| Date |
Tournament |
Black |
White |
Result |
| [1991-12-30] |
3rd Korean Kiseong, title match #2 |
Yoo Changhyuk |
Cho Hunhyun |
B+11.5 |
| [1991-12-23] |
5th Chinese Best Ten, final |
Ma Xiaochun |
Nie Weiping |
W+4.5 |
| [1991-12-21] |
3rd Korean Kiseong, title match #1 |
Cho Hunhyun |
Yoo Changhyuk |
B+4.5 |
| [1991-12-19] |
17th Japanese Tengen, title match #4 |
Kato Masao |
Rin Kaiho |
W+0.5 |
| [1991-12-11] |
16th Korean Kiwang, title match #3 |
Seo Bongsoo |
Cho Hunhyun |
W+0.5 |
| [1991-12-02] |
16th Korean Kiwang, title match #2 |
Cho Hunhyun |
Seo Bongsoo |
B+R |
| [1991-12-02] |
17th Japanese Tengen, title match #3 |
Rin Kaiho |
Kato Masao |
W+R |
| [1991-12-02] |
10th Japanese Female Honinbo, title match #3 |
Nakazawa Ayako |
Kobayashi Chizu |
B+2.5 |
| [1991-11-23] |
16th Korean Kiwang, title match #1 |
Seo Bongsoo |
Cho Hunhyun |
W+3.5 |
| [1991-11-22] |
10th Japanese Female Honinbo, title match #2 |
Nakazawa Ayako |
Kobayashi Chizu |
W+14.5 |
| [1991-11-22] |
17th Japanese Tengen, title match #2 |
Kato Masao |
Rin Kaiho |
W+1.5 |
| [1991-11-19] |
13th Chinese New Physical Education Cup, title match #2 |
Nie Weiping |
Chen Linxin |
W+10.5 |
| [1991-11-14] |
35th Kansai-Kiin 1st Place, final 2 |
Koyama Yasuo |
Sekiyama Toshio |
W+3.5 |
| [1991-11-10] |
10th Japanese Female Honinbo, title match #1 |
Kobayashi Chizu |
Nakazawa Ayako |
W+R |
| [1991-11-08] |
35th Korean Kuksu, title match #5 |
Cho Hunhyun |
Lee Changho |
B+6.5 |
| [1991-11-07] |
32nd Japanese Okan, title match |
Hane Yasumasa |
Ogata Masaki |
W+R |
| [1991-11-05] |
35th Kansai-Kiin 1st Place, final 1 |
Sekiyama Toshio |
Koyama Yasuo |
B+1.5 |
| [1991-10-31] |
17th Japanese Tengen, title match #1 |
Rin Kaiho |
Kato Masao |
B+R |
| [1991-10-28] |
4th Chinese Mingren, title match #5 |
Ma Xiaochun |
Nie Weiping |
B+3.5 |
| [1991-10-28] |
39th Japanese Oza, title match #4 |
Hane Yasumasa |
Fujisawa Hideyuki |
W+R |
| [1991-10-26] |
35th Korean Kuksu, title match #4 |
Lee Changho |
Cho Hunhyun |
B+2.5 |
| [1991-10-26] |
4th Chinese Mingren, title match #4 |
Ma Xiaochun |
Nie Weiping |
B+3.5 |
| [1991-10-24] |
4th Chinese Mingren, title match #3 |
Nie Weiping |
Ma Xiaochun |
B+R |
| [1991-10-23] |
16th Japanese Meijin, title match #5 |
Rin Kaiho |
Kobayashi Koichi |
W+3.5 |
| [1991-10-22] |
39th Japanese Oza, title match #3 |
Fujisawa Hideyuki |
Hane Yasumasa |
B+R |
| [1991-10-20] |
24th Japanese Hayago Championship, final |
Cho Chikun |
Yuki Satoshi |
B+R |
| [1991-10-19] |
4th Chinese Mingren, title match #2 |
Ma Xiaochun |
Nie Weiping |
B+1.5 |
| [1991-10-17] |
