Yamamori Tadanao

Yamamori Tadanao (山森 忠直, born 15 February 1981) is a 6 dan professional of the Nihon Ki-in. Professional Shodan in 2000, 2 dan in 2000, 3 dan in 2001, 4 dan in 2002, 5 dan in 2004, 6 dan in 2010, 7 dan in 2019 (120 wins, as of August 2).

Since 10 February 2020, he has been the husband of O Keii, the daughter of O Rissei.

He had a good winning percentage in 2021, 73.08% with 19 wins and 7 losses. There is some confusion, since John Power said that his list was composed only of players with at least 24 wins, yet he put Yamamori on.

• Nihon Ki-in player profile