Devik wrote: -snip-
So now maybe someone has any idea what such horse coats are called? :D
-snip-

Base colour: Bay
Pattern: Tobiano, maybe also Roan?
Dilutions: Cream

Base colour: Most likely sorrel/chestnut
Pattern: Tobiano. Again, the darker head combined with the lighter body has similarities to Roan.

Base colour: Black
Pattern: Most likely be a "maximum" Tobiano from my experience.
Guessed by the lighter spot at the belly, there could again Roan be involved.

Base colour: Sorrel/ Chestnut
Pattern: (Frame) Overo
Dilution: Pearl or Champagne (for Cream, the tail and forelock look too dark)

Base colour: Black
Pattern: Blanked with Spots (Part of the Leopard-Complex; genetic code is LP/lp + Patn2/n or Patn2/Patn2)
I am not an expert, just playing a game for years now that involves a lot of horse genetic :D