Michael Sean Redmond is an American-born professional Go player. He is one of only a few such players, as Go is not as widespread or developed outside of China, South Korea and Japan. He is the only Westerner to reach the highest grade of 9-dan.
Lee Chang-ho is a South Korean professional Go player of 9-dan rank. He is regarded by many as the best Go player of the late 1990s and early 2000s. He was a student of Cho Hun-hyun 9-dan. He is the second youngest to become a professional Go player in South Korean history behind Cho Hun-hyun. He is the only player to have won all eight international competitions at least once.
Cho Hunhyun is a South Korean professional Go player and politician. Considered one of the greatest players of all time, Cho reached professional level in Korea in 1962. Since then, Cho has amassed 150 professional titles, more than any player in the world. He thrice held all of the open tournaments in Korea in 1980, 1982 and 1986. Cho has also won 11 international titles, third most in the world behind Lee Chang-ho (21) and Lee Sedol (18). He reached 1,000 career wins in 1995.
Lee Sedol, or Lee Se-dol, is a former South Korean professional Go player of 9 dan rank. As of February 2016, he ranked second in international titles (18), behind only Lee Chang-ho (21). He is the fifth-youngest to become a professional Go player in South Korean history behind Cho Hun-hyun, Lee Chang-ho, Cho Hye-yeon and Choi Cheol-han. His nickname is "The Strong Stone" ("Ssen-dol"). In March 2016, he played a notable series of matches against AlphaGo that ended in 1–4.
Yuta Iyama Kisei, Honinbo, Meijin is a Japanese professional Go player. In April 2016, he became the first player in Japanese history to hold all seven major titles simultaneously. In January 2018, Iyama became the first professional Go player to be awarded Japan's People's Honour Award.
Gu Li is a Chinese professional Go player.
Luo Xihe is a Chinese professional Go player.
Choi Cheol-han is a South Korean professional Go player. He is the fourth youngest to become a professional Go player in South Korean history behind Cho Hun-hyun, Lee Chang-ho and Cho Hye-yeon. His nickname is "The Viper".
The Chunlan Cup, officially the Chunlan Cup World Professional Weiqi Championship, is an international Go competition.
Kong Jie is a Chinese professional Go player.
Kang Dongyun is a professional Go player.
Paek Hongsuk is a professional Go player.
The 1st Bosai Cup was the first edition of the Bosai Cup.
Park Junghwan is a South Korean professional Go player of 9-dan rank.
The 3rd BC Card Cup World Baduk Championship began on 29 January 2011 and concluded 28 April 2011 with Lee Sedol winning his second straight title.
The 15th LG Cup began on 7 June 2010 and concluded on 23 February 2011. Piao Wenyao won the title, defeating compatriot Kong Jie in the final. 32 players from four countries competed in the final knockout tournament:
Shin Min-jun is a South Korean professional Go player.
