title: Yasuo Koyama
text: # Yasuo Koyama
  
  Yasuo Koyama (小山靖男, Koyama Yasuo, April 27, 1937 - 2000) was a professional Go player.
  
  ## Biography
  
  Koyama became a 9 dan in 1971. He played in the Kansai Ki-in. His disciple was Yahata Koichi.
  
  ## Titles
  
  | Title | Years Held |
  | - | - |
  | Current | 1 |
  | Kansai Ki-in Championship | 1962 |
  
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