Tatsuaki Iwata
# Tatsuaki Iwata

Tatsuaki Iwata (岩田達明, Iwata Tatsuaki, January 2, 1926 – June 30, 2022), 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.

## Promotion record

| Rank | Year |
| - | - |
| 1 dan | 1943 |
| 2 dan | 1944 |
| 3 dan | 1947 |
| 4 dan | 1949 |
| 5 dan | 1951 |
| 6 dan | 1954 |
| 7 dan | 1959 |
| 8 dan | 1961 |
| 9 dan | 1964 |

## Titles & runners-up

| Title | Years Held |
| - | - |
| Current | 6 |
| Okan | 1967, 1969, 1970, 1976, 1979, 1980 |
| Title | Years Lost |
| Current | 6 |
| Okan | 1965, 1972, 1977, 1981, 1985, 1989 |
