| Date |
Tournament |
Black |
White |
Result |
| [1990-12-24] |
26th Korean Paewang, title match #3 |
Chang Suyeong |
Cho Hunhyun |
W+R |
| [1990-12-22] |
30th Korean Choegowi, title match #1 |
Cho Hunhyun |
Lee Changho |
B+R |
| [1990-12-21] |
2nd Korean Kiseong, title match #6 |
Cho Hunhyun |
Yoo Changhyuk |
W+4.5 |
| [1990-12-19] |
26th Korean Paewang, title match #2 |
Cho Hunhyun |
Chang Suyeong |
B+R |
| [1990-12-17] |
15th Korean Kiwang, title match #2 |
Seo Bongsoo |
Cho Hunhyun |
W+R |
| [1990-12-14] |
15th Korean Kiwang, title match #1 |
Cho Hunhyun |
Seo Bongsoo |
B+R |
| [1990-12-10] |
12th Chinese New Physical Education Cup, title match #5 |
Cao Dayuan |
Nie Weiping |
W+0.5 |
| [1990-12-10] |
16th Japanese Tengen, title match #4 |
Rin Kaiho |
Kobayashi Koichi |
B+3.5 |
| [1990-12-10] |
9th Japanese Female Honinbo, title match #3 |
Kusunoki Teruko |
Nakazawa Ayako |
W+6.5 |
| [1990-12-08] |
12th Chinese New Physical Education Cup, title match #4 |
Cao Dayuan |
Nie Weiping |
B+1.5 |
| [1990-12-06] |
34th Kansai-Kiin 1st Place, final 3 |
Miyamoto Yoshihisa |
Hashimoto Shoji |
W+0.5 |
| [1990-12-06] |
26th Korean Paewang, title match #1 |
Chang Suyeong |
Cho Hunhyun |
W+5.5 |
| [1990-11-29] |
16th Japanese Tengen, title match #3 |
Kobayashi Koichi |
Rin Kaiho |
W+R |
| [1990-11-26] |
4th Chinese Best Ten, final |
Ma Xiaochun |
Nie Weiping |
B+R |
| [1990-11-26] |
9th Japanese Female Honinbo, title match #2 |
Nakazawa Ayako |
Kusunoki Teruko |
B+R |
| [1990-11-23] |
16th Japanese Tengen, title match #2 |
Rin Kaiho |
Kobayashi Koichi |
B+0.5 |
| [1990-11-22] |
34th Kansai-Kiin 1st Place, final 2 |
Hashimoto Shoji |
Miyamoto Yoshihisa |
B+R |
| [1990-11-19] |
38th Japanese Oza, title match #5 |
Hane Yasumasa |
Kato Masao |
B+R |
| [1990-11-17] |
9th Japanese Female Honinbo, title match #1 |
Kusunoki Teruko |
Nakazawa Ayako |
B+R |
| [1990-11-16] |
2nd Korean Kiseong, title match #5 |
Yoo Changhyuk |
Cho Hunhyun |
B+2.5 |
| [1990-11-12] |
38th Japanese Oza, title match #4 |
Hane Yasumasa |
Kato Masao |
B+0.5 |
| [1990-11-08] |
34th Kansai-Kiin 1st Place, final 1 |
Miyamoto Yoshihisa |
Hashimoto Shoji |
B+R |
| [1990-11-07] |
15th Japanese Meijin, title match #6 |
Kobayashi Koichi |
Otake Hideo |
B+R |
| [1990-11-02] |
31st Japanese Okan, title match |
Hane Yasumasa |
Ogata Masaki |
W+R |
| [1990-11-01] |
38th Japanese Oza, title match #3 |
Kato Masao |
Hane Yasumasa |
B+R |
| [1990-11-01] |
16th Japanese Tengen, title match #1 |
Kobayashi Koichi |
Rin Kaiho |
B+R |
| [1990-10-31] |
2nd Tongyang Securities Cup, final 4 |
Lee Changho |
Seo Bongsoo |
W+R |
| [1990-10-26] |
3rd Chinese Mingren, title match #5 |
Yu Bin |
Ma Xiaochun |
W+0.5 |
| [1990-10-25] |
38th Japanese Oza, title match #2 |
Hane Yasumasa |
Kato Masao |
W+R |
| [1990-10-24] |
