▁on ▁the ▁third ▁file ▁and ▁so ▁on , ▁it ▁was ▁said ▁that ▁this ▁strategy ▁took ▁over ▁the ▁main ▁r ationale ▁behind ▁the ▁Mor ish ita ▁System ▁and ▁became ▁a ▁rev ival ▁of ▁its ▁driving ▁power . ▁The ▁basic ▁idea ▁of ▁this ▁strategy ▁was ▁to ▁move ▁on ▁the ▁third ▁rather ▁than ▁on ▁the ▁second ▁file ▁by ▁not ▁pushing ▁the ▁ro ok ▁pa wn . ▁ ▁The ▁Rev ival ▁of ▁Mor ish ita ▁System ▁ ▁While ▁G ō da ' s ▁R - 3 8 ▁variation ▁was ▁being ▁played , ▁K ō ichi ▁Fu ka ura ▁started ▁research ▁on ▁the ▁conventional ▁Mor ish ita ▁System ▁resulting ▁in ▁post pon ing ▁the ▁king ' s ▁move ▁to ▁K - 8 8 ▁against ▁Spe aring ▁the ▁S par row , ▁by ▁moving ▁the ▁silver ▁to ▁S - 4 6 , ▁and ▁then ▁P - 5 5 , ▁P x 5 5 , ▁S x 5 5 , ▁hence ▁building ▁the ▁position ▁from ▁the ▁fifth ▁file , ▁which ▁was ▁found ▁effective ▁and ▁made ▁the ▁Mor ish ita ▁System ▁become ▁popular ▁once ▁again . ▁ ▁See ▁also ▁▁ ▁Fort ress ▁opening ▁ ▁W aki ▁System ▁ ▁Spe aring ▁the ▁S par row ▁ ▁Central ▁Ro ok ▁Fort ress ▁ ▁Ak ut su ▁Rap id ▁Att ack ▁Y ag ura ▁ ▁St atic ▁Ro ok ▁ ▁Bibli ography ▁ ▁External ▁links ▁▁ ▁Sh og i ▁Maz e : ▁ ▁Y ag ura : ▁Mor ish ita ▁System ▁ 1 ▁ ▁Y ag ura : ▁Mor ish ita ▁System ▁ 2