<prompt> Lyu dǝ shima zawal buro salakye China Open 2013 ye dǝga wuzǝna.  <response>: Mark Joyce dǝye kǝnasarǝnzǝ dǝga sǝtǝgǝramzǝdǝn. Mark Williams ro 25 lan kәrәngәna. Suro kәntagә July ye dәn, Lyu dәye IBSF World Under-21 Snooker Championship dәa fәtәgәna kuru kәrtu saa indi ro kәla a href2013E280931420snooker20season201314a-a a href2014E280931520snooker20season201415 seasonsa-a dәn. 