This is a derived list from our general calculations:
https://www.chess.com/forum/view/chess960-chess-variants/list-of-all-960-fischer-s-positions-evaluations-and-best-moves
I consider as refutable positions with |ev| >> 0.5.
(to be continued)
N.B. Well, something went wrong with my calculations and there are no refutable initial positions so far.
All right, we have our first candidate BBQRKRNN (#27 in the general list):
White knights represent the immediate threat to the black's kingside. So they are obliged to exchange their bishop on f3. Nevertheless, white has a significant advantage.
White threatens to make a mate in 3 knight moves :
in your last example, black can Castle on his second move
This is a derived list from our general calculations:
https://www.chess.com/forum/view/chess960-chess-variants/list-of-all-960-fischer-s-positions-evaluations-and-best-moves
I consider as refutable positions with |ev| >> 0.5.
(to be continued)