title: Tatsuaki Iwata
text: # 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 |
  