The Chained Shiny PID method creates shiny PIDIVs with modifications for a loaded ID-SID.
http://www.smogon.com/ingame/rng/pid_iv_creation#pid_chained_shiny
The X/Y PID-IVs do not match the gen 4 method.
So essentially, you started with your answer to receive your answer. Doesn't do any good, I'm afraid.