sentences:  Cheparinov's team claimed the arbiter was not aware of the rule since there is no such rule.The Topalov–Kramnik game at the same tournament started without a handshake, although in that case neither player 'refused' a handshake since neither had offered one.FIDE's behavioural norms state that, [a]ny player who does not shake hands with the opponent [...] before the game starts in a FIDE tournament or during a FIDE match (and does not do it after being asked to do so by the arbiter) [...] will immediately and finally lose the relevant game.