71st Honinbo-sen
Host Organization: Mainichi Shimbun
Title match
| Players | 1st round 05-09,10 Onomichi Hiroshima |
2nd round 05-23,24 Amagasaki Hyogo |
3rd round 06-02,03 Noshiro Akita |
4th round 06-13,14 Saikai Nagasaki |
4th round 06-29,30 Fukushima Fukushima |
5th round 07-05,06 Suita Osaka |
5th round 07-14,15 Toba Mie |
|---|---|---|---|---|---|---|---|
| Iyama Yuta (Honinbo) | W+R | B+R | W+R | B+R | |||
| Takao Shinji (9 dan) | W+R |
Iyama Yuta kept the title by 4-1.
The win-loss records; Iyama Yuta 30-11 Takao Shinji.
The win-loss records; Iyama Yuta 30-11 Takao Shinji.
League
| Rank | Players | Y.K | I.A | C.U | K.R | T.S | Y.Z | I.R | M.K | Result | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Yamashita Keigo(9d) | - | B+3.5 03-03 |
W+R 12-17 |
B+R 10-01 |
X 02-11 |
B+0.5 03-31 |
X 01-07 |
X 11-26 |
4-3 | 3 |
| 2 | Ida Atsushi(J) | X 03-03 |
- | X 03-31 |
X 01-21 |
X 11-12 |
X 12-10 |
B+R 10-29 |
X 02-04 |
1-6 | DM |
| 3 | Cho U(9d) | X 12-17 |
W+R 03-31 |
- | X 11-19 |
X 01-28 |
B+R 03-17 |
W+R 02-04 |
X 10-29 |
3-4 | 4 |
| 4 | Kono Rin(9d) | X 10-01 |
B+R 01-21 |
W+R 11-19 |
- | X 03-31 |
W+1.5 02-18 |
X 03-17 |
X 12-10 |
3-4 | DM |
| 5 | Takao Shinji(9d) | B+7.5 02-11 |
W+R 11-12 |
B+R 01-28 |
W+R 03-31 |
- | X 10-10 |
W+1.5 12-10 |
B+R 03-03 |
6-1 | C |
| 5 | Yu Zhengqi(7d) | X 03-31 |
B+0.5 12-10 |
X 03-17 |
X 02-18 |
W+R 10-10 |
- | X 11-12 |
W+R 01-14 |
3-4 | DM |
| 5 | Ichiriki Ryo(7d) | B+4.5 01-07 |
X 10-29 |
X 02-04 |
W+0.5 03-17 |
X 12-10 |
W+R 11-12 |
- | X 03-31 |
3-4 | DM |
| 5 | Motoki Katsuya(7d) | W+1.5 11-26 |
B+R 02-04 |
W+R 10-29 |
B+R 12-10 |
X 03-03 |
X 01-14 |
W+R 03-31 |
- | 5-2 | 2 |
League scene
| title | Player1(upper);winner Player2(lower);loser B|W+x.x|R ;result xx-xx ;date |
1 Y.K |
2 I.A |
3 C.U |
4 K.R |
5 T.S |
5 Y.Z |
5 I.R |
5 M.K | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Round 1 (Oct.) |
Y.K K.R B+R 10-01 |
Y.Z T.S W+R 10-10 |
I.A I.R B+R 10-29 |
M.K C.U W+R 10-29 |
1-0 | 1-0 | 0-1 | 0-1 | 0-1 | 1-0 | 0-1 | 1-0 |
| Round 2 (Nov.) |
I.R Y.Z W+R 11-12 |
T.S I.A W+R 11-12 |
K.R C.U W+R 11-19 |
M.K Y.K W+1.5 11-26 |
1-1 | 1-1 | 0-2 | 1-1 | 1-1 | 1-1 | 1-1 | 2-0 |
| Round 3 (Dec.) |
M.K K.R B+R 12-10 |
Y.Z I.A B+0.5 12-10 |
T.S I.R W+1.5 12-10 |
Y.K C.U W+R 12-17 |
2-1 | 1-2 | 0-3 | 2-1 | 2-1 | 2-1 | 1-2 | 3-0 |
| Round 4 (Jan.) |
I.R Y.K B+4.5 01-07 |
Y.Z M.K W+R 01-14 |
K.R I.A B+R 01-21 |
T.S C.U B+R 01-28 |
2-2 | 1-3 | 0-4 | 2-2 | 3-1 | 3-1 | 2-2 | 3-1 |
| Round 5 (Feb.) |
M.K I.A B+R 02-04 |
C.U I.R W+R 02-04 |
T.S Y.K B+7.5 02-11 |
K.R Y.Z W+1.5 02-18 |
2-3 | 1-4 | 1-4 | 3-2 | 4-1 | 3-2 | 2-3 | 4-1 |
| Round 6 (Mar.) |
Y.K I.A B+3.5 03-03 |
T.S M.K B+R 03-03 |
I.R K.R W+0.5 03-17 |
C.U Y.Z B+R 03-17 |
3-3 | 1-5 | 2-4 | 3-3 | 5-1 | 3-3 | 3-3 | 4-2 |
