65th Honinbo title 2010

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# 65th Honinbo title

## Preliminary finals

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2009-07-23 | Mimura Tomoyasu | Shuto Shun | B+R | 161 | sgf
2009-07-30 | Yoda Norimoto | Iyama Yuta | W+11.5 | 223 | sgf
2009-08-20 | Ishida Atsushi | Takemiya Masaki | W+3.5 | 246 | sgf
2009-08-20 | Yuki Satoshi | Oya Koichi | B+R | 187 | sgf

## League

In the first column the white player, on the top row the black player.

# | player | result | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
1. | Takao Shinji | 5-2 |  |  | W+R |  | W+13.5 |  | W+2.5 |
2. | Yamada Kimio | 2-5 | B+R |  |  | B+R |  | W+R |  | B+R
3. | Yamashita Keigo | 6-1 |  | W+R |  |  | W+4.5 |  | W+R |
4. | Cho U | 4-3 | W+R |  | B+R |  |  | W+R |  | B+R
5. | Takemiya Masaki | 1-6 |  | W+R |  | B+3.5 |  |  | B+4.5 |
6. | Yuki Satoshi | 2-5 | B+R |  | B+R |  | W+10.5 |  |  | B+5.5
7. | Mimura Tomoyasu | 2-5 |  | B+R |  | W+R |  | B+R |  |
8. | Iyama Yuta | 6-1 | W+R |  | B+R |  | W+R |  | W+R |

Takemiya Masaki, Yamada Kimio, Yuki Satoshi and Mimura Tomoyasu are demoted.

## Challenger Playoff

Both Yamashita Keigo and Iyama Yuta had 6 wins. They played a challenger playoff won by Yamashita Keigo.

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2010-04-05 | Iyama Yuta | Yamashita Keigo | W+R | 252 | sgf

## 65th Honinbo Title

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
2010-05-11,12 | Hane Naoki | Yamashita Keigo | B+3.5 | 297 | sgf
2010-05-26,27 | Yamashita Keigo | Hane Naoki | B+1.5 | 236 | sgf
2010-06-08,09 | Hane Naoki | Yamashita Keigo | W+R | 158 | sgf
2010-06-17,18 | Yamashita Keigo | Hane Naoki | B+R | 199 | sgf
2010-06-28,29 | Hane Naoki | Yamashita Keigo | W+7.5 | 206 | sgf

Yamashita Keigo won with 4-1.

As Honinbo, Yamashita took the name Honinbo Dowa.