What can I expect?

[Marinea]

My old mind freezes when I try to understand color genetics, so I am turning to y'all for help. I have a chin colored doe I would love to keep, but not if I am looking at mostly black kits. So...

Grandparents: Chestnut and broken black
Red and red

Dam: chinchilla

Sire: red

Kits: ??

Thanks in advance.

 

[SableSteel]

She carries non extension, so theres a good chance of getting colors like orange and frosty/ermine. Blacks aren't as likely, theres a 50% she can produce them, and even then it would be a 50% chance that she gave the black gene, so not more than a 50% chance max even when bred to a black