Complex sentence: Hou Yifan won the Grand Prix with a perfect score culminating with her third sole victory at the fifth Grand Prix in Jermuk and thus qualified her to face Anna Ushenina in the Women's World Chess Championship 2013.
Split into simpler sentences: Hou Yifan won the Grand Prix with a perfect score culminating with her third sole win at the fifth Grand Prix in Jermuk. Thus she qualified to face Anna Ushenina in the Women's World Chess Championship 2013.