Judan

50th Judan-sen

Host Organization: Sankei Shimbun

Title match

Players 1st round
03-01
Higashiosaka
Osaka
2nd round
03-19
Chiyoda
Tokyo
3rd round
04-05
Omachi
Nagano
4th round
04-18
Osaka
Osaka
5th round
04-25
Chiyoda
Tokyo
Iyama Yuta(Judan) W+R B+R   B+R  
Cho U (Kisei)     B+R    
Iyama Yuta kept the title by 3-1.
The win-loss records; Iyama Yuta 17-20 Cho U.

Tournament table

Players 1st round 2nd round 3rd round Semifinals Challenger
decision
match
Mochizuki Kenichi(7d) Yukawa M
W+R
09-15
Ogata M
W+R
11-24
Ko Iso
B+R
12-22
Cho U
B+R
01-23
Yukawa Mitsuhisa(9d) Yukawa M
B+R
07-07
Michael Redmond(9d)
Ogata Masaki(9d) Ogata M
B+R
09-15
Kato Atsushi(9d)
Ko Iso(8d) Ko Iso
B+R
08-25
Ko Iso
W+R
11-24
Yoda Norimoto(9d) Yoda N
W+R
07-14
Cho Sonjin(9d)
Komatsu Hideki(9d) Takao S
B+R
07-21
Takao Shinji(9d)
Cho Chikun(25H) Akiyama J
W+R
10-13
Kono R
B+3.5
11-17
Cho U
B+R
12-22
Hane Naoki(G) Akiyama J
W+0.5
09-01
Akiyama Jiro(8d)
Kono Rin(9d) Kono R
B+R
09-08
Kurahashi Masayuki(9d)
Anzai Nobuaki(6d) Anzai N
B+R
10-06
Cho U
B+R
10-27
Yamashita Keigo(H) Murakawa D
B+0.5
09-08
Murakawa Daisuke(7d)
Awaji Shuzo(9d) Cho U
W+R
06-30
Cho U(K)
Note;
  (K); Kisei  (H); Honinbo  (G); Gosei  (25H); 25th Honinbo

History;
  2011-06-22 Page was created.
  2011-06-25 Updated.
  2011-07-02,09,15,23 Updated.
  2011-08-20,27 Updated.
  2011-09-03,10,17 Updated.
  2011-10-01,08,15,22,29 Updated.
  2011-11-12,19,27 Updated.
  2011-12-16,23 Updated.
  2012-01-21,23 Updated.
  2012-03-02,19 Updated.
  2012-04-06,19 Updated.

The last preliminary tournament

Players 1st round Final
Shuto Shun(7d) Mochizuki K
W+R
06-02
Kiyonari Tetsuya(9d) Mochizuki K
W+R
05-05
Mochizuki Kenichi(7d)
Kono Rin(9d) Kono R
B+R
06-30
Nakano Hironari(9d) Yuki S
W+2.5
05-19
Yuki Satoshi(T)
Ha Youngil(5d) Cho Sonjin
B+R
05-26
Kobayashi Satoru(9d) Cho Sonjin
B+R
04-14
Cho Sonjin(9d)
Ri Ishu(7d) Murakawa D
B+3.5
04-21
Murakawa Daisuke(7d) Murakawa D
W+R
03-31
Ishida Atsushi(9d)
Kurahashi Masayuki(9d) Kurahashi M
B+R
05-12
Takagi Shoichi(9d) Chin Kaei
W+0.5
04-14
Chin Kaei(9d)
So Yokoku(8d) Yoda N
W+R
06-02
Matsuoka Hideki(8d) Yoda N
W+R
04-07
Yoda Norimoto(9d)
Sakai Hideyuki(G) Yukawa M
B+3.5
05-26
Yukawa Mitsuhisa(9d) Yukawa M
B+0.5
05-05
Mizokami Tomochika(8d)
Yamashiro Hiroshi(9d) Kato A
B+R
06-09
Kobayashi Koichi(9d) Kato A
W+R
04-07
Kato Atsushi(8d)
O Rissei(9d) Ogata M
W+R
04-14
Ogata Masaki(9d)
Takanashi Seiken(8d) Awaji S
B+R
04-28
Awaji Shuzo(9d)
Miyagawa Fumihiko(7d) Komatsi H
W+R
05-26
Komatsu Hideki(9d)
Michael Redmond(9d) Michael R
W+R
03-31
Han Zenki(7d)
Note;
  (G); Gosei

History;
  2011-04-02 Page was created.
  2011-04-09,16,22,29 Updated.
  2011-05-06,13,21,27 Updated.
  2011-06-03,10,24 Updated.
  2011-09-03,10 Updated.