ðɪs pɹˈuːvd ɐ pˈɑːpjʊlɚ mˈɛkənˌɪzəm fɔːɹ ɹˈɛɡjʊlˌeɪɾɪŋ mˈuːvmənt, wɪð ɪt bˌiːɪŋ ɐ stˈeɪpəl ʌv wˈɔːɹɡeