Hoshiai Hasseki (1669-1693; by other sources: 1666-1692) 7dan Pupil of Dosaku. In 1683 he made his first apperance in castle games. In 1691 he retourned to Ise (due his illness) and there died in 1692.
Hayashi Monnyu - Hoshiai Hasseki B+4 1683-01-17
Hoshiai Hasseki - Hayashi Monnyu W+3 1684-01-05
Yasui Chitetsu - Hoshiai Hasseki B+8 1685-01-20
Hayashi Monnyu - Hoshiai Hasseki B+R 1685-12-25
Inoue Dosa Inseki - Hoshiai Hasseki B+3 1688-01-14
Inoue Dosa Inseki - Hoshiai Hasseki B+5 1690-01-29
Some games of this prodigy: http://web2go.board19.com/gopro/psnx_list.php?id=517