Doetsu
Keywords: People
Honinbo Doetsu (本因坊道悦 Hon'inbō Dōetsu, 1636-1727) was the third head of the Honinbo house.
Teacher of 4th Honinbo Dosaku.In 1668-1675 he ended reign of Yasui Sanchi (2nd head of Yasui house) as Meijin.After 16 games he forced change handicap from josen to sen-ai-sen (to change handicap it was need to lead 6 games or win 4 in a row), then in next 4 games he scored 3-1 losing only as white.