Hon'inbō Jōsaku
# Hon'inbō Jōsaku

Hon'inbō Jōsaku (本因坊丈策, 1803–1847) was a Japanese professional go player and the thirteenth head of the Hon'inbō school. He was not in the same top-rank class over the board as either his predecessor Jōwa or his successor Shūwa.