3rd Chinese Mingren, title match #4 |
Ma Xiaochun |
Yu Bin |
B+R |
| [1990-10-24] |
15th Japanese Meijin, title match #5 |
Otake Hideo |
Kobayashi Koichi |
W+R |
| [1990-10-23] |
2nd Korean Kiseong, title match #4 |
Cho Hunhyun |
Yoo Changhyuk |
W+0.5 |
| [1990-10-22] |
2nd Tongyang Securities Cup, final 3 |
Seo Bongsoo |
Lee Changho |
B+R |
| [1990-10-22] |
3rd Chinese Mingren, title match #3 |
Yu Bin |
Ma Xiaochun |
W+R |
| [1990-10-20] |
3rd Chinese Mingren, title match #2 |
Ma Xiaochun |
Yu Bin |
W+R |
| [1990-10-18] |
3rd Chinese Mingren, title match #1 |
Yu Bin |
Ma Xiaochun |
B+1.5 |
| [1990-10-17] |
15th Japanese Meijin, title match #4 |
Kobayashi Koichi |
Otake Hideo |
B+R |
| [1990-10-12] |
2nd Tongyang Securities Cup, final 2 |
Lee Changho |
Seo Bongsoo |
W+0.5 |
| [1990-10-10] |
34th Korean Kuksu, title match #3 |
Cho Hunhyun |
Lee Changho |
W+6.5 |
| [1990-10-09] |
38th Japanese Oza, title match #1 |
Kato Masao |
Hane Yasumasa |
W+1.5 |
| [1990-10-07] |
23rd Japanese Hayago Championship, final |
Rin Kaiho |
Cho Chikun |
W+1.5 |
| [1990-10-03] |
15th Japanese Meijin, title match #3 |
Otake Hideo |
Kobayashi Koichi |
B+7.5 |
| [1990-09-29] |
21st Korean Myeongin, title match #4 |
Lee Changho |
Cho Hunhyun |
W+R |
| [1990-09-27] |
34th Korean Kuksu, title match #2 |
Lee Changho |
Cho Hunhyun |
B+6.5 |
| [1990-09-26] |
12th Chinese New Physical Education Cup, title match #3 |
Nie Weiping |
Cao Dayuan |
B+R |
| [1990-09-26] |
15th Japanese Meijin, title match #2 |
Kobayashi Koichi |
Otake Hideo |
W+2.5 |
| [1990-09-23] |
2nd Korean Kiseong, title match #3 |
Yoo Changhyuk |
Cho Hunhyun |
B+11.5 |
| [1990-09-21] |
2nd Tongyang Securities Cup, final 1 |
Seo Bongsoo |
Lee Changho |
W+7.5 |
| [1990-09-17] |
15th Japanese Shinjin O, final 3 |
Yuki Satoshi |
Yoda Norimoto |
W+R |
| [1990-09-16] |
12th Chinese New Physical Education Cup, title match #2 |
Cao Dayuan |
Nie Weiping |
W+R |
| [1990-09-16] |
2nd Korean Kiseong, title match #1 |
Cho Hunhyun |
Yoo Changhyuk |
B+R |
| [1990-09-12] |
15th Japanese Meijin, title match #1 |
Otake Hideo |
Kobayashi Koichi |
W+R |
| [1990-09-11] |
21st Korean Myeongin, title match #3 |
Cho Hunhyun |
Lee Changho |
B+R |
| [1990-09-10] |
12th Chinese New Physical Education Cup, title match #1 |
Nie Weiping |
Cao Dayuan |
W+2.5 |
| [1990-09-10] |
15th Japanese Shinjin O, final 2 |
Yoda Norimoto |
Yuki Satoshi |
W+R |
| [1990-09-08] |
3rd Japanese IBM Hayago Open, final |
Kobayashi Satoru |
Ohira Shuzo |
B+1.5 |
| [1990-09-07] |
34th Korean Kuksu, title match #1 |
Cho Hunhyun |
Lee Changho |
W+2.5 |
| [1990-09-04] |
21st Korean Myeongin, title match #2 |
Lee Changho |
Cho Hunhyun |
W+5.5 |
| [1990-09-03] |
12th Japanese Female Kakusei, final |
Sugiuchi Kazuko |
Sakakibara Fumiko |
W+T |
| [1990-08-27] |
9th Korean KBS Cup, final 2 |
