Hon'inbō Jōsaku

Honinbo Josaku
Full name	Honinbo Josaku
Born	1801 Japan
Died	1847 Japan

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.

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