45th Honinbo title 1990

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# 45th Honinbo title

## Preliminary finals

We give the finals of the Last preliminary tournament.

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
1989-07-06 | Chin Kaei | Sakata Eio | W+7.5 | 376 | sgf
1989-07-13 | Chino Tadahiko | Fujisawa Shuko | W+R | 178 | sgf
1989-08-03 | Yoda Norimoto | Sakai Takeshi | B+1.5 | 223 | sgf
1989-08-17 | Oyama Kunio | Rin Kaiho | W+R | 202 | 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. | Takemiya Masaki | 3-4 |  | B+R |  | W+2.5 |  | B+2.5 |  | W+0.5
2. | Otake Hideo | 5-2 |  |  | W+R |  | W+R |  | W+5.5 |
3. | Kobayashi Koichi | 5-2 | W+R |  |  | W+R |  | W+6.5 |  | B+R
4. | Kataoka Satoshi | 3-4 |  | W+0.5 |  |  | W+R |  | B+R |
5. | Fujisawa Shuko | 0-7 | B+R |  | B+R |  |  | B+R |  | B+R
6. | Sakata Eio | 5-2 |  | W+0.5 |  | W+4.5 |  |  | B+11.5 |
7. | Rin Kaiho | 4-3 | W+8.5 |  | B+1.5 |  | W+0.5 |  |  | B+R
8. | Yoda Norimoto | 3-4 |  | B+5.5 |  | B+2.5 |  | B+2.5 |  |

Fujisawa Shuko, Yoda Norimoto, Kataoka Satoshi and Takemiya Masaki are demoted.

## Challenger Playoff

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
1990-04-16 | Kobayashi Koichi | Otake Hideo | B+R | 173 | sgf

## 45th Honinbo Title

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
1990-05-11,12 | Kobayashi Koichi | Cho Chikun | W+R | 160 | sgf
1990-05-28,29 | Cho Chikun | Kobayashi Koichi | W+R | 176 | sgf
1990-06-07,08 | Kobayashi Koichi | Cho Chikun | B+0.5 | 210 | sgf
1990-06-19,20 | Cho Chikun | Kobayashi Koichi | W+R | 98 | sgf
1990-07-09,10 | Kobayashi Koichi | Cho Chikun | W+7.5 | 269 | sgf
1990-07-18,19 | Cho Chikun | Kobayashi Koichi | B+6.5 | 221 | sgf
1990-07-25,26 | Kobayashi Koichi | Cho Chikun | W+3.5 | 230 | sgf

Cho Chikun won with 4-3.