Three-time satellite champion Mark Williams has go the oldest subordinate to marque a competitory 147 break.
The Welshman, 47, achieved the full clearance successful a 5-3 quarter-final decision by defending champion Neil Robertson astatine the English Open.
Williams collected conscionable 17 points arsenic helium mislaid the archetypal 3 frames successful Brentwood.
But helium went connected to observe the 3rd maximum interruption of his career, adjacent though helium mislaid the match.
Williams' 147 is the seventh maximum interruption of the play truthful acold and 183rd officially recorded successful snooker history.
He made his archetypal competitory 147 interruption against Robert Milkins astatine the 2005 World Championship and his 2nd astatine a insignificant lawsuit successful 2010.
Williams volition slope the £5,000 tourney precocious interruption prize unless the maximum is equalled.
Robertson had 3 centuries - 127, 102 and 100 - successful a high-quality match, with further breaks of 97 and 63 to advancement arsenic helium chases the £80,000 archetypal prize.
Australian Robertson volition look a Saturday semi-final against Mark Selby, who bushed chap Englishman Ali Carter 5-3 successful his last-eight tie.
Four-time satellite champion Selby was level astatine 2-2 astatine the interval, earlier Carter edged up with a interruption of 77.
He past missed a greenish successful the adjacent framework to let Selby to travel backmost and marque his archetypal period of the lucifer with 127. Selby went connected to triumph the quarter-final with breaks of 68 and 73.
In the evening session, Judd Trump faces Luca Brecel and Mark Allen takes connected Ashley Hugill.
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