Rui Naiwei
Rui Naiwei is a Chinese professional Go player, now active in South Korea. She is probably the strongest recorded female Go player, and is the only woman to have won one of the major open Go titles.
Biography
She was born in Shanghai, China, and lives in Seoul, South Korea, with her husband, Jiang Zhujiu, also a 9-dan professional. She and Jiang participate actively in Korean tournaments.After starting to play around 1975 she became a pro for the Zhongguo Qiyuan in 1985, being promoted all the way to 7-dan that year. She reached 9-dan in 1988, becoming the first woman ever to achieve that rank. After that, Chinese Feng Yun and Korean Pak Chi-eun became the second, third female go player to reach 9 dan, following Rui Naiwei.
Leaving China in 1989, she moved to Japan. While the Nihon Ki-in did not allow her to play in any Japanese tournaments, she was able to make it to the semi-finals of the international Ing Cup in 1992. She spent several years in the San Francisco Bay Area with her husband, then they moved to South Korea, where she has dominated the women's events and has won two open events, always previously won by men: the Guksu and the Maxim Cup.
Rui's style tends to be extremely aggressive, and often characterized by large scale semeai.
Titles & runners-up
Ranks #6-t in total number of titles in Korea.| Title | Years Held |
| Current | 17 |
 Guksu | 1999 |
| Maxim Cup | 2004 |
| Women's Myungin | 2000–2002, 2004–2007 |
| Women's Guksu | 2000–2002, 2006, 2007 |
| Women's Kisung | 2006 |
 National Women's Individual | 1986–1989 |
| International | 7 |
 Jeongganjang Cup | 2003 |
| Hungchang Cup | 2000, 2001 |
| Eastern Airlines Cup | 2000 |
| Bohae Cup | 1994, 1996, 1997 |
| Title | Years Lost |
| Current | 4 |
| Guksu | 2000 |
| Maxim Cup | 2003 |
| Women's Guksu | 2003 |
| Women's Myungin | 2003 |
| Defunct | 4 |
| LG Refined Oil Cup | 2000 |
 North American Masters Tournament | 1996, 1999, 2000 |