I don’t know bout no “winner winner chicken dinner”
I’m just not seeing ‘this’
Pics of chestnut below
Man that is some pretty stuff. That’s POST blight lumber. Fairly heavy stuff in comparison to softer woods.
I think the OP mentioned the beam he had didn’t feel to dense. And from the sawed picture, I am gonna go with a softer, moisture-bug resistant wood like a cedar or Cyprus too.