Complex sentence: Burnett, the world number 49, was 4--3 ahead and had potted the final red, but he missed the black, however, and Hendry forced a deciding frame which he won.
Split into simpler sentences: Burnett, the world number 49, was 4--3 ahead and had potted the final red. He missed the black, however, and Hendry forced a deciding frame which he won.