Honinbo

68th Honinbo-sen

Host Organization: Mainichi Shimbun

Title match

Players 1st round
05-16,17
Ota
Shimane
2nd round
05-28,29
Kitakyushu
Fukuoka
3rd round
06-05,06
Kushiro
Hokkaido
4th round
06-17,18
Shiraishi
Miyagi
5th round
06-24,25
Suita
Osaka
6th round
07-10,11
Toba
Mie
7th round
07-17,18
Hadano
Kanagawa
Iyama Yuta (Honinbo) W+4.5     B+R W+R   B+4.5
Takao Shinji (9 dan)   W+R B+R     W+R  
Iyama Yuta kept the title by 4-3.
The win-loss records; Iyama Yuta 17-5 Takao Shinji.

League

Rank Players Y.K Y.S C.U T.S C.S I.T K.I S.T Result
1 Yamashita Keigo(M) - B+R
11-22
W+R
04-08
X
02-21
W+0.5
10-25
X
03-21
W+R
01-10
B+R
12-20
5-2 2
2 Yuki Satoshi(9d) X
11-22
- X
11-15
X
01-24
X
03-21
W+R
10-04
B+R
02-21
W+R
04-08
3-4 4
3 Cho U(9d) X
04-08
W+R
11-15
- X
03-27
W+R
01-10
B+R
02-11
W+R
10-11
B+R
11-08
5-2 3
4 Takao Shinji(9d) W+R
02-21
B+R
01-24
W+R
03-27
- B+R
11-29
W+R
04-08
B+R
11-01
W+1.5
10-11
7-0 C
5 Cho Sonjin(9d) X
10-25
W+R
03-21
X
01-10
X
11-29
- X
11-01
X
04-08
X
02-14
1-6 DM
5 Imamura Toshiya(9d) W+0.5
03-21
X
10-04
X
02-11
X
04-08
W+R
11-01
- X
12-06
X
01-24
2-5 DM
5 Ko Iso(8d) X
01-10
X
02-21
X
10-11
X
11-01
B+R
04-08
W+4.5
12-06
- B+R
03-07
3-4 DM
5 Seto Taiki(7d) X
12-20
X
04-08
X
11-08
X
10-11
W+0.5
02-14
B+R
01-24
X
03-07
- 2-5 DM

League scene

title Player1(upper);winner
Player2(lower);loser
B|W+x.x|R ;result
xx-xx ;date
1
Y.K
2
Y.S
3
C.U
4
T.S
5
C.S
5
I.T
5
K.I
5
S.T
Round
1
(Oct.)
Y.S
I.T
W+R
10-04
C.U
K.I
W+R
10-11
T.S
S.T
W+1.5
10-11
Y.K
C.S
W+0.5
10-25
1-0 1-0 1-0 1-0 0-1 0-1 0-1 0-1
Round
2
(Nov.)
T.S
K.I
B+R
11-01
I.T
C.S
W+R
11-01
C.U
S.T
B+R
11-08
Y.K
Y.S
W+R
11-22
2-0 1-1 2-0 1-1 0-2 1-1 0-2 0-2
Round
3
(Dec.)
C.U
Y.S
W+R
11-15
T.S
C.S
B+R
11-29
K.I
I.T
W+4.5
12-06
Y.K
S.T
B+R
12-20
3-0 1-2 3-0 3-0 0-3 1-2 1-2 0-3
Round
4
(Jan.)
Y.K
K.I
W+R
01-10
C.U
C.S
W+R
01-10
T.S
Y.S
B+R
01-24
S.T
I.T
B+R
01-24
4-0 1-3 4-0 4-0 0-4 1-3 1-3 1-3
Round
5
(Feb.)
C.U
I.T
B+R
02-11
S.T
C.S
W+0.5
02-14
T.S
Y.K
W+R
02-21
Y.S
K.I
B+R
02-21
4-1 2-3 5-0 5-0 0-5 1-4 1-4 2-3
Round
6
(Mar.)
K.I
S.T
B+R
03-07
I.T
Y.K
W+0.5
03-21
C.S
Y.S
W+R
03-21
T.S
C.U
W+R
03-27
4-2 2-4 5-1 6-0 1-5 2-4 2-4 2-4
Round
7
(Apr.)
Y.K
C.U
W+R
04-08
Y.S
S.T
W+R
04-08
T.S
I.T
W+R
04-08
K.I
C.S
B+R
04-08
5-2 3-4 5-2 7-0 1-6 2-5 3-4 2-5
Result   2 4 3 C DM DM DM DM
Age at 2012-09-30 34 40 32 35 42 46 25 28
Registered Honinbo and league(years) 8 7 12 8 13 2 2 3
Win-Loss 2012-09-30(win-loss) 19-17 22-20 22-19 24-17 15-08 19-08 14-12 28-18
Percentage 2012-09-30(%) 53 52 54 59 65 70 54 61
Ranking 2012-09-30 17 7 7 6 - 17 - 2
Note
  (M); Meijin