39th Japanese Oza, title match #2 |
Hane Yasumasa |
Fujisawa Hideyuki |
B+R |
| [1991-10-16] |
35th Korean Kuksu, title match #3 |
Cho Hunhyun |
Lee Changho |
B+R |
| [1991-10-16] |
16th Japanese Meijin, title match #4 |
Kobayashi Koichi |
Rin Kaiho |
B+5.5 |
| [1991-10-15] |
4th Chinese Mingren, title match #1 |
Nie Weiping |
Ma Xiaochun |
B+1.5 |
| [1991-10-07] |
35th Korean Kuksu, title match #2 |
Lee Changho |
Cho Hunhyun |
B+1.5 |
| [1991-10-04] |
39th Japanese Oza, title match #1 |
Fujisawa Hideyuki |
Hane Yasumasa |
B+R |
| [1991-10-02] |
16th Japanese Meijin, title match #3 |
Rin Kaiho |
Kobayashi Koichi |
W+3.5 |
| [1991-09-28] |
35th Korean Kuksu, title match #1 |
Cho Hunhyun |
Lee Changho |
B+R |
| [1991-09-25] |
16th Japanese Meijin, title match #2 |
Kobayashi Koichi |
Rin Kaiho |
W+2.5 |
| [1991-09-20] |
3rd Tongyang Securities Cup, final 2 |
Lee Changho |
Rin Kaiho |
B+1.5 |
| [1991-09-18] |
3rd Tongyang Securities Cup, final 1 |
Rin Kaiho |
Lee Changho |
B+0.5 |
| [1991-09-16] |
16th Japanese Shinjin O, final 3 |
Cho Sonjin |
Ryu Shikun |
B+R |
| [1991-09-11] |
16th Japanese Meijin, title match #1 |
Rin Kaiho |
Kobayashi Koichi |
W+2.5 |
| [1991-09-09] |
16th Japanese Shinjin O, final 2 |
Ryu Shikun |
Cho Sonjin |
B+R |
| [1991-09-05] |
10th Korean KBS Cup, final 2 |
Cho Hunhyun |
Seo Nungwuk |
B+R |
| [1991-09-02] |
16th Japanese Shinjin O, final 1 |
Cho Sonjin |
Ryu Shikun |
B+0.5 |
| [1991-08-30] |
3rd Asian TV Cup, final |
Takemiya Masaki |
Cao Dayuan |
B+R |
| [1991-08-27] |
16th Japanese Gosei, title match #5 |
Kobayashi Koichi |
Kobayashi Satoru |
B+R |
| [1991-08-26] |
13th Japanese Female Kakusei, final |
Miyazaki Shimako |
Aoki Kikuyo |
W+R |
| [1991-08-22] |
10th Korean KBS Cup, final 1 |
Seo Nungwuk |
Cho Hunhyun |
W+5.5 |
| [1991-08-20] |
22nd Korean Myeongin, title match #3 |
Cho Hunhyun |
Lee Changho |
W+R |
| [1991-08-19] |
16th Japanese Gosei, title match #4 |
Kobayashi Koichi |
Kobayashi Satoru |
W+0.5 |
| [1991-08-18] |
1st Japanese Ryusei, final |
Cho Chikun |
Ishida Yoshio |
B+13.5 |
| [1991-08-05] |
22nd Korean Myeongin, title match #2 |
Lee Changho |
Cho Hunhyun |
B+0.5 |
| [1991-08-01] |
22nd Korean Myeongin, title match #1 |
Cho Hunhyun |
Lee Changho |
W+10.5 |
| [1991-07-31] |
16th Japanese Gosei, title match #3 |
Kobayashi Satoru |
Kobayashi Koichi |
B+R |
| [1991-07-22] |
16th Japanese Gosei, title match #2 |
Kobayashi Koichi |
Kobayashi Satoru |
B+R |
| [1991-07-17] |
46th Japanese Honinbo, title match #6 |
Kobayashi Koichi |
Cho Chikun |
W+R |
| [1991-07-11] |
16th Japanese Gosei, title match #1 |
Kobayashi Satoru |
