Found this in a playthrough of Silver the other night to get to Murkrow lol
>>36789726I don’t count sos chains anymore, I do count re/sr/eggs tho
>>36786916In the interest of full disclosure (lol), I don’t have the twitter account I was using to talk to those dudes about it anymore and was pretty baked at the time, but iirc it basically comes down to getting the exact right TID since most won’t produce a shiny Jirachi at all and the few that do only have like 8-9 frames. If you want a real explanation I’d hop on twitter and ask them about it tho