It is the old story: Friedrich, famine and mud and misery of Pandours compelling, has to retire northward, Elbe-ward, inch by inch; whither the Austrians follow at a safe distance, and, in spite of all manoeuvring, cannot be got to fight.
"Brave General Nassau, who much distinguishes himself in these businesses, has (though Friedrich does not yet know it) dexterously seized Kolin, westward in those Elbe parts,--ground that will be notable in years coming.

Important little feat of Nassau's; of which anon.

On the other hand, our Magazine at Pardubitz, eastward on the Elbe, is not out of danger: Pandours and regulars 2,000 and odd, 'sixty of the Pandour kind disguised as peasants leading hay-carts,' made an attempt there lately; but were detected by the vigilant Colonel, and blown to pieces, in the nick of time, some of them actually within the gate.
[ _OEuvres de Frederic,_ iii.

65.] Nay, a body of Austrian regulars were in full march for Kolin lately, intending to get hold of the Elbe itself at that point (midway between Prag and Pardubitz): but the prompt General Nassau, as we remarked, had struck in before them; and now holds Kolin;--though, for several days, Friedrich could not tell what had become of Nassau, owing to the swarms of Pandours.
"Friedrich, standing with his back to Prag, which is fifty miles from him, and rather in need of his support than able to give him any; and drawing his meal from the uncertain distance, with Pandours hovering round,--is in difficult case.

While old Traun is kept luminous as mid-day; the circumambient atmosphere of Pandours is tenebrific to Friedrich, keeps him in perpetual midnight.