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
The win-loss records; Yamashita Keigo 8-8 Iyama Yuta.
| 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 round | Semifinals | Final | |
|---|---|---|---|---|
| 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.