eye-catching Adriana Des Mottes who looked the main dangers, but traffic problems affected the latter's path in the closing stages.
Southfield Theatre then made a jolting error and it was left to Don Poli to launch up the hill to rapturous scenes in the stands, with Paul Nicholls' Southfield Theatre grabbing third place and Wounded Warrior completing the placings