Cho Hunhyun |
Seo Nungwuk |
B+R |
| [1990-08-27] |
9th Korean KBS Cup, final 3 |
Cho Hunhyun |
Seo Nungwuk |
B+R |
| [1990-08-27] |
15th Japanese Shinjin O, final 1 |
Yuki Satoshi |
Yoda Norimoto |
W+R |
| [1990-08-24] |
21st Korean Myeongin, title match #1 |
Cho Hunhyun |
Lee Changho |
W+0.5 |
| [1990-08-20] |
9th Korean KBS Cup, final 1 |
Seo Nungwuk |
Cho Hunhyun |
B+0.5 |
| [1990-08-15] |
2nd Asian TV Cup, final |
Lee Changho |
Takemiya Masaki |
W+R |
| [1990-08-04] |
3rd Fujitsu Cup, final |
Rin Kaiho |
Nie Weiping |
B+R |
| [1990-07-31] |
15th Japanese Gosei, title match #3 |
Kobayashi Satoru |
Kobayashi Koichi |
W+10.5 |
| [1990-07-26] |
1990 Tengzhou Cup, final |
Ma Xiaochun |
Nie Weiping |
W+R |
| [1990-07-25] |
45th Japanese Honinbo, title match #7 |
Kobayashi Koichi |
Cho Chikun |
W+3.5 |
| [1990-07-18] |
45th Japanese Honinbo, title match #6 |
Cho Chikun |
Kobayashi Koichi |
B+6.5 |
| [1990-07-13] |
15th Japanese Gosei, title match #2 |
Kobayashi Koichi |
Kobayashi Satoru |
B+R |
| [1990-07-11] |
7th Korean Bacchus Cup, final 3 |
Cho Hunhyun |
Yoo Changhyuk |
B+5.5 |
| [1990-07-09] |
45th Japanese Honinbo, title match #5 |
Kobayashi Koichi |
Cho Chikun |
W+7.5 |
| [1990-07-04] |
15th Japanese Gosei, title match #1 |
Kobayashi Satoru |
Kobayashi Koichi |
W+R |
| [1990-06-27] |
7th Korean Bacchus Cup, final 2 |
Yoo Changhyuk |
Cho Hunhyun |
W+2.5 |
| [1990-06-19] |
45th Japanese Honinbo, title match #4 |
Cho Chikun |
Kobayashi Koichi |
W+R |
| [1990-06-12] |
7th Korean Bacchus Cup, final 1 |
Cho Hunhyun |
Yoo Changhyuk |
B+R |
| [1990-06-11] |
2nd Chinese CCTV Cup, final |
Qian Yuping |
Liu Xiaoguang |
B+R |
| [1990-06-07] |
45th Japanese Honinbo, title match #3 |
Kobayashi Koichi |
Cho Chikun |
B+0.5 |
| [1990-05-28] |
45th Japanese Honinbo, title match #2 |
Cho Chikun |
Kobayashi Koichi |
W+R |
| [1990-05-17] |
5th Korean New King, final 2 |
Jong Hyeonsan |
Lee Changho |
W+6.5 |
| [1990-05-11] |
45th Japanese Honinbo, title match #1 |
Kobayashi Koichi |
Cho Chikun |
W+R |
| [1990-05-03] |
8th Korean MBC Emperor, final 2 |
Seo Nungwuk |
Cho Hunhyun |
W+R |
| [1990-05-03] |
8th Korean MBC Emperor, final 1 |
Cho Hunhyun |
Seo Nungwuk |
B+6.5 |
| [1990-04-26] |
28th Japanese Judan, title match #5 |
Cho Chikun |
Takemiya Masaki |
W+0.5 |
| [1990-04-19] |
28th Japanese Judan, title match #4 |
Takemiya Masaki |
Cho Chikun |
W+R |
| [1990-04-14] |
4th Chinese Tianyuan, title match #5 |
Qian Yuping |
Liu Xiaoguang |
W+0.5 |
| [1990-04-12] |
4th Chinese Tianyuan, title match #4 |
Qian Yuping |
Liu Xiaoguang |
B+3.5 |
| [1990-04-10] |
4th Chinese Tianyuan, title match #3 |
Liu Xiaoguang |
Qian Yuping |
B+R |
| [1990-04-08] |
4th Chinese Tianyuan, title match #2 |
Qian Yuping |
Liu Xiaoguang |
B+3.5 |
| [1990-04-06] |
4th Chinese Tianyuan, title match #1 |
