Cao Youyin
Keywords: People
Cao Youyin, formerly known as Cao Cheng, is a Chinese pro 1 dan born 1987-02-16. She was promoted 1 dan in 2000, 2 dan in 2005 and 3 dan on 2009-07-30.
Winner, in 2007, of the 1st Women Xinrenwang championship.
Winner of the 2010 Chinese National Women Individual.
Winner of the 2010 Chinese National Women Individual (2011-09-25).