- || bit_is_set(RookPseudoAttacks[ksq], from)
- || bit_is_set(BishopPseudoAttacks[ksq], from))
-
- find_hidden_checks(them, Pinned | DcCandidates);
- else
- find_hidden_checks(them, Pinned);
+ || (bit_is_set(RookPseudoAttacks[ksq], from) && (rooks_and_queens(them) & RookPseudoAttacks[ksq]))
+ || (bit_is_set(BishopPseudoAttacks[ksq], from) && (bishops_and_queens(them) & BishopPseudoAttacks[ksq])))
+ find_hidden_checks(them, DcCandidates);