54th Honinbo title 1999

Up Prev Next 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71

# 54th Honinbo title

## Preliminary finals

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
1998-06-18 | Ishida Akira | Yoda Norimoto | B+2.5 | 221 | sgf
1998-07-16 | Yamada Kimio | Ishida Yoshio | B+R | 147 | sgf
1998-08-13 | Otake Hideo | Cho Sonjin | W+R | 196 | sgf
1998-08-20 | Yamashiro Hiroshi | Ryu Shikun | W+2.5 | 245 | 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. | O Rissei | 4-3 |  | W+R |  | W+R |  | W+R |  | B+R
2. | O Meien | 1-6 |  |  | B+R |  | B+R |  | B+R |
3. | Hikosaka Naoto | 5-2 | B+R |  |  | W+R |  | W+0.5 |  | B+R
4. | Kobayashi Satoru | 1-6 |  | W+4.5 |  |  | B+R |  | B+4.5 |
5. | Yamada Kimio | 4-3 | W+R |  | B+R |  |  | B+R |  | B+R
6. | Ishida Akira | 4-3 |  | W+5.5 |  | W+R |  |  | B+R |
7. | Cho Sonjin | 5-2 | W+2.5 |  | B+R |  | B+3.5 |  |  | W+1.5
8. | Ryu Shikun | 4-3 |  | B+4.5 |  | W+R |  | B+4.5 |  |

## Demotion Playoff

The bottom four players are demoted: O Meien and Kobayashi Satoru and two more. Three players with 4 wins played a demotion playoff. Ishida Akira and Ryu Shikun lost.

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
1999-04-05 | Ishida Akira | Ryu Shikun | W+R | 180 | sgf
1999-04-08 | Yamada Kimio | Ryu Shikun | B+R | 219 | sgf

## Challenger Playoff

Both Hikosaka Naoto and Cho Sonjin had 5 wins. They played a challenger playoff won by Cho Sonjin.

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
1999-04-05 | Cho Sonjin | Hikosaka Naoto | B+R | 219 | sgf

## 54th Honinbo Title

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
1999-05-12,13 | Cho Chikun | Cho Sonjin | B+6.5 | 239 | sgf
1999-05-24,25 | Cho Sonjin | Cho Chikun | B+R | 203 | sgf
1999-05-31,06-01 | Cho Chikun | Cho Sonjin | B+7.5 | 231 | sgf
1999-06-10,11 | Cho Sonjin | Cho Chikun | B+0.5 | 284 | sgf
1999-06-22,23 | Cho Chikun | Cho Sonjin | W+2.5 | 254 | sgf
1999-07-05,06 | Cho Sonjin | Cho Chikun | B+R | 163 | sgf

Cho Sonjin won with 4-2.