My 1st attempt at farmhouse cheddar

[Sailor Con Queso]

The holes are a mechanical pressing problem. There are lots of discussions if you search the forum. Holes that are caused by gas are round like a soap bubble. Yours are irregular.

[wharris]

Looks good. (And tastey....)

Your cheese does not appear dry or crumbly..  That is great.
It looks like you're on your way, and I would not worry too much about the open curd..

[Ken]

Thanks Sailor and Wayne. not worried at all.