Kunio Yonenaga

Yonenaga was one of early shogi professionals who played with computer shogi publicly. In 2012 when was retired, he played a game with bonkras [ja], a computer shogi software, and lost. Yonenaga authored his last book I lost about this game.

Yonenaga died on December 18 2012 from prostate cancer at a hospital in Tokyo.

In 2008 Yonenaga announced he had suffered cancer since 2008 spring. He reported his cancer diagnosis on his website occasionally which later turned into a book Cancer Note (published in 2009).

Yonenaga was regarded as one of the best shogi players through the 1970s and 1980s. He won Kisei, his first titleholder championship in 1973 and dominated four of the seven shogi titles in 1984. 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. Yonenaga retired in 2003.

Yonenaga became a professional in 1963, and was promoted to 9 dan in 1979.

Kunio Yonenaga (米長 邦雄, Yonenaga Kunio, June 10, 1943　- December 18, 2012) was a Japanese professional shogi player and president of Japan Shogi Association (May, 2005 - December 18, 2012). He received an honorary title Lifetime Kisei due to his remarkable results in the Kisei title tournament. He is a former Meijin and 10-dan.

Yonenaga was born in Masuho, Yamanashi in 1943. He became a disciple of shogi professional Yūji Sase and moved to Tokyo to live with his teacher to become a professional.