QINHUANGDAO, CHINA - MAY 15:  Sarah Ourahmoune (Red) of France fights against Stoyka Petrova (Blue) of Bulgaria in the Women's 51kg preliminary match during the AIBA Women's World Boxing Championships on May 15, 2012 in Qinhuangdao, China. The AIBA Women's World Boxing Championships 2012 which is a London Olympic Games Qualifying Event will be held from May 11 to 19.  (Photo by Feng Li/Getty Images)