Seo Bong-soo

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Seo Bong-soo
Seo bongsoo.jpg
Full nameSeo Bong-soo
Revised RomanizationSeo Bong-su
McCune–ReischauerSŏ Pongsu
Born (1953-02-01) February 1, 1953 (age 66)
South Korea
ResidenceSouth Korea South Korea
Turned pro1970
Rank9 dan
AffiliationHanguk Kiwon

Seo Bong-soo (born February 1, 1953) is a professional Go player.


Seo Bong-soo turned professional in 1970. By 1986 he became the 4th ever Korean 9 dan. He was Cho Hunhyun's biggest rival in the 1980s and frequently challenged Cho in major title events. During their career, Seo and Cho played against each other in more than 350 official games, which is a world record. He was a part of the "Gang of Four"[1] of Korean Go in 1990s, the rest being Cho Hunhyun, Lee Chang-ho, and Yoo Changhyuk. He made an amazing run of wins in 1997 during the 5th SBS Cup. He played as fourth captain for Korea, and beat the entire Chinese team, and what was left of the Japanese team by himself. (winning streak of 9 straight games)


Ranks #6-t in total number of titles in Korea.

Title Years Held
Current 5
South Korea Wangwi 1975, 1980
South Korea Guksu 1986, 1987
South Korea KBS Baduk Wang 1983
Defunct 16
South Korea LG Refined Oil Cup 1999
South Korea Tong Yang Cup 1991
South Korea Chaegowi 1980
South Korea Gukgi 1980, 1988, 1992
South Korea Kiwang 1983, 1988
South Korea Myungin 1971–1974, 1976, 1978, 1983
International 1
China South Korea Japan Taiwan Ing Cup 1992


  1. ^ "Seo Pong-su". Sensei's Library. 30 July 2015. Retrieved 18 February 2016.

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