Meijin tournament was the first women title tournament. The first women Meijin was in 1974. At first Takojima Akiko, Yamashita Kazuko and
Hayashiba Naoko dominated in Osho tournament. But then began the era of Nakai Hiroe (9 titles) and Shimizu Ichiyu (9 titles).
Participants of Meijin tournament divided on classes A and B. The winner of class A play match with titleholder. It is necessary
to win 3 title games (from 1981) to get Meijin title. Time limit is 3 hours in title match, 2 hours in groups tournament.