List of Go players
Korea

Origin
Name
DOB–DOD
Peak rank
Notes
South Korea
Cho Nam-chul (조남철, 趙南哲)
1923–2006
9 dan
Founder of the Hanguk Kiwon.
South Korea
Kang Cheol-min (강철민, 姜哲民)
1939–2002
8 dan
-
South Korea
Kim In (김인, 金寅)
1943–
9 dan
Strongest player in Korea during 1960s and early 1970s. Affiliate of the Hanguk Kiwon.
South Korea
Ha Chan-seok (하찬석, 河燦錫)
1948–
8 dan
Affiliate of the Hanguk Kiwon.
South Korea
Jimmy Cha (차민수, 車敏洙)
1951–
4 dan
Affiliate of the Hanguk Kiwon.
South Korea
Cho Hun-hyun (조훈현, 曺薰鉉)
1953–
9 dan
The strongest Go player in South Korea during the 1970s and 1980s before the period of dominance by his student Lee Chang-ho.
South Korea
Seo Bong-soo (서봉수, 徐奉洙)
1953–
9 dan
was Cho Hunhyun's biggest rival in the '80s. Known for his long list of runner up titles.
China
Jiang Zhujiu (장주주, 江鑄久)
1962–
9 dan
Affiliate of the Hanguk Kiwon.
China
Rui Naiwei (루이나이웨이, 芮乃伟)
1963–
9 dan
First woman to attain rank of 9-dan and widely considered to be the strongest female player of all time, also won the open Guksu title in 1999.
South Korea
Yoo Chang-hyuk (유창혁, 劉昌赫)
1966–
9 dan
6 time world champion, one of the strongest players of 1990s. Affiliate of the Hanguk Kiwon.
South Korea
Janice Kim
1969–
3 dan
Affiliate of the Hanguk Kiwon.
South Korea
Lee Chang-ho (이창호, 李昌鎬)
1975–
9 dan
Considered one of the greatest players of all time, he was the strongest player in the world between 1993 and 2005.
South Korea
Choi Myung-hoon (최명훈, 崔明勳)
1975–
9 dan
Affiliate of the Hanguk Kiwon.
South Korea
An Cho-young (안조영, 安祚永)
1979–
9 dan
Affiliate of the Hanguk Kiwon.
South Korea
Mok Jin-seok (목진석, 睦鎭碩)
1980–
9 dan
Affiliate of the Hanguk Kiwon.
South Korea
Cho Han-seung (조한승, 趙漢乘)
1982–
9 dan
Affiliate of the Hanguk Kiwon.
South Korea
Lee Se-dol (이세돌; 李世乭)
1983–
9 dan
Considered the strongest player in the world after Lee Chang-ho's reign. He beat Gu Li in a Jubango match in 2014.
South Korea
Park Jung-sang (박정상, 朴正祥)
1984–
9 dan
Affiliate of the Hanguk Kiwon.
South Korea
Hong Min-pyo (홍민표, 洪旼杓)
1984–
5 dan
Affiliate of the Hanguk Kiwon.
South Korea
Park Seung-hyun (박승현, 朴昇賢)
1984–
4 dan
Affiliate of the Hanguk Kiwon.
South Korea
Choi Cheol-han (최철한, 崔哲澣)
1985–
9 dan
Affiliate of the Hanguk Kiwon.
South Korea
Pak Yeong-hun (박영훈, 朴永訓)
1985–
9 dan
A young and established Korean go professional. He reached 9 dan after 5 years, making him the youngest Korean 9 dan professional ever.
South Korea
Kim Dong-hee (김동희, 金東熙)
1985–
2 dan
Affiliate of the Hanguk Kiwon.
South Korea
Won Seong-jin (원성진, 元晟溱)
1985–
9 dan
Affiliate of the Hanguk Kiwon.
South Korea
Song Tae-kon (송태곤, 宋泰坤)
1986–
9 dan
Affiliate of the Hanguk Kiwon.
South Korea
Heo Young-ho (허영호, 許映皓)
1986–
5 dan
Affiliate of the Hanguk Kiwon.
South Korea
Ko Geuntae (고근태, 高根台)
1987–
5 dan
Affiliate of the Hanguk Kiwon.
South Korea
Yun Jun-sang (윤준상, 尹畯相)
1987–
6 dan
Affiliate of the Hanguk Kiwon.
South Korea
Kang Dong-yun (강동윤, 姜東潤)
1989–
8 dan
Affiliate of the Hanguk Kiwon.

Question: What is the achievement of Rui Naiwei ?
Answer: Rui Naiwei is the strongest female Go player and the only woman to have won the open title.