History;
  2012-08-31 Page was created.
  2012-09-28 Updated.
  2012-10-05,12,19,26 Updated.
  2012-11-03,09,16,23,30 Updated.
  2012-12-08,15,21 Updated.
  2013-01-04,12,19,26 Updated.
  2013-02-10,17,23 Updated.
  2013-03-03,09,16,22,29 Updated.
  2013-04-06,08 Updated.
  2013-05-17,30 Updated.
  2013-06-06,18,25 Updated.
  2013-07-11,18 Updated.

The last preliminary tournament

Players 1st round Semifinals Final
Awaji Shuzo(9d) Imamura T
B+0.5
07-12
Imamura T
W+R
08-02
Imamura T
W+R
08-23
Imamura Toshiya(9d)
Yamada Kimio(9d) Yamada K
W+0.5
05-31
Yamada K
W+R
06-28
Kato Atsushi(9d)
Sakai Hideyuki(8d)
Kobayashi Koichi(9d) Nakamura S
W+R
06-28
Yamada T
W+3.5
08-02
Nakamura Shinya(9d) Nakamura S
B+R
05-24
Sasaka Shiro(8d)
Yamada Takuji(8d) Yamada T
B+R
06-14
Kono Rin(9d)
Cho Sonjin(9d) Cho Sonjin
B+0.5
07-12
Cho Sonjin
B+R
08-02
Cho Sonjin
W+14.5
08-30
Iwamaru Taira(6d)
Mizokami Tomochika(8d) Mizokami T
B+R
06-21
Fujii S
B+0.5
07-12
Morita Michihiro(9d)
Fujii Shuya(7d)
Imamura Yoshiaki(9d) Imamura Y
B+R
06-21
Imamura Y
B+3.5
08-09
Shida Tatsuya(5d)
Kubo Hideo(6d) Kubo H
B+R
06-07
Hane Naoki(9d)
Aoki Shinichi(9d) Aoki S
B+R
05-31
Nakano H
B+R
08-16
Ko Iso
B+R
08-30
Yokota Shigeaki(9d)
Rin Shien(7d) Nakano H
B+R
06-14
Nakano H
B+R
07-05
Nakano Hironari(9d)
Tajiri Yuto(3d)
Oba Junya(6d) Oba J
W+R
06-14
Ko Iso
B+1.5
08-02
Shimojima Yohei(7d)
Tsuruyama Atsushi(7d) Ko Iso
W+R
06-07
Ko Iso(8d)
Muramatsu Hiroki(2d) Shuto S
B+R
06-14
Shuto S
B+R
08-02
Seto T
B+R
08-30
Shuto Shun(7d)
Kono Takashi(8d) Yoda N
B+R
06-07
Ryu Shikun
W+1.5
06-28
Yoda Norimoto(9d)
Ryu Shikun(9d)
Michael Redmond(9d) Murakawa D
W+R
06-21
Seto T
W+R
08-09
Murakawa Daisuke(7d)
O Rissei(9d) Seto T
B+R
06-21
Seto Taiki(7d)
History;
  2012-05-27 Page was created.
  2012-06-02,08,15,22 Updated.
  2012-07-01,07,14,28 Updated.
  2012-08-03,11,17,24,31 Updated.