37th Meijin-sen
Host Organization: Asahi Shimbun
Title match
| Players | 1st round 08-30,31 Bunkyo Tokyo |
2nd round 09-20,21 Kamikawa Hokkaido |
3rd round 09-27,28 Miyazaki Miyazaki |
4th round 10-10,11 Miyagi Sendai |
5th round 10-17,18 Hiratsuka Kanagawa |
6th round 10-31,11-01 Atami Shizuoka |
7th round 11-12,13 Kofu Yamanashi |
|---|---|---|---|---|---|---|---|
| Yamashita Keigo (Meijin) | W+R | B+R | W+R | W+R | |||
| Hane Naoki (Gosei) | W+R | B+R | W+R |
Yamashita Keigo kept the title by 4-3.
The win-loss records; Yamashita Keigo 33-17 Hane Naoki.
Challenger decision match
The win-loss records; Yamashita Keigo 33-17 Hane Naoki.
| Players | Result |
|---|---|
| Iyama Yuta(H) | Hane N B+R 08-06 |
| Hane Naoki(9d) |
League
| Rank | Players | I.Y | H.N | T.S | C.U | Y.S | M.T | K.R | K.S | U.S | Result | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Iyama Yuta(H) | - | W+3.5 12-22 |
B+R 08-02 |
W+R 05-10 |
B+R 07-05 |
W+R 02-16 |
X 01-19 |
W+R 06-14 |
B+R 04-12 |
7-1 | 2 |
| 2 | Hane Naoki(9d) | X 12-22 |
- | W+R 04-12 |
B+2.5 06-14 |
W+R 03-01 |
B+R 04-26 |
W+R 08-02 |
B+R 02-09 |
W+R 01-12 |
7-1 | C |
| 3 | Takao Shinji(9d) | X 08-02 |
X 04-12 |
- | X 12-01 |
B+R 01-19 |
W+R 03-01 |
B+2.5 06-07 |
W+R 07-05 |
B+R 05-10 |
5-3 | 4 |
| 4 | Cho U(K) | X 05-10 |
X 06-14 |
B+R 12-01 |
- | W+R 02-09 |
B+5.5 04-12 |
X 03-11 |
B+R 08-02 |
X 07-05 |
4-4 | 5 |
| 5 | Yuki Satoshi(9d) | X 07-05 |
X 03-01 |
X 01-19 |
X 02-09 |
- | X 05-31 |
X 04-05 |
X 04-26 |
X 08-02 |
0-8 | DM |
| 6 | Mizokami Tomochika(8d) | X 02-16 |
X 04-26 |
X 03-01 |
X 04-12 |
B+R 05-31 |
- | X 07-05 |
B+1.5 01-12 |
W+R 12-08 |
3-5 | 6 |
| 7 | Kono Rin(9d) | W+R 01-19 |
X 08-02 |
X 06-07 |
B+0.5 03-11 |
W+R 04-05 |
B+3.5 07-05 |
- | W+2.5 12-01 |
B+R 02-02 |
6-2 | 3 |
| 7 | Kim Sujun(8d) | X 06-14 |
X 02-09 |
X 07-05 |
X 08-02 |
B+8.5 04-26 |
X 01-12 |
X 12-01 |
- | W+R 03-01 |
2-6 | DM |
| 7 | Uchida Shuhei(7d) | X 04-12 |
X 01-12 |
X 05-10 |
B+R 07-05 |
W+0.5 08-02 |
X 12-08 |
X 02-02 |
X 03-01 |
- | 2-6 | DM |
League scene
| Player1(upper);winner Player2(lower);loser B|W+x.x|R ;result xx-xx ;date |
1 I.Y |
2 H.N |
3 T.S |
4 C.U |
5 Y.S |
6 M.T |
7 K.R |
7 K.S |
7 U.S | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Round 1 (Dec.) |
C.U T.S B+R 12-01 |
K.R K.S W+2.5 12-01 |
M.T U.S W+R 12-08 |
I.Y H.N W+3.5 12-22 |
1-0 | 0-1 | 0-1 | 1-0 | - | 1-0 | 1-0 | 0-1 | 0-1 |
| Round 2 (Jan.) |
H.N U.S W+R 01-12 |
M.T K.S B+1.5 01-12 |
K.R I.Y W+R 01-19 |
T.S Y.S B+R 01-19 |
1-1 | 1-1 | 1-1 | - | 0-1 | 2-0 | 2-0 | 0-2 | 0-2 |
| Round 3 (Feb.) |
K.R U.S B+R 02-02 |
H.N K.S B+R 02-09 |
C.U Y.S W+R 02-09 |
I.Y M.T W+R 02-16 |
2-1 | 2-1 | - | 2-0 | 0-2 | 2-1 | 3-0 | 0-3 | 0-3 |
| Round 4 (Mar.) |
H.N Y.S W+R 03-01 |
T.S M.T W+R 03-01 |
K.S U.S W+R 03-01 |
K.R C.U B+0.5 03-11 |
- | 3-1 | 2-1 | 2-1 | 0-3 | 2-2 | 4-0 | 1-3 | 0-4 |
| Round 5 (Apr.) |
K.R Y.S W+R 04-05 |
I.Y U.S B+R 04-12 |
H.N T.S W+R 04-12 |
C.U M.T B+5.5 04-12 |
3-1 | 4-1 | 2-2 | 3-1 | 0-4 | 2-3 | 5-0 | - | 0-5 |
