Hou Yifan (Chinese: 侯逸凡; pinyin: Hóu Yìfán; born 27 February 1994) is a Chinese chess grandmaster and four-time Women's World Chess Champion. A chess prodigy, she is the youngest female player ever to qualify for the title of grandmaster and the youngest ever to win the Women's World Chess Championship.Photograph: Andreas Kontokanis