 Even though his military career begun almost as an afterthought , or by accident , Zamoyski is also remembered as one of the most accomplished Polish military commanders . In his tactics , he favored sieges , flanking maneuvers , conserving his forces , and the new Western art of fortification and artillery . The war with Muscovy shown him to be a skilled commander in sieges , and latter events would prove him to be an equally able leader in the open field . 
