 Initially Gazan made rapid progress , but he quickly recognized that the opposing force was much stronger than the typical rear guard of a retreating army . Realizing he had been duped and that Gazan 's troops were tiring rapidly , Mortier sent orders to Dupont 's division to hurry forward . By mid @-@ morning the French momentum had stalled ; Mortier committed most of his remaining forces to driving <unk> back , leaving a single <unk> 300 <unk> cover his northern flank , and sent the rest to attack the Russian right . Within 30 minutes he achieved the superiority of numbers he sought . His 4 @,@ 500 French opposed 2 @,@ 600 Russians and forced them back toward Stein while pressing an attack along the river . <unk> had no option , for neither <unk> 's nor <unk> 's flanking columns were to be seen . 