| Round 7 (Apr.) |
T.S K.R W+R 03-31 |
M.K I.R W+R 03-31 |
C.U I.A W+R 03-31 |
Y.K Y.Z B+0.5 03-31 |
4-3 | 1-6 | 3-4 | 3-4 | 6-1 | 3-4 | 3-4 | 5-2 |
| Result | 3 | DM | 4 | DM | C | DM | DM | 2 | ||||
| Age | at 2015-09-30 | 37 | 21 | 35 | 34 | 38 | 20 | 18 | 20 | |||
| Registered | Honinbo and league(years) | 11 | 3 | 16 | 4 | 12 | 3 | 1 | 1 | |||
| Win-Loss | 2015-09-30(win-loss) | 31-20 | 26-15 | 18-14 | 27-09 | 16-21 | 37-12 | 31-13 | 27-12 | |||
| Percentage | 2015-09-30(%) | 61 | 63 | 56 | 75 | 43 | 76 | 70 | 69 | |||
| Ranking | 2015-09-30 | 5 | 13 | - | 11 | - | 1 | 5 | 11 | |||
Note (J); Judan History; 2015-09-26 Page was created. 2015-10-02,09,10,23,31 Updated. 2015-11-07,13,20,27 Updated. 2015-12-04,11,19 Updated. 2016-01-10,16,22,29 Updated. 2016-02-05,12,19,27 Updated. 2016-03-05,11,18,25,31 Updated. 2016-05-10,27 Updated. 2016-06-14 Updated. 2016-07-01 Updated.
The last preliminary tournament
| Players | 1st round | Semifinals | Final | |
|---|---|---|---|---|
| Tajima Shingo(6d) | Hikosaka N W+R 07-16 |
Hikosaka N W+2.5 08-06 |
Yu Zhengqi B+R 08-27 | |
| Hikosaka Naoto(9d) | ||||
| Shibano Toramaru(1d) | Kanazawa M W+R 07-02 |
Tsuruyama A B+R 07-16 | ||
| Kanazawa Hideo(7d) | ||||
| Tsuruyama Atsushi(7d) | ||||
| Ko Iso(8d) | Ko Iso B+R 07-09 |
Yu Zhengqi W+R 07-20 | ||
| Hirata Tomoya(4d) | ||||
| Ogata Masaki(9d) | Yu Zhengqi W+R 07-09 | |||
| Yu Zhengqi(7d) | ||||
| Hoshino Masaki(9d) | Hane N W+R 07-16 |
Hane N B+5.5 08-13 |
Takao S B+R 08-27 | |
| Hane Naoki(9d) | ||||
| Nakano Hironari(9d) | Aoki S B+R 07-02 |
Aoki S W+R 07-23 | ||
| Aoki Shinichi(9d) | ||||
| Terayama Rei(4d) | ||||
| Seto Taiki(7d) | Awaji S W+2.5 07-09 |
Takao S W+R 08-06 | ||
| Awaji Shuzo(9d) | ||||
| Takemiya Masaki(9d) | Takao S W+4.5 07-16 | |||
| Takao Shinji(T) | ||||
| Ichiriki Ryo(7d) | Ichiriki R W+R 07-27 |
Ichiriki R B+R 08-15 |
Ichiriki R B+R 09-03 | |
| Yamada Takuji(8d) | ||||
| Taniguchi Toru(2d) | Suzuki A B+R 07-02 |
Suzuki A B+4.5 07-23 | ||
| Suzuki Ayumi(6d) | ||||
| Kono Mitsuki(8d) | ||||
| Yo Kagen(9d) | Uchida S B+R 07-30 |
Yuki S W+1.5 08-13 | ||
| Uchida Shuhei(7d) | ||||
| Yuki Satoshi(9d) | Yuki S B+R 07-16 | |||
| Ryu Shikun(9d) | ||||
| Kobayashi Satoru(9d) | Kobayashi S B+7.5 07-23 |
Motoki K W+R 08-20 |
Motoki K W+R 09-03 | |
| Rin Kanketsu(7d) | ||||
| Kurahashi Masayuki(9d) | Motoki K B+R 07-02 |
Motoki K B+R 07-23 | ||
| Motoki Katsuya(3d) | ||||
| Hane Yasumasa(9d) | ||||
| Sakaguchi Ryuzo(9d) | Muramatsu H B+R 07-16 |
Muramatsu H B+R 08-20 | ||
| Muramatsu Hiroki(5d) | ||||
| O Meien(9d) | O Meien B+R 07-02 | |||
| Mimura Tomoyasu(9d) | ||||
Note; (T); Tengen History; 2015-06-26 Page was created. 2015-07-04,10,18,24,31 Updated. 2015-08-08,14,21,28 Updated. 2015-09-04 Updated.