Kobayashi Koichi |
W+7.5 |
| [1991-07-03] |
46th Japanese Honinbo, title match #5 |
Cho Chikun |
Kobayashi Koichi |
B+3.5 |
| [1991-06-30] |
8th Korean Bacchus Cup, final 3 |
Lee Changho |
Yoo Changhyuk |
B+R |
| [1991-06-27] |
46th Japanese Honinbo, title match #4 |
Kobayashi Koichi |
Cho Chikun |
W+5.5 |
| [1991-06-22] |
8th Korean Bacchus Cup, final 2 |
Yoo Changhyuk |
Lee Changho |
W+R |
| [1991-06-10] |
9th Korean MBC Emperor, final 2 |
Seo Bongsoo |
Lee Changho |
W+12.5 |
| [1991-06-07] |
8th Korean Bacchus Cup, final 1 |
Lee Changho |
Yoo Changhyuk |
B+R |
| [1991-06-07] |
46th Japanese Honinbo, title match #3 |
Cho Chikun |
Kobayashi Koichi |
B+10.5 |
| [1991-05-27] |
46th Japanese Honinbo, title match #2 |
Kobayashi Koichi |
Cho Chikun |
B+4.5 |
| [1991-05-27] |
9th Korean MBC Emperor, final 1 |
Lee Changho |
Seo Bongsoo |
B+2.5 |
| [1991-05-23] |
3rd Chinese CCTV Cup, final |
Cao Dayuan |
Ma Xiaochun |
W+R |
| [1991-05-15] |
1st Korean BC Card Cup, final 2 |
Cho Hunhyun |
Kim Heejung |
B+R |
| [1991-05-10] |
46th Japanese Honinbo, title match #1 |
Cho Chikun |
Kobayashi Koichi |
W+R |
| [1991-05-07] |
1st Korean BC Card Cup, final 1 |
Kim Heejung |
Cho Hunhyun |
W+R |
| [1991-04-25] |
29th Japanese Judan, title match #5 |
Cho Chikun |
Takemiya Masaki |
W+R |
| [1991-04-21] |
25th Korean Wangwi, title match #7 |
Cho Hunhyun |
Lee Changho |
W+R |
| [1991-04-18] |
29th Japanese Judan, title match #4 |
Takemiya Masaki |
Cho Chikun |
B+R |
| [1991-04-17] |
25th Korean Wangwi, title match #6 |
Cho Hunhyun |
Lee Changho |
B+0.5 |
| [1991-04-04] |
29th Japanese Judan, title match #3 |
Cho Chikun |
Takemiya Masaki |
B+3.5 |
| [1991-03-28] |
29th Japanese Judan, title match #2 |
Takemiya Masaki |
Cho Chikun |
B+R |
| [1991-03-24] |
21st Japanese Shinei Tournament, final |
Tei Meiko |
Komatsu Hideki |
W+T |
| [1991-03-19] |
15th Japanese Kisei, title match #7 |
Kato Masao |
Kobayashi Koichi |
W+4.5 |
| [1991-03-18] |
13th Japanese Kakusei, final |
Otake Hideo |
Takemiya Masaki |
W+R |
| [1991-03-17] |
38th Japanese NHK Cup, final |
Yoda Norimoto |
O Meien |
B+R |
| [1991-03-16] |
25th Korean Wangwi, title match #5 |
Lee Changho |
Cho Hunhyun |
B+R |
| [1991-03-14] |
29th Japanese Judan, title match #1 |
Cho Chikun |
Takemiya Masaki |
B+1.5 |
| [1991-03-13] |
5th Chinese Tianyuan, title match #3 |
Liu Xiaoguang |
Nie Weiping |
W+R |
| [1991-03-13] |
15th Japanese Kisei, title match #6 |
Kobayashi Koichi |
Kato Masao |
W+0.5 |
| [1991-03-11] |
5th Chinese Tianyuan, title match #2 |
Nie Weiping |
Liu Xiaoguang |
B+7.5 |
| [1991-03-09] |
25th Korean Wangwi, title match #4 |
