Tatsuaki Iwata

Tatsuaki Iwata (岩田達明), also known as Masao Iwata, was a Japanese professional Go player.

Biography
Iwata was a 9-dan Go professional from the Nagoya branch of the Nihon Ki-in. He won his 800th professional game in 2004. He retired from tournament play in 2011. He died in 2022 at the age of 96.