In the movie The 300, a small Spartan contingent successfully battle an army of 90 000 Persian warriors by choosing to meet them in a narrow gorge where the Persions cannot use their number to their advantage. This is modelled so that the Persians hava a camp C which continually replenishes the battlefront, P where a maximum of 1000 soldiers battle the Spartans S. A student report can be found at https://www.dropbox.com/s/5bdvp58ufzmhn87/Thermopyle.pdf?dl=0