Complex sentence: Hou Yifan won the Grand Prix with a perfect score of three sole wins at the fifth Grand Prix in Jermuk, thus qualified 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.