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Yasuo Koyama (小山靖男, Koyama Yasuo, April 27, 1937 - September 5, 2000) was a professional Go player.

Biography

Koyama was a disciple of Riichi Sekiyama. He 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

References

1. "History of Topics 2000 | Nihon kiin". www.nihonkiin.or.jp. Retrieved 2024-08-16.

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