Liu Xiaoguang |
Qian Yuping |
B+3.5 |
| [1990-04-04] |
28th Japanese Judan, title match #3 |
Cho Chikun |
Takemiya Masaki |
B+5.5 |
| [1990-04-03] |
5th Korean New King, final 1 |
Lee Changho |
Jong Hyeonsan |
B+8.5 |
| [1990-03-30] |
24th Korean Wangwi, title match #4 |
Seo Bongsoo |
Cho Hunhyun |
W+R |
| [1990-03-28] |
28th Japanese Judan, title match #2 |
Takemiya Masaki |
Cho Chikun |
B+R |
| [1990-03-26] |
24th Korean Wangwi, title match #3 |
Cho Hunhyun |
Seo Bongsoo |
B+R |
| [1990-03-18] |
37th Japanese NHK Cup, final |
Otake Hideo |
Ishida Yoshio |
W+10.5 |
| [1990-03-18] |
20th Japanese Shinei Tournament, final |
Yoda Norimoto |
Hiroe Hiroyuki |
W+R |
| [1990-03-13] |
24th Korean Wangwi, title match #2 |
Seo Bongsoo |
Cho Hunhyun |
W+R |
| [1990-03-10] |
9th Japanese NEC Cup, final |
O Rissei |
Rin Kaiho |
W+R |
| [1990-03-10] |
5th Japanese NEC Shunei, final |
Michael Redmond |
Komatsu Hideki |
W+R |
| [1990-03-08] |
28th Japanese Judan, title match #1 |
Cho Chikun |
Takemiya Masaki |
W+R |
| [1990-03-07] |
24th Korean Wangwi, title match #1 |
Cho Hunhyun |
Seo Bongsoo |
B+R |
| [1990-02-28] |
14th Japanese Kisei, title match #5 |
Kobayashi Koichi |
Otake Hideo |
B+R |
| [1990-02-21] |
14th Japanese Kisei, title match #4 |
Otake Hideo |
Kobayashi Koichi |
W+R |
| [1990-02-20] |
14th Korean Kiwang, title match #5 |
Cho Hunhyun |
Seo Bongsoo |
B+R |
| [1990-02-12] |
12th Japanese Kakusei, final |
Kataoka Satoshi |
O Rissei |
B+R |
| [1990-02-07] |
14th Japanese Kisei, title match #3 |
Kobayashi Koichi |
Otake Hideo |
B+R |
| [1990-02-07] |
14th Korean Kiwang, title match #4 |
Seo Bongsoo |
Cho Hunhyun |
W+R |
| [1990-02-05] |
7th Korean Taewang, title match #3 |
Yoo Changhyuk |
Cho Hunhyun |
W+2.5 |
| [1990-02-02] |
29th Korean Choegowi, title match #5 |
Lee Changho |
Cho Hunhyun |
B+0.5 |
| [1990-01-31] |
14th Japanese Kisei, title match #2 |
Otake Hideo |
Kobayashi Koichi |
B+R |
| [1990-01-30] |
1st Korean Kiseong, final 6 |
Yoo Changhyuk |
Cho Hunhyun |
W+R |
| [1990-01-24] |
1st Korean Kiseong, final 5 |
Cho Hunhyun |
Yoo Changhyuk |
B+R |
| [1990-01-19] |
29th Korean Choegowi, title match #4 |
Cho Hunhyun |
Lee Changho |
B+R |
| [1990-01-17] |
14th Japanese Kisei, title match #1 |
Kobayashi Koichi |
Otake Hideo |
B+3.5 |
| [1990-01-17] |
25th Korean Paewang, title match #3 |
Cho Hunhyun |
Oh Kyuchul |
B+R |
| [1990-01-15] |
14th Korean Kiwang, title match #3 |
Cho Hunhyun |
Seo Bongsoo |
B+4.5 |
| [1990-01-12] |
1st Korean Kiseong, final 4 |
Yoo Changhyuk |
Cho Hunhyun |
W+2.5 |
| [1990-01-10] |
7th Korean Taewang, title match #2 |
Cho Hunhyun |
Yoo Changhyuk |
B+R |
| [1990-01-08] |
29th Korean Choegowi, title match #3 |
Lee Changho |
Cho Hunhyun |
B+R |
| [1990-01-04] |
25th Korean Paewang, title match #2 |
Oh Kyuchul |
Cho Hunhyun |
W+R |
