The 45th Judan

Judan (Go)

The Judan —which can be translated as "10 dan"—is a Go competition in Japan. It is one of the seven major professional titles.-Biography:...

was held from May 11, 2006 to April 25, 2007. The current sponsor is Sankei Newspapers. The holder is 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...

, and the challenger is Keigo Yamashita

Keigo Yamashita

is a professional Go player. Yamashita adopted the name Honinbo Dowa after winning his first Honinbo title in 2010.-Biography:A student of Yasuro Kikuchi, Yamashita turned professional in 1993. He won the 19th Kisei 2 dan division in 1994. Yamashita reached the challenger finals of the Tengen in 1999...

 for the second time in-a-row. Hideki Komatsu

Hideki Komatsu

is a professional Go player.- Biography :Komatsu was born in Aichi, Japan and quickly rose among the ranks of Go in the 80's and early 90's. He currently resides in Tokyo, Japan.- Promotion record :- Titles & runners-up :-References:...

, Norimoto Yoda

Norimoto Yoda

is a professional Go player.-Biography:Yoda is a student of Takeo Ando. He has won 34 titles so far in his career, the sixth highest in Japan. He became a professional in 1980, and reached 9 dan in 1993...

, Kimio Yamada

Kimio Yamada

is a professional Go player. A territorial player who is adept at invading and living within opponent's spheres of influence, Yamada won his first major title, the Oza, in 1997. He has two older brothers, Shiho Yamada and Wakio Yamada.- Biography :...

, Hideo Otake

Hideo Otake

is a Japanese Go player.- Biography :Otake was born in Kitakyūshū City, Japan. He joined the legendary Kitani Minoru school when he was 9, and quickly rose up the ranks to turn professional in 1956, when he was 14. He progressed swiftly, achieving 9 dan in 1970...

, Koichi Kobayashi

Koichi Kobayashi

is a Go player.- Biography :Koichi Kobayashi was born in Asahikawa, Japan. He was one of the more famous disciples of the legendary Minoru Kitani; he studied along with Cho Chikun, Masao Kato, Yoshio Ishida, and Masaki Takemiya. He would go on and marry the daughter of his teacher, Reiko Kitani , a...

, Kim Shushun

Kim Shushun

Kim Shushun , also known as Kin Hidetoshi, Kim Shujun, or Kim Sujun, is a professional Go player.- Biography :...

, Naoki Hane

Naoki Hane

is a professional Japanese 9 dan Go player currently affiliated with the Nihon Ki-in. He is both the son, and student, of Yasumasa Hane, who is also a professional 9 dan of the Nihon Ki-in.- Titles and runners-up :-Promotion record:-Awards:...

, and Takeshi Sakai qualified through preliminary tournaments. The rest of the players were given spots automatically.

Preliminaries

Winners section

Losers section

Challenger finals

Finals

Player	1 (Niigata Niigata, Niigata is the capital and the most populous city of Niigata Prefecture, Japan. It lies on the northwest coast of Honshu, the largest island of Japan, and faces the Sea of Japan and Sado Island.... )	2 (Gamagori Gamagori, Aichi is a city located in Aichi Prefecture, Japan. As of February 2011, the city had an estimated population of 81,767 and the population density of 1,400 persons per km². The total area was 56.81 km².-Geography:... )	3 (Ōmachi Omachi, Nagano is a city located in Nagano, Japan.As of 2008, the city has an estimated population of 31,079 and the population density of 55 persons per km². The total area is 564.99 km².... )	4  (Matsuyama Matsuyama, Ehime is the capital city of Ehime Prefecture on the Shikoku island of Japan. It is located on the northeastern portion of the Dōgo Plain. Its name means "pine mountain." The city was founded on December 15, 1889.... )	5 (Chiyoda Chiyoda, Tokyo is one of the 23 special wards in central Tokyo, Japan. In English, it is called Chiyoda ward. As of October 2007, the ward has an estimated population of 45,543 and a population density of 3,912 people per km², making it by far the least populated of the special wards... )	T
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... (Judan Judan (Go) The Judan —which can be translated as "10 dan"—is a Go competition in Japan. It is one of the seven major professional titles.-Biography:... )	W+R	B+2.5			B+3.5	3
Keigo Yamashita Keigo Yamashita is a professional Go player. Yamashita adopted the name Honinbo Dowa after winning his first Honinbo title in 2010.-Biography:A student of Yasuro Kikuchi, Yamashita turned professional in 1993. He won the 19th Kisei 2 dan division in 1994. Yamashita reached the challenger finals of the Tengen in 1999... (Challenger)			B+R	W+R		2

External links

• Judan information from Nihon Ki-in
• Igo-Kisen Judan