| Round 6 (May.) |
H.N M.T B+R 04-26 |
K.S Y.S B+8.5 04-26 |
I.Y C.U W+R 05-10 |
T.S U.S B+R 05-10 |
4-1 | 5-1 | 3-2 | 3-2 | 0-5 | 2-4 | - | 2-3 | 0-6 |
| Round 7 (Jun.) |
M.T Y.S B+R 05-31 |
T.S K.R B+2.5 06-07 |
H.N C.U B+2.5 06-14 |
I.Y K.S W+R 06-14 |
5-1 | 6-1 | 4-2 | 3-3 | 0-6 | 3-4 | 5-1 | 2-4 | - |
| Round 8 (Jul.) |
I.Y Y.S B+R 07-05 |
T.S K.S W+R 07-05 |
K.R M.T B+3.5 07-05 |
U.S C.U B+R 07-05 |
6-1 | - | 5-2 | 3-4 | 0-7 | 3-5 | 6-1 | 2-5 | 1-6 |
| Round 9 (Aug.) |
I.Y T.S B+R 08-02 |
H.N K.R W+R 08-02 |
C.U K.S B+R 08-02 |
U.S Y.S W+0.5 08-02 |
7-1 | 7-1 | 5-3 | 4-4 | 0-8 | - | 6-2 | 2-6 | 2-6 |
| Result | 2 | C | 4 | 5 | DM | 6 | 3 | DM | DM | ||||
| Age | at 2011-11-30 | 22 | 35 | 35 | 31 | 39 | 34 | 30 | 32 | 22 | |||
| Registered | Meijin and league(years) | 5 | 4 | 7 | 10 | 4 | 4 | 7 | 1 | 1 | |||
| Win-Loss | 2011-11-30(W-L) | 45-19 | 37-24 | 34-14 | 27-17 | 27-19 | 19-15 | 29-10 | 21-06 | 17-07 | |||
| Percentage | 2011-11-30(%) | 70 | 61 | 71 | 61 | 59 | 56 | 74 | 78 | 71 | |||
| Ranking | 2011-11-30 | 1 | 2 | 3 | 11 | 11 | - | 7 | 20 | - | |||
Note; (K); Kisei (H); Honinbo History; 2011-11-05 Page was created. 2011-11-27 Updated. 2011-12-02,09,16,23 Updated. 2012-01-06,14,21,28 Updated. 2012-02-03,10,19,24 Updated. 2012-03-02,09,18,31 Updated. 2012-04-06,13,20,28 Updated. 2012-05-04,13,27 Updated. 2012-06-02,08,15 Updated. 2012-07-01,07,28 Updated. 2012-08-02,06,31 Updated. 2012-09-21,28 Updated. 2012-10-11,18 Updated. 2012-11-01,13 Updated.The last preliminary tournament
| Players | 1st round | Semifinals | Final | |
|---|---|---|---|---|
| Oba Junya(6d) | Cho Sonjin B+R 08-18 |
Yoda N W+1.5 10-13 |
Kono R W+3.5 10-27 | |
| Cho Sonjin(9d) | ||||
| Yamada Kimio(9d) | Yamada K W+R 09-01 |
Yoda N B+2.5 09-22 | ||
| Ha Youngil(5d) | ||||
| Yoda Norimoto(9d) | ||||
| Kono Rin(9d) | Kono R W+R 09-01 |
Kono R W+2.5 09-22 | ||
| Mimura Tomoyasu(9d) | ||||
| Tajiri Yuto(2d) | Rin Kanketsu W+0.5 09-01 | |||
| Rin Kanketsu(7d) | ||||
| Mochizuki Kenichi(7d) | Mochizuki K W+1.5 09-08 |
Mochizuki K B+3.5 10-13 |
Kim Sujun W+R 11-03 | |
| Seto Taiki(7d) | ||||
| Hikosaka Naoto(9d) | Ko Reibun B+R 09-01 |
Ko Reibun W+R 09-29 | ||
| Ko Reibun(6d) | ||||
| Cho Riyu(8d) | ||||
| Kim Sujun(8d) | Kim Sujun W+R 09-01 |
Kim Sujun B+2.5 10-06 | ||
| Yukawa Mitsuhisa(9d) | ||||
| Kobayashi Satoru(9d) | Sakai H W+R 09-15 | |||
| Sakai Hideyuki(8d) | ||||
| Uchida Shuhei(7d) | Uchida S W+4.5 08-18 |
Uchida S B+R 09-29 |
Uchida S B+R 10-27 | |
| Honda Kunihisa(9d) | ||||
| Otake Hideo(HG) | Nakane N B+R 08-18 |
Nakane N W+R 09-08 | ||
| Nakane Naoyuki(8d) | ||||
| Nakano Hironari(9d) | ||||
| Murakawa Daisuke(7d) | Yamashiro H W+R 09-01 |
Cho Chikun W+R 09-22 | ||
| Yamashiro Hiroshi(9d) | ||||
| Furuya Yutaka(8d) | Cho Chikun W+4.5 09-01 | |||
| Cho Chikun(9d) | ||||
Note; (25H); 25th Honinbo (HG); Honorary Gosei History; 2011-08-20 Page was created. 2011-08-27 Updated. 2011-09-03,10,17,23 Updated. 2011-10-01,08,15,22,29 Updated. 2011-11-05 Updated.