Michio Ariyoshi

Michio Ariyoshi (有吉 道夫) was a Japanese professional shogi player who achieved the rank of 9-dan. He authored a Tsume shogi book titled "Tsume shogi 121 sen(詰将棋121選)".

Promotion history
The promotion history for Ariyoshi is as follows:
 * 1951: 3-kyū
 * 1953: 1-dan
 * 1955, May 15: 4-dan
 * 1957, April 1: 5-Dan
 * 1958, April 1: 6-dan
 * 1960, April 1: 7-dan
 * 1965, April 1: 8-dan
 * 1979, April 1: 9-dan
 * 2010, May 24: Retired

Titles and other championships
Ariyoshi appeared in major title matches a total of nine times and won one major title. He won the 21st Kisei title in 1972 for his only major title. In addition to his one major title, Ariyoshi won eight other shogi championships during his career.

Death
Ariyoshi died on September 27, 2022, at age 87. He died while being hospitalized for aspiration pneumonia.