their opponent was crushed , and they were able to extract themselves out of a difficult situation before the main troops from hojo arrived . 北条本隊が到着する前に敵陣を突破し窮地を脱した。
sanzaemon kuroda said , ' if the advance troops lost , our main troops will probably not hold , so this is to be my last stand .' 黒田三左衛門曰く「先鋒がもし敗れたならば我が本軍もまた恐らくは支え難からん是れ吾が死所なり。」
the army of masakage yamagata was united with the main troops of shingen after making kakimoto-jo castle and idaira-jo castle (idairagoya-jo castle ) surrender . 山県昌景軍は柿本城、井平城（井平小屋城）を落として信玄本隊と合流した。
ono no hatayasu , one of his cooperators defeated the fukei ' s main troops on the 4th at mt . nara (in present nara city ), the north of yamato-no-miyako . 一方、大野果安は北の乃楽山（ならやま。今の奈良市）で4日に吹負の本隊を撃破した。
yet another theory , ' unexpected encounter theory ' states as follows: while both forces were marching in a dense fog condition , the main troops of both sides encountered unexpectedly , developing into a battle . また、両軍ともに濃霧の中で行軍していて、本隊同士が期せずして遭遇して合戦になったという「予期せぬ遭遇説」もある。
