Both pros and amateurs participated, but no amateurs reached the main tournament. There was one amateur from Europe: Frederic Donzet, and one from America: Joseph Wang.
The two preliminaries were played on 1989-05-29 and 1989-06-26 (two games on each day).
| 2nd IBM Hayago Open | ||||||
|---|---|---|---|---|---|---|
| Yuki Satoshi | Hane Yasumasa | Takemiya Masaki | Yu Changhyuk W+5.5 1989-09-04 |
Otake Hideo W+15.5 1989-09-04 |
Otake Hideo W+R 1989-10-07 |
Otake Hideo W+2.5 1989-10-07 |
| Hane Yasumasa | ||||||
| Kaku Kyushin | Takemiya Masaki | |||||
| Takemiya Masaki | ||||||
| Yu Changhyuk | Yu Changhyuk B+R 1989-07-29 |
Yu Changhyuk W+0.5 1989-07-29 |
||||
| Tanaka Hideharu | ||||||
| Kori Toshio | Qian Yuping W+R 1989-07-29 |
|||||
| Qian Yuping | ||||||
| Ishida Akira | Awaji Shuzo | Tsuchida Masamitsu | Otake Hideo | |||
| Awaji Shuzo | ||||||
| Hidaka Toshiyuki | Tsuchida Masamitsu | |||||
| Tsuchida Masamitsu | ||||||
| Nagahara Yoshiaki | Hashimoto Shoji | Otake Hideo B+R 1989-07-29 |
||||
| Hashimoto Shoji | ||||||
| Otake Hideo | Otake Hideo | |||||
| Abe Yoshiteru | ||||||
| Honda Kunihisa | Honda Kunihisa | Honda Kunihisa | Hikosaka Naoto B+2.5 1989-09-04 |
Hikosaka Naoto W+R 1989-09-04 |
||
| Oya Koichi | ||||||
| Nishimura Keiji | Iwata Hajime | |||||
| Iwata Hajime | ||||||
| Sonoda Yuichi | Sonoda Yuichi | Hikosaka Naoto B+R 1989-07-29 |
||||
| Miwa Yoshiro | ||||||
| Hikosaka Naoto | Hikosaka Naoto | |||||
| Kataoka Satoshi | ||||||
| Narusawa Yasuichi | Narusawa Yasuichi | Cho Sonjin B+R 1989-07-29 |
Cho Sonjin B+T 1989-09-04 |
|||
| Yamada Wakio | ||||||
| Cho Sonjin | Cho Sonjin | |||||
| Ushinohama Satsuo | ||||||
| Sekine Naohisa | Komatsu Hideki | Yamashiro Hiroshi B+5.5 1989-07-29 |
||||
| Komatsu Hideki | ||||||
| Matsuoka Teruo | Yamashiro Hiroshi | |||||
| Yamashiro Hiroshi | ||||||
| Yoda Norimoto | Yoda Norimoto | Yoda Norimoto | Yoda Norimoto B+R 1989-09-04 |
Yoda Norimoto W+4.5 1989-09-04 |
Ishida Yoshio B+6.5 1989-10-07 |
|
| Kamimura Kunio | ||||||
| Kasai Koji | Kasai Koji | |||||
| Moriyama Naoki | ||||||
| Rin Kaiho | Kanda Ei W+0.5 1989-07-29 |
Obuchi Morito | ||||
| Kanda Ei | ||||||
| Enda Yoichi | Obuchi Morito | |||||
| Obuchi Morito | ||||||
| Kim Sujang | Tono Hiroaki W+11.5 1989-07-29 |
Tono Hiroaki | Ohira Shuzo | |||
| Tono Hiroaki | ||||||
| Kudo Norio | Kudo Norio | |||||
| Kageyama Toshiro | ||||||
| Onda Yasuhiko | Yukawa Mitsuhisa | Ohira Shuzo | ||||
| Yukawa Mitsuhisa | ||||||
| Yamabe Toshiro | Ohira Shuzo | |||||
| Ohira Shuzo | ||||||
| Kawamoto Noboru | Kobayashi Satoru | Kobayashi Satoru | Kobayashi Satoru B+R 1989-09-04 |
Ishida Yoshio W+10.5 1989-09-04 |
||
| Kobayashi Satoru | ||||||
| Cho Chikun | Tozawa Akinobu B+0.5 1989-07-29 |
|||||
| Tozawa Akinobu | ||||||
| Nakamura Hidehito | Ogata Masaki | Takagi Shoichi | ||||
| Ogata Masaki | ||||||
| Hasegawa Sunao | Takagi Shoichi | |||||
| Takagi Shoichi | ||||||
| Michael Redmond | Ishida Yoshio B+4.5 1989-07-29 |
Ishida Yoshio W+14.5 1989-07-29 |
Ishida Yoshio B+R 1989-09-04 |
|||
| Ishida Yoshio | ||||||
| Matsuoka Hideki | Yo Kagen | |||||
| Yo Kagen | ||||||
| Liang Weitang | Ryu Shikun B+R 1989-07-29 |
Ryu Shikun W+R 1989-07-29 |
||||
| Ryu Shikun | ||||||
| O Meien | Shiraishi Yutaka | |||||
| Shiraishi Yutaka | ||||||
| date | black | white | result | #mv | sgf |
|---|---|---|---|---|---|
| 1989-10-07 | Yoda Norimoto | Hikosaka Naoto | W+R | 174 | sgf |