Peggy, thank you for such a nice appreciation.
Always glad to help whenever I can.
Pied is a difficult one to work with for someone completely new to genetics due to the way it works(the way it doesn't "breed true"). The real short answer, you'd be safe with either a pied pair or one pied and one white. Or even something like one pied peacock and a couple peahens in both pied and white. Guaranteed to get at least half pied chicks that way.
I really like the pieds, think they are so flashy and how every egg hatches out a surprise out of a pied pen.
Colby, if the IB hen is pure IB, then all of the chicks will be IB split white. If you get a pied out of this pair, it would be proof the hen is split pied. Did you get a pied?
Whites out of silver pieds do have "something different", exactly what it is, is not known yet(?). For example a 'regular' white bred with a silver pied will not throw silver pieds. "Silver pied white" (like your white)bred with silver pied are supposed to throw silver pieds. As to what/why/specifics, don't know... for longer answer see below.
The usual information is that pied and white are alleles, which means they both are located on exactly the same spot on the same chromosome. This means a bird can only be: pure for white, have one white one pied(that's the pied with patches of white, the same reason they cannot breed true) or pure for pied- which are usually all colored, except for some white on the flights, chin, perhaps an odd small spot on top of head or a very few white feathers somewhere else on body. If this is really true, it also means a white *cannot* be split for pied. So with that I don't know what or why whites out of silver pieds are somehow genetically different from other whites. I do know from personal experience that a regular white or a white out of white eyeds will not produce silver pieds when bred with a silver pied.. I have a suspicion that silver pieds probably/may have a different/new mutation unique to them due to this plus it could explain why whites out silver pieds are 'somehow genetically different'.
I REALLY would love comments from anybody who bred either a white out of silver pieds to a regular pied(no silver pied in background) or bred a silver pied to a regular pied(again no silver pied in background). Would like to know what sort of pied these crosses produced.