Scot has left the World Snooker circuit . Tabb , 47 , was the first female to referee a World Championship final . The Referee Michaela Tabb refereed on the circuit for 14 years .
Referee Michaela Tabb has left the World Snooker circuit . Tabb , 47 , was the first female to referee a World Championship final . The Scot refereed on the circuit for 14 years .