Rubuta ci gaba don wannan sakin layi - Demchenko kuma ya lashe lambobin yabo takwas a gasar zakarun Turai ta FIL tare da zinare huɗu (Mutumin maza: 2006
, 2010; Mixed team: 2012, 2014), azurfa biyu (Maza masu zaman kansu: 1996, 2008), da tagulla biyu (Maza biyu: 1996; Mixed team: 2013).