Cho Sonjin
Encyclopedia
Cho Sonjin is a professional Go
player
.
Cho spent 12 years in South Korea
before deciding to leave and become a professional in Japan
, accomplishing his goal two years later. He was promoted to 9 dan
in 1998. In 1999, he defeated Cho Chikun
in the Honinbo
, ending Chikun's 10 year run with the title.
Go (board game)
Go , is an ancient board game for two players that originated in China more than 2,000 years ago...
player
Go players
This page gives an overview of well-known players of the game of Go throughout the ages. The page has been divided into sections based on the era in which the Go players played and the country in which they played. As this was not necessarily their country of birth, a flag of that country precedes...
.
Cho spent 12 years in South Korea
South Korea
The Republic of Korea , , is a sovereign state in East Asia, located on the southern portion of the Korean Peninsula. It is neighbored by the People's Republic of China to the west, Japan to the east, North Korea to the north, and the East China Sea and Republic of China to the south...
before deciding to leave and become a professional in Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...
, accomplishing his goal two years later. He was promoted to 9 dan
Go ranks and ratings
Skill in the traditional board game Go is measured by a number of different national, regional and online ranking and rating systems. Traditionally, go rankings have been measured using a system of dan and kyu ranks...
in 1998. In 1999, he defeated Cho Chikun
Cho Chikun
Cho Chihun 25th Honinbo Honorary Meijin is a professional Go player. His total title tally of 71 titles is the most in the history of the Japanese Nihon Ki-in. Cho is the only player to hold the top three titles—Kisei, Meijin, and Honinbo—simultaneously which he did for 3 years in a row...
in the Honinbo
Honinbo
Honinbō was the name of one of the four major schools of Go in Japan. Easily the strongest school of Go for most of its existence, it was established in 1612 and survived until 1940....
, ending Chikun's 10 year run with the title.
Titles and runners-up
| Title | Years Held |
|---|---|
| Current | 5 |
 Japan HoninboHoninbo Honinbō was the name of one of the four major schools of Go in Japan. Easily the strongest school of Go for most of its existence, it was established in 1612 and survived until 1940.... |
1999 |
| Japan NEC Cup NEC Cup The NEC Cup is a Go competition, supported by NEC Corporation.-Biography:The NEC Cup is a Go competition used by the Japanese Nihon-Kiin. Unlike the big three titles in Japan, the NEC Cup is a single knockout tournament where players have less time to think. The field of challengers is 16... |
2006 |
| Japan Agon Cup Agon Cup The Agon Cup is a Go competition.-Biography:The Agon Cup is a Go competition used by the Japanese Nihon Kiin. It was started in 1994 by Agon Shu. The name was originally the "Acom Cup" but it changed its sponsor in 1999 and became the Agon Cup... |
2000, 2001 |
| Japan Shinjin-O Shinjin-O The Shinjin-O is a professional Go competition.An annual Japanese tournament, it has been held continuously since 1976.- Format :... |
1991 |
| Defunct | 1 |
| Japan Shin-Ei Shin-Ei -Outline:The Shin-Ei was a Go competition held where players under the age of 30 and 7 dan would compete in.-Past winners:... |
1991 |
| Continental | 2 |
 Mainland China Japan China-Japan Agon CupChina-Japan Agon Cup The China-Japan Agon Cup is a Go competition.-Outline:The China-Japan Agon Cup is a tournament where the current Agon Cup/Ahan Tongshan Cup title holders from China and Japan play each other.-Past winners:... |
2001, 2002 |
| Title | Years Lost |
|---|---|
| Current | 4 |
| Japan Kisei Kisei The Kisei is a Go competition. The title, meaning go sage in Japanese, was a traditional honorary appellation given to a handful of players down the centuries. The element ki can also apply to shogi, and there were also recognized kisei in the shogi world.-Background:Kisei is a Go competition... |
2001 |
| Japan Honinbo Honinbo Honinbō was the name of one of the four major schools of Go in Japan. Easily the strongest school of Go for most of its existence, it was established in 1612 and survived until 1940.... |
2000 |
| Japan Tengen Tengen (Go) Tengen is the name of a Go competition in Japan.The name Tengen refers to the center point on a Go board.The event is held annually, and has run continuously since its inauguration in 1975.... |
2002 |
| Japan Shinjin-O Shinjin-O The Shinjin-O is a professional Go competition.An annual Japanese tournament, it has been held continuously since 1976.- Format :... |
1995 |
| International | 1 |
 South Korea Japan Mainland China  Republic of China Samsung CupSamsung Cup The Samsung Cup is a Go competition.-Outline:The Samsung Cup is an international competition. The Samsung Fire & Marine Insurance of Korea and Hanguk Kiwon host the competition. The format starts with a preliminary tournament in which even amateur players are allowed to play... |
1999 |