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His dam is a Freaky Friday, so she is homozygous DP; she is also heterozygous Ee, so she must have passed on her recessive extension.

His sire is a bay, and must carry at least heterozygous DP and have passed it on. He, too, is heterozygous Ee and passed on the recessive extension.

Both parents are homozygous Ssty, so the foal is also homozygous Ssty, making him qualify as Liver Chestnut.

The sire is an Autumn's Arrival perfect foundation and would paper C. The dam is a Freaky Friday perfect foundation and would paper yellow. This colt must have received breeding ability from the lower end of both parent's ranges of possible breeding ability contributions, so the Breeding Ability test must have found his ability significantly worse than the 100% of his parents.

Livers are sooty chestnuts with a copy of DP. They can be SstySstyDP, SSstyDPDP, or SstySstyDPDP.
Your horse is probably the first one.