i dont know whether legal or illegal....but she're the top players and has played so many comp be4 n never happen this things...legal or illegal is all depend on the referees....im sure tat the referees dont like dinning mch :/ sad case
later 16:57 Malaysia time ~ 1st match zhang jike VS B Vang and later on jun mitzunami chuan chih yuan micheal maze wang hao and others :D cant wait for it !