Takagi Shoichi (高木祥一 Takagi Shōichi, born 1943, retired 2022) is a retired Nihon Ki-in professional Go player.
Takagi is a pupil of Nakagawa Shinji.
Author of "Gohwan Jowa" ( Powerful Fighter Jowa)
Takagi has retired. From the Power Report:
Takagi Shoichi retired as of January 20 (2022). Born in Yokohama City on November 7, 1943, he became a disciple of the late Nakagawa Shinshi? 7-dan in 1956. He made 1-dan in 1962 and reached 9-dan in 1981. He won three titles: the 13th Prime Minister's Cup (1969), the 2nd New Stars?  (1970), and the 19th Prime Minister's Cup (1975). He challenged unsuccessfully for the 11th Judan (1973). He played in the Meijin League three times and the Honinbo League four times. His lifetime record is 989 wins, 626 losses, 4 jigo. He has written four books about go.
Takagi has won four Kido Prizes.
- 1972: Most Wins (30), shared with Kato Masao. (The second-lowest.)
- 1972: Best Winning Percentage (73.2%) (The third-lowest.)
- 1976: Best Winning Streak (13) (Making a three-man tie for the record, which was smashed the following year by Rin Kaiho's 24, Rin's record still standing today.)
- 1984: Technique