Live coverage from the Guild Hall, Preston, of the second round of the Grand Prix. Barring shock results in the previous round, this afternoon's matches should include appearances by champion Mark Williams , rapidly rising star Stephen Maguire and "people's champion" Jimmy White. www.bbc.co.uk/snooker INTERACTIVE: digital viewers can view uninterrupted live coverage, action from other tables, plus a news and statistics service, via the red button