Kammala jumla mai zuwa: Demchenko ya kuma lashe lambobin yabo guda takwas a Gasar Cin Kofin Turai ta FIL tare da zinare huɗu (Mutum daya: 2006, 2010; Mixed team: 2012, 2014), azurfa biyu (Mutum daya:
1996, 2008), da tagulla biyu (Maza biyu: 1996; Mixed team: 2013).