| 1990-05-28 |
15th Kisei |
Arimura Hiroshi |
Matsuoka Hideki |
B+R |
|
| 1990-05-28 |
New Physical Education Cup |
Ma Xiaochun |
Zhang Wendong |
W+R |
|
| 1990-05-28 |
Honinbo, 45th |
Cho Chikun |
Kobayashi Koichi |
W+ |
|
| 1990-05-26 |
Mini-Go |
Sasaka Shiro |
Konishi Kazuko |
B+R |
|
| 1990-05-26 |
23rd Hayago Championship |
Otake Hideo |
Kobayashi Koichi |
W+R |
|
| 1990-05-26 |
23rd Hayago Championship |
Takemiya Masaki |
Imamura Toshiya |
B+R |
|
| 1990-05-25 |
Kiseong, 2nd |
Kim Dong Myeon |
Yang Jae Ho |
W+ |
|
| 1990-05-25 |
Kiseong, 2nd |
Seo Bong Soo |
Lee Chang Ho |
W+3.5 |
|
| 1990-05-24 |
15th Gosei |
Hane Yasumasa |
Kobayashi Satoru |
W+R |
|
| 1990-05-24 |
16th Tengen |
Fujisawa Hideyuki |
Hikosaka Naoto |
B+2.5 |
|
| 1990-05-24 |
Judan, 29th |
Kobayashi Koichi |
Cho Chikun |
W+2.5 |
|
| 1990-05-24 |
29th Judan |
Yamashiro Hiroshi |
Imamura Toshiya |
B+3.5 |
|
| 1990-05-24 |
38th Oza |
Rin Kaiho |
Awaji Shuzo |
B+R |
|
| 1990-05-24 |
Kisei, 15th |
Tokimoto Hajime |
Hisajima Kunio |
W+ |
|
| 1990-05-24 |
Oteai 1990 |
Aoki Shinichi |
Miyazawa Goro |
B+R |
|
| 1990-05-24 |
15th Kisei |
Tokimoto Hajime |
Hisajima Kunio |
W+R |
|
| 1990-05-24 |
29th Judan |
Kobayashi Koichi |
Cho Chikun |
W+R |
|
| 1990-05-23 |
39th Oza |
Fujisawa Shuko |
Cho Sonjin |
B+R |
|
| 1990-05-23 |
12th World Amateur Championship |
Chang Hao |
An Kwan-uk |
B+R |
|
| 1990-05-22 |
World Amatuer Championship, 12th |
Chang Hao |
Sanpu Hao |
B+2.5 |
|