Sheffield (England), May 8 (IANS) Ronnie O’Sullivan defeated Ali Carter 18-11 to win the World Snooker Championship here.

O’Sullivan, who has slipped to 13th in the world rankings, led the first day’s competition 10-7 and gave little chance to 18th-ranked Carter Monday, winning his fourth world title at the Crucible Theatre.

It was almost a rematch of the 2008 Championship final, when O’Sullivan beat Carter 11-8.

Final (best of 35 frames): Ronnie O’Sullivan, England, bt Ali Carter, England, 18-11

Frame Scores (O’Sullivan first, breaks in brackets):

77-37 (56), 121-1 (117), 0-85 (84), 24-58, 86-42 (52), 2-55, 108-0 (92), 141-0 (141), 8-84 (56), 73-21, 69-14 (68), 30-62, 73-8, 60-13, 1-83 (59), 74-34 (62), 3-52, 101-0 (101), 73-12, 62-48, 81-41 (54), 9-59, 34-105 (105), 5-62 (53), 129-4 (64, 55) 92-0 (70), 17-78 (64), 76-0, 82-0 (61)