Zhao Xintong urges snooker stars to do opposite of Judd Trump and Ronnie O'Sullivan / Zhao Xintong gesture seconds after Ronnie O'Sullivan win speaks volumes / Nothing to separate Ronnie O'Sullivan and Zhao Xintong after opening session / Ronnie O'Sullivan makes honest admission after 'lucky' run to World Championship semi-final / Snooker scores: Ronnie O'Sullivan charges into semis, Luca Brecel crumbles vs Trump / Ronnie O'Sullivan v Si Jiahui LIVE: World Snooker Championship result and scores as Trump blasts past Brecel / Ronnie O'Sullivan and Luca Brecel seal quarter-final places with quick-fire wins / Ronnie O'Sullivan 'feels horrible and so unconfident' despite thrashing Crucible rival / John Higgins shows true colours as he tells pundits they're annoying Ronnie O'Sullivan