Kaori Chinen became a professional in 1993. She was promoted to 3 dan four years later in 1997. She married fellow professional go player Yo Kagen in 1997. She holds the female record for longest defense of a title, keeping the Women's Kisei for 6 straight years. 
Titles & runners-up
|Women's Honinbo||1997–1999, 2004|
|Women's Honinbo||1995, 2000, 2002|
|Women's Kisei||2004, 2006|
- . Retrieved 2010-12-27.