 Complete the following phrase:  Davis began 1987 by winning the Classic 1312 against defending champion Jimmy White. At the 1987 World Snooker Championship, he defeated Griffiths 135 in the quarter-final and White 1611 in the semi-final. Meeting Johnson again in the final, he established a 1410 lead after three sessions. Johnson reduced Daviss lead to 1413, but Davis took four of the next five frames to win the match 1814 and regain the title, his fourth world championship. In December he retained his UK title with a 1614 win against White in the final. Davis retained the Classic in 1988 before claiming his second Masters title: in the final he completed a 90 whitewash of Mike Hallett, the only such result in the events history. He also won the World Cup with England and secured his fourth Irish Masters title. In 