if (bonus && bit_is_set(ei.attackedBy[Us][PAWN], s))
{
if ( pos.pieces(KNIGHT, Them) == EmptyBoardBB
- && (SquaresByColorBB[square_color(s)] & pos.pieces(BISHOP, Them)) == EmptyBoardBB)
+ && (SquaresByColorBB[color_of(s)] & pos.pieces(BISHOP, Them)) == EmptyBoardBB)
bonus += bonus + bonus / 2;
else
bonus += bonus / 2;