▁to ▁the ▁third ▁file , ▁so ▁that ▁P - 4 6 ▁and ▁then ▁S - 4 7 ▁can ▁be ▁used . ▁Finally , ▁a ▁S - 3 7 ▁strategy ▁can ▁also ▁be ▁developed ▁from ▁it . ▁▁ ▁For ▁some ▁time , ▁the ▁Mor ish ita ▁System ▁become ▁the ▁dominant ▁way ▁to ▁play ▁Fort ress . ▁Comp ared ▁with ▁the ▁earlier ▁three ▁strateg ies ▁of ▁R - 2 9 , ▁Spe aring ▁the ▁S par row , ▁and ▁Cl im bing ▁Silver ▁variation ▁of ▁Fort ress , ▁the ▁" wait ▁and ▁see " ▁attitude ▁was ▁compared ▁with ▁rock – paper – sc iss ors . ▁ ▁Dec line ▁ ▁By ▁cast ling ▁faster ▁than ▁White , ▁the ▁defining ▁feature ▁of ▁the ▁Mor ish ita ▁System ▁also ▁becomes ▁a ▁weak ▁point ▁in so far ▁as ▁it ▁enables ▁a ▁Spe aring ▁the ▁S par row ▁attack . ▁Due ▁to ▁this ▁weak ▁point , ▁the ▁Mor ish ita ▁System ▁all ▁but ▁disappeared . ▁ ▁G ō da ▁R - 3 8 ▁Str ategy ▁ ▁Again st ▁this , ▁Mas ata ka ▁G ō da ' s ▁play ▁consisting ▁of ▁moving ▁the ▁ro ok ▁to ▁R - 3 8 ▁without ▁eng aging ▁in ▁the ▁G - 6 7 , ▁P - 7 4 ▁exchange ▁came ▁to ▁be ▁called ▁the ▁G ō da ▁variation . ▁By ▁post pon ing ▁the ▁king ' s ▁move , ▁this ▁strategy ▁provided ▁capacity ▁of ▁resistance ▁against ▁Spe aring ▁the ▁S par row . ▁With ▁the ▁aim ▁of ▁ex ch anging ▁pa wn s