Inoue Gen'an Inseki

(1798-1859) Head of the Inoue house (1824-1846), proposed a changed numbering that made him the eleventh head (rather than tenth), by including Doseki at the head of the list. At various times known as Hattori Rittetsu, Inoue Ansetsu, Intetsu, Gen(n)an Inseki, Inoue Genan Inseki. Honinbo Jowa was his great rival for the post of Meijin-Godokoro. Jowa was successful in 1831, but only as a result of behind-the-scenes intrigues, and Gen'an Inseki never attained the post.

Author of several go books including Igo Shukairoku and Igo Myoden.