Seven-time champion Stephen Hendry said he was "absolutely delighted" to register his second career maximum 147 at The Crucible.
John Higgins edged a 13-12 thriller against Jamie Cope to set up a World Championship quarter-final clash with Mark Selby.
Defending champion Ronnie O'Sullivan has been knocked out of the World Championships by Northern Ireland's Mark Allen.
Shaun Murphy said he had to put his personal problems to one side to defeat Andrew Higginson in the World Championship first round.
Former champion Peter Ebdon was sent crashing out of the Betfred.com World Championship at the first hurdle by Nigel Bond.
Stephen Hendry admitted he thought he would lose to Mark Williams before coming back to beat the Welshman 10-7 at the Crucible.
Ronnie O'Sullivan defeated practice partner Stuart Bingham 10-5 to easily reach the second round of the World Snooker Championship.
Snooker chiefs hope a new, shortened version of the game to be trialled at the Crucible can replicate the success of Twenty20 cricket.
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