(鶴山 淳志) Japanese professional player affiliated to Nihon Ki-in, born 1981-08-31, pupil of Cho Chikun. Promoted 1 dan in 1999, 2 dan in 1999-11, 3 dan in 2000, 4 dan in 2001, 5 dan in 2003, 6 dan in 2005, 7 dan in 2010, and 8 dan in 2019 (150 wins, as of Sept. 27).
In 2004 won a Kido Prize for winning 75% of his games (scoring 27 wins and 9 losses). Reached 200 wins in 2005.
He co-stars on a popular Japanese Go Youtube channel. He also has a Twitter account.
Tsuruyama along with Rin Kanketsu write a column in Go Weekly on yojijukugo (4 character Chinese idioms). They call themselves "Tsururin." In each part of the series, a particular Go player's personality, style, and mannerisms on and off the board are matched to a four character idiom. Supplements to this column are available online: https://www.nihonkiin.or.jp/etc/go_weekly/tsururin000.html.
Tsuruyama gave a lecture in English (introduction and notes) on capturing races for the Nihon Kiin's overseas division: https://www.youtube.com/watch?v=MpxuHGhiXW0
Nihon Ki-in profile