Buuxi weedha soo socota: Sanadkii 2006 wuxuu ka qeyb galay tartanka
Ciyaaraha Chess Olympiad markii ugu horeysay. Sanadkii 2013, Ziska wuxuu helay heerkiisii ugu horreeyay ee looga baahan yahay cinwaanka GM ee Riga Technical University Open 2013. Isla tartankii ka dhacay Riga, wuxuu ku guuleystay tartankii blitz (Tournament D) isagoo helay dhibco 9.5/11 dhibcood.