67th Honinbo-sen

Host Organization: Mainichi Shimbun

Title match

Players 1st round
05-15,16
Kyoto
Kyoto
2nd round
05-28,29
Kumagaya
Saitama
3rd round
06-05,06
Aizuwakamatsu
Fukushima
4th round
06-18,19
Sapporo
Hokkaido
5th round
06-24,25
Hiratsuka
Kanagawa
6th round
07-09,10
Toba
Mie
7th round
07-18,19
Izu
Shizuoka
Yamashita Keigo (Honinbo)     W+R B+R   B+R  
Iyama Yuta (Tengen) B+R W+5.5     B+R   W+7.5
Iyama Yuta got the title by 4-3.
The win-loss records; Yamashita Keigo 8-8 Iyama Yuta.
Demotion player decision match
Players Result
Takao Shinji(9d) Takao S
W+0.5
04-19
Kono Rin(9d)

League

Rank Players H.N I.Y C.U S.T Y.S T.S K.R K.I Result
1 Hane Naoki(G) - X
03-29
X
12-15
W+R
03-22
X
10-06
W+R
01-16
X
02-16
W+R
11-03
3-4 DM
2 Iyama Yuta(T) B+R
03-29
- W+R
11-14
B+R
02-09
W+R
01-12
X
10-20
W+R
03-08
B+R
12-08
6-1 C
3 Cho U(K) W+R
12-15
X
11-14
- W+R
01-19
X
02-27
W+2.5
03-22
X
10-06
W+R
03-29
4-3 3
4 Seto Taiki(7d) X
03-22
X
02-09
X
01-19
- X
11-03
X
12-08
W+R
03-29
X
10-13
1-6 DM
5 Yuki Satoshi(9d) W+R
10-06
X
01-12
W+R
02-27
B+6.5
11-03
- W+R
03-29
X
12-08
W+R
03-15
5-2 2
5 Takao Shinji(9d) X
01-16
W+R
10-20
X
03-22
W+R
12-08
X
03-29
- W+R
11-03
B+R
02-09
4-3 4
5 Kono Rin(9d) W+R
02-16
X
03-08
W+2.5
10-06
X
03-29
W+1.5
12-08
X
11-03
- W+1.5
01-12
4-3 DM
5 Ko Iso(8d) X
11-03
X
12-08
X
03-29
W+1.5
10-13
X
03-15
X
02-09
X
01-12
- 1-6 DM

League scene

title Player1(upper);winner
Player2(lower);loser
B|W+x.x|R ;result
xx-xx ;date
1
H.N
2
I.Y
3
C.U
4
S.T
5
Y.S
5
T.S
5
K.R
5
K.I
Round
1
(Oct.)
Y.S
H.N
W+R
10-06
K.R
C.U
W+2.5
10-06
K.I
S.T
W+1.5
10-13
T.S
I.Y
W+R
10-20
0-1 0-1 0-1 0-1 1-0 1-0 1-0 1-0
Round
2
(Nov.)
H.N
K.I
W+R
11-03
T.S
K.R
B+6.5
11-03
Y.S
S.T
W+R
11-03
I.Y
C.U
W+R
11-14
1-1 1-1 0-2 0-2 2-0 2-0 1-1 1-1
Round
3
(Dec.)
T.S
S.T
W+R
12-08
K.R
Y.S
W+1.5
12-08
I.Y
K.I
B+R
12-08
C.U
H.N
W+R
12-15
1-2 2-1 1-2 0-3 2-1 3-0 2-1 1-2
Round
4
(Jan.)
I.Y
Y.S
W+R
01-12
K.R
K.I
W+1.5
01-12
H.N
T.S
W+R
01-16
C.U
S.T
W+R
01-19
2-2 3-1 2-2 0-4 2-2 3-1 3-1 1-3
Round
5
(Feb.)
I.Y
S.T
B+R
02-09
T.S
K.I
B+R
02-09
K.R
H.N
W+R
02-16
Y.S
C.U
W+R
02-27
2-3 4-1 2-3 0-5 3-2 4-1 4-1 1-4
Round
6
(Mar.)
I.Y
K.R
W+R
03-08
Y.S
K.I
W+R
03-15
C.U
T.S
W+2.5
03-22
H.N
S.T
W+R
03-22
3-3 5-1 3-3 0-6 4-2 4-2 4-2 1-5
Round
7
(Apr.)
I.Y
H.N
B+R
03-29
C.U
K.I
W+R
03-29
S.T
K.R
W+R
03-29
Y.S
T.S
W+R
03-29
3-4 6-1 4-3 1-6 5-2 4-3 4-3 1-6
Result   DM C 3 DM 2 4 DM DM
Age at 2011-09-30 35 22 31 27 39 34 30 24
Registered Honinbo and league(years) 9 3 11 2 6 7 1 1
Win-Loss 2011-09-30(win-loss) 31-19 38-14 21-14 21-14 24-15 29-12 25-09 16-06
Percentage 2011-09-30(%) 62 73 60 60 62 71 74 73
Ranking 2011-09-30 2 1 14 14 7 4 6 -
Note;
  (K); Kisei  (T); Tengen  (G); Gosei

