| Oba Junya | Cho Sonjin (B+R) |
Yoda Norimoto (W+1.5) |
Kono Rin (W+3.5) |
|
| Cho Sonjin | ||||
| Yamada Kimio | Yamada Kimio (W+R) |
Yoda Norimoto (B+2.5) |
||
| Ha Youngil | ||||
| Yoda Norimoto | ||||
| Kono Rin | Kono Rin (W+R) |
Kono Rin (W+2.5) |
||
| Mimura Tomoyasu | ||||
| Tajiri Yuto | Rin Kanketsu | |||
| Rin Kanketsu | ||||
| Mochizuki Kenichi | Mochizuki Kenichi | Mochizuki Kenichi (B+3.5) |
Kim Sujun (W+R) |
|
| Seto Taiki | ||||
| Hikosaka Naoto | Ko Reibun (B+R) |
Ko Reibun | ||
| Ko Reibun | ||||
| Cho Riyu | ||||
| Kim Sujun | Kim Sujun (W+R) |
Kim Sujun (B+2.5) |
||
| Yukawa Mitsuhisa | ||||
| Kobayashi Satoru | Sakai Hideyuki (W+R) |
|||
| Sakai Hideyuki | ||||
| Uchida Shuhei | Uchida Shuhei | Uchida Shuhei (B+R) |
Uchida Shuhei (B+R) |
|
| Honda Kunihisa | ||||
| Otake Hideo | Nakane Naoyuki (B+R) |
Nakane Naoyuki | ||
| Nakane Naoyuki | ||||
| Nakano Hironari | ||||
| Murakawa Daisuke | Yamashiro Hiroshi | Cho Chikun (W+R) |
||
| Yamashiro Hiroshi | ||||
| Furuya Yutaka | Cho Chikun (W+4.5) |
|||
| Cho Chikun | ||||
| # | player | result | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Iyama Yuta | 7-1 | W+3.5 | W+R | W+R | W+R | |||||
| 2. | Hane Naoki | 7-1 | W+R | W+R | W+R | W+R | |||||
| 3. | Takao Shinji | 5-3 | B+R | B+R | W+R | W+R | |||||
| 4. | Cho U | 4-4 | B+2.5 | W+R | B+0.5 | B+R | |||||
| 5. | Yuki Satoshi | 0-8 | B+R | B+R | B+R | B+8.5 | |||||
| 6. | Mizokami Tomochika | 3-5 | B+R | B+5.5 | B+3.5 | W+R | |||||
| 7. | Kono Rin | 6-2 | W+R | B+2.5 | W+R | W+2.5 | |||||
| 8. | Kim Sujun | 2-6 | B+R | B+R | B+1.5 | W+R | |||||
| 9. | Uchida Shuhei | 2-6 | B+R | B+R | W+0.5 | B+R |
| game | date | black | white | result | sgf |
|---|---|---|---|---|---|
| challenger playoff | 2012-08-06 | Hane Naoki | Iyama Yuta | B+R | sgf |
| 1 | 2012-08-30,31 | Hane Naoki | Yamashita Keigo | W+R | sgf |
| 2 | 2012-09-20,21 | Yamashita Keigo | Hane Naoki | W+R | sgf |
| 3 | 2012-09-27,28 | Hane Naoki | Yamashita Keigo | B+R | sgf |
| 4 | 2012-10-10,11 | Yamashita Keigo | Hane Naoki | B+R | sgf |
| 5 | 2012-10-17,18 | Hane Naoki | Yamashita Keigo | W+R | sgf |
| 6 | 2012-10-31,11-01 | Yamashita Keigo | Hane Naoki | W+R | sgf |
| 7 | 2012-11-12,13 | Hane Naoki | Yamashita Keigo | W+R | sgf |
Yamashita Keigo won with 4-3.