In February, 1907, Shuei passed away leaving a will that Karigane to be Honinbo, which brought a conflict on the succession of the professional name Honinbo between the supporters of Karigane Rokudan (6 dan) and the those of Tamura Nanadan (7 dan), therefore, Honinbo Shugen, Shuei's younger brother and Shuwa Honinbo's third son, became the provisional Honinbo the 21st.
1907年2月に秀栄が、雁金を本因坊にと遺言を残して没すると、本因坊の名跡を巡り六段雁金と七段田村をそれぞれ推す派が対立し、暫定で秀栄の弟で本因坊秀和の三男である本因坊秀元が20世本因坊となる。