Kunio Yonenaga (米長 邦雄, Yonenaga Kunio, June 10, 1943[3] - December 18, 2012[3][4]) was a Japanese professional shogi player[3] and president of Japan Shogi Association[5] (May, 2005 - December 18, 2012[4][6]).
He was awarded as Best Shogi Player of the Year thrice (1978, 1983 and 1984), though he had not won a Meijin title, then regarded the supreme tournament, for decades.
He finally won Meijin in 1993 when he was 49 (the oldest on record), but he was defeated by Yoshiharu Habu the next year.
In 2012 when was retired, he played a game with bonkras [ja], a computer shogi software, and lost.
Yonenaga died on December 18, 2012 from prostate cancer at a hospital in Tokyo.