Mezue ahịrịokwu na-esonụ: Nikola Sedlak (amụrụ 13 Disemba 1983) bụ onye Serbia chess player onye na-ejide utu aha nke Grandmaster (GM) (2003), onye mmeri nke Chess Championship nke Serbia (2010), onye mmeri ọla edo nke Chess Olympiad (
2014), onye mmeri nke EU Open Chess Championship (2007).