Hon'inbō Sansa (本因坊算砂, 1559–June 13, 1623) was a Japanese player of Go, and the strongest player of his day. He was a Buddhist priest of the Nichiren sect, and his original name was Nikkai. Living in a temple pavilion called Honinbo, he taught Go there and eventually came to found the house of Honinbo. Among his students were the Japanese warlords Oda Nobunaga and Toyotomi Hideyoshi.

1559 births | 1623 deaths | Japanese Go players | Buddhists

本因坊算砂