Rank progression

1p	1966
2p	1967
3p	1968-09-27
4p	1970-05-15
5p	1971-09-17
6p	1973
7p	1975-09-17
8p	1979
9p	1982-10-01

Links

Wikidata Q2749894

http://www.nihonkiin.or.jp/player/htm/ki000042.htm

SL http://senseis.xmp.net/?IshidaAkira

ja https://ja.wikipedia.org/wiki/石田章

fr https://fr.wikipedia.org/wiki/Ishida Akira (go)

en https://en.wikipedia.org/wiki/Akira Ishida (Go player)

cs https://cs.wikipedia.org/wiki/Akira Išida