| Masao Sugiuchi | |
|---|---|
| Full name | Masao Sugiuchi |
| Nickname | The God of Go |
| Kanji | 杉内雅男 |
| Born | October 20, 1920 Miyazaki, Japan |
| Teacher | Ichiro Inoue |
| Turned pro | 1941 |
| Rank | 9 dan |
| Affiliation | Nihon Ki-in |
Masao Sugiuchi (杉内雅男 Sugiuchi Masao, born October 20, 1920 in Miyazaki, Japan) is a professional Go player.
Sugiuchi became a professional in 1941. By 1959, he had reached 9 dan. His nickname is "the God of Go" (Japanese Go no Kami-sama) because of his very serious style and straight-laced personality. In December 2004, he became the oldest Nihon Ki-in professional to reach 800 career wins. He is married to Sugiuchi Kazuko (née Honda), one of three professional go-playing sisters.
| Title | Years Lost |
|---|---|
| Current | 4 |
| Honinbo | 1954, 1958 |
| Tengen | 1976 |
| NHK Cup | 1982 |