2nd Honinbo Title - Round 1 - Hashimoto Utaro vs Sekiyama Riichi (1943-05-05,06,07)
2nd Honinbo Title - Round 2 - Sekiyama Riichi vs Hashimoto Utaro (1943-07-07,08,09)
36th Honinbo Title - Round 2 - Cho Chikun vs Takemiya Masaki (1981-06-03,04)
Honinbo Dosaku vs. Yasui Santetsu Ⅱ
36th Honinbo Title - Round 4 - Cho Chikun vs Takemiya Masaki (1981-06-23,24)
41st Honinbo Title - Round 2 - Takemiya Masaki vs Yamashiro Hiroshi (1986-05-28,29)
1st Honinbo Title - Round 2 - Sekiyama Riichi vs Kato Shin (1941-02-21)
62nd Honinbo Title - Round 4 - Yoda Norimoto vs Takao Shinji (2007-06-18,19)
4th Honinbo Title - Round 1 - Kitani Minoru vs Iwamoto Kaoru (1947-10-20..22)
62nd Honinbo Title - Round 2 - Yoda Norimoto vs Takao Shinji (2007-05-22,23)
45th Honinbo Title - Round 2 - Cho Chikun vs Kobayashi Koichi (1990-05-28,29)
62nd Honinbo Title - Round 5 - Takao Shinji vs Yoda Norimoto (2007-06-25,26)
44th Honinbo Title - Round 2 - Takemiya Masaki vs Cho Chikun (1989-05-29,30)
20th Honinbo Title - Round 1 - Yamabe Toshiro vs Sakata Eio (1965-04-28,29)
60th Honinbo Title - Round 2 - Takao Shinji vs Cho U (2005-05-26,27)
39th Honinbo Title - Round 2 - Rin Kaiho vs Awaji Shuzo (1984-05-30,31)
54th Honinbo Title - Round 2 - Cho Sonjin vs Cho Chikun (1999-05-24,25)
59th Honinbo Title - Round 2 - Cho U vs Yoda Norimoto (2004-05-24,25)
12th Honinbo Title - Round 5 - Takagawa Shukaku vs Fujisawa Hosai (1957-08-15,16)
43rd Honinbo Title - Round 2 - Otake Hideo vs Takemiya Masaki (1988-05-26,27)