Cho Hunhyun |
Lee Changho |
W+R |
| [1991-03-09] |
10th Japanese NEC Cup, final |
Otake Hideo |
Kato Masao |
W+R |
| [1991-03-09] |
5th Chinese Tianyuan, title match #1 |
Liu Xiaoguang |
Nie Weiping |
W+2.5 |
| [1991-03-09] |
6th Japanese NEC Shunei, final |
Tei Meiko |
O Meien |
W+R |
| [1991-03-06] |
25th Korean Wangwi, title match #3 |
Lee Changho |
Cho Hunhyun |
B+5.5 |
| [1991-03-03] |
2nd Chinese Qiwang, title match #4 |
Nie Weiping |
Qian Yuping |
B+1.5 |
| [1991-02-27] |
15th Japanese Kisei, title match #5 |
Kato Masao |
Kobayashi Koichi |
W+5.5 |
| [1991-02-26] |
30th Korean Choegowi, title match #5 |
Lee Changho |
Cho Hunhyun |
B+1.5 |
| [1991-02-23] |
25th Korean Wangwi, title match #2 |
Cho Hunhyun |
Lee Changho |
B+R |
| [1991-02-20] |
15th Japanese Kisei, title match #4 |
Kobayashi Koichi |
Kato Masao |
W+5.5 |
| [1991-02-20] |
3rd Japanese Female Meijin, title match #3 |
Aoki Kikuyo |
Sugiuchi Kazuko |
W+7.5 |
| [1991-02-19] |
30th Korean Choegowi, title match #4 |
Lee Changho |
Cho Hunhyun |
B+10.5 |
| [1991-02-13] |
25th Korean Wangwi, title match #1 |
Lee Changho |
Cho Hunhyun |
W+2.5 |
| [1991-02-08] |
8th Korean Taewang, title match #4 |
Lee Changho |
Cho Hunhyun |
B+R |
| [1991-02-06] |
15th Japanese Kisei, title match #3 |
Kato Masao |
Kobayashi Koichi |
W+R |
| [1991-02-06] |
3rd Japanese Female Meijin, title match #2 |
Aoki Kikuyo |
Sugiuchi Kazuko |
B+7.5 |
| [1991-01-30] |
15th Japanese Kisei, title match #2 |
Kobayashi Koichi |
Kato Masao |
B+1.5 |
| [1991-01-26] |
30th Korean Choegowi, title match #3 |
Cho Hunhyun |
Lee Changho |
W+4.5 |
| [1991-01-26] |
2nd Chinese Qiwang, title match #3 |
Qian Yuping |
Nie Weiping |
B+R |
| [1991-01-23] |
2nd Chinese Qiwang, title match #2 |
Nie Weiping |
Qian Yuping |
B+R |
| [1991-01-23] |
8th Korean Taewang, title match #3 |
Cho Hunhyun |
Lee Changho |
W+1.5 |
| [1991-01-20] |
2nd Chinese Qiwang, title match #1 |
Qian Yuping |
Nie Weiping |
W+R |
| [1991-01-19] |
30th Korean Choegowi, title match #2 |
Lee Changho |
Cho Hunhyun |
W+3.5 |
| [1991-01-18] |
15th Japanese Kisei, title match #1 |
Kato Masao |
Kobayashi Koichi |
B+1.5 |
| [1991-01-17] |
3rd Japanese Female Meijin, title match #1 |
Sugiuchi Kazuko |
Aoki Kikuyo |
B+R |
| [1991-01-15] |
15th Korean Kiwang, title match #4 |
Seo Bongsoo |
Cho Hunhyun |
W+R |
| [1991-01-13] |
8th Korean Taewang, title match #2 |
Lee Changho |
Cho Hunhyun |
B+5.5 |
| [1991-01-07] |
8th Korean Taewang, title match #1 |
Cho Hunhyun |
Lee Changho |
B+0.5 |
| [1991-01-04] |
15th Korean Kiwang, title match #3 |
Cho Hunhyun |
Seo Bongsoo |
W+0.5 |
