| Masao Kato | |
|---|---|
| Nickname | The Killer |
| Kanji | 加藤正夫 |
| Born | 15 March 1947 Asakura, Fukuoka, Japan |
| Died | 30 December 2004 (aged 57) |
| Teacher | Minoru Kitani |
| Pupil | Yukari Yoshihara |
| Rank | 9 dan |
Masao Kato Honorary Oza (加藤 正夫, Katō Masao, March 15, 1947 – December 30, 2004), also known as Kato Kensei (加藤剱正 Katō Kensei), was a Japanese professional go player. A late bloomer,[1] Kato won 46 titles, including the Oza eight times in a row.[2] He also became the second player to reach 1,200 career wins, behind Rin Kaiho.[3]
Kato is the author of The Chinese Opening: The Sure-Win Strategy (published in English by Kiseido Publishing Company) and Kato's Attack and Kill (published by Ishi Press).