New reply
http://www.google.com/search?source=ig&hl=en&rlz=&q=shuho+shuwa+sgf+go+discussions+tchan001&oq=shuho+shuwa+sgf+go+discussions+tchan001&aq=f&aqi=&aql=&gs_sm=e&gs_upl=166664l178053l0l178465l39l39l0l29l0l0l178l1118l6.4l10l0#sclient=psy-ab&hl=en&source=hp&q=shuho+shuwa+sgf+go+discussions&pbx=1&oq=shuho+shuwa+sgf+go+discussions&aq=f&aqi=&aql=&gs_sm=e&gs_upl=5578l5578l0l6117l1l1l0l0l0l0l0l0ll0l0&bav=on.2,or.r_gc.r_pw.r_cp.,cf.osb&fp=2be8271d96c3df42&biw=1667&bih=835
that's my google query. The first result has a cached page of the old go discussions forum, where tchan posts the sgf. It says Kaei 1-4-7 indeed. I assume tchan can help out.