 At <unk> a combined force of Russian and Austrian troops trapped a French division commanded by <unk> <unk> <unk> . The French division was part of the newly created VIII Corps , the so @-@ called Corps <unk> , under command of <unk> <unk> . In pursuing the Austrian retreat from <unk> , <unk> had over @-@ extended his three divisions along the north bank of the <unk> . Mikhail <unk> <unk> , commander of the Coalition force , <unk> <unk> to send <unk> 's division into a trap and French troops were caught in a valley between two Russian columns . They were rescued by the timely arrival of a second division , under command of Pierre <unk> de l <unk> . The battle extended well into the night . Both sides claimed victory . The French lost more than a third of their participants , and <unk> 's division experienced over 40 percent losses . The Austrians and Russians also had heavy <unk> to 16 <unk> perhaps the most significant was the death in action of Johann Heinrich von <unk> , one of Austria 's most capable chiefs of staff . 
