In "Rankadokiwa" written by Motomi HAYASHI, this temple was Enshoji temple, Kashiwagi village, and Sakuan became a master of igo since then, having no opponents in the entire Edo town.
林元美『爛柯堂棋話』では、この寺は柏木村円照寺で、昨庵はこの後囲碁の名人となり、江戸中に敵が無くなったとある。