Meanwhile, Anthony Hamilton subjected Matthew Stevens to his fourth successive defeat since the Welshman won the UKChampionship with a shock 5-1 defeat.
The previous year Williams also picked up the Liverpool Victoria UKChampionship and the Regal Welsh Open on his home turf to place him at the top of the snooker tree.
After the drama, the UK's Richard Burns won the World Rally Championship title, despite Finland's Marcus Gronholm - the 2000 champion - taking the Rally of Great Britain in his Peugeot 206.