History;
  2011-09-10 Page was created.
  2011-10-01,08,15,22,29 Updated.
  2011-11-05,12,19 Updated.
  2011-12-02,09,16 Updated.
  2012-01-06,14,21 Updated.
  2012-02-03,10,19,24 Updated.
  2012-03-02,09,18,22,31 Updated.
  2012-04-13,20 Updated.
  2012-05-17,29 Updated.
  2012-06-06,19,25 Updated.
  2012-07-10 Updated.

The last preliminary tournament
Players 1st roundSemifinalsFinal
Yamashiro Hiroshi(9d) Sakai H
B+R
04-28
Imamura T
B+0.5
06-02
Ko Iso
W+11.5
07-07
Sakai Hideyuki(8d)
Imamura Toshiya(9d) Imamura T
W+R
04-21
Imamura T
B+R
05-12
Tsuruyama Atsushi(7d)
Ohashi Naruya(4d)
Han Zenki(7d) Ko Iso
W+R
05-19
Ko Iso
B+R
06-09
Ko Iso(8d)
Miyagawa Fumihiko(7d) Miyagawa F
B+R
04-28
O Rissei(9d)
Michael Redmond(9d) Michael R
B+4.5
04-21
Kato A
B+2.5
07-14
Takao S
B+3.5
09-01
Matsumoto Takehisa(7d)
Hane Yasumasa(9d) Shiraishi Y
W+R
04-21
Kato A
W+0.5
05-26
Shiraishi Yuichi(3d)
Kato Atsushi(9d)
Mochizuki Kenichi(7d) Mochizuki K
B+R
05-19
Takao S
B+0.5
06-16
Shida Tatsuya(4d)
Kanazawa Makoto(2d) Takao S
B+1.5
04-28
Takao Shinji(9d)
Yo Kaei(8d) Ryu Shikun
W+5.5
05-12
Yuki S
B+R
07-14
Yuki S
B+R
08-18
Ryu Shikun(9d)
Yuki Satoshi(T) Yuki S
B+R
05-12
Yuki S
W+0.5
06-22
Komatsu Hideki(9d)
Cho Riyu(8d)
Mizokami Tomochika(8d) Yamada K
B+R
04-28
Kobayashi S
W+R
07-07
Yamada Kimio(9d)
Sonoda Yuichi(9d) Kobayashi S
W+R
05-12
Kobayashi Satoru(9d)
Hikosaka Naoto(9d) Hikosaka N
B+R
05-19
Yoda N
W+0.5
07-07
Kono R
W+5.5
08-11
So Yokoku(8d)
Araki Issei(6d) Yoda N
W+11.5
04-21
Yoda N
B+R
05-26
Yoda Norimoto(9d)
Morita Michihiro(9d)
Tajiri Yuto(2d) Yamada T
B+R
05-12
Kono R
B+R
07-21
Yamada Takuji(8d)
Kono Rin(9d) Kono R
W+4.5
06-16
Cho Sonjin(9d)
Note;
  (T); Tengen

History;
  2011-04-11 Page was created.
  2011-04-16,22,29 Updated.
  2011-05-06,13,21,27 Updated.
  2011-06-03,10,17,25 Updated.
  2011-07-02,09,15,23 Updated.
  2011-08-08,12,20,27 Updated.
  2011-09-03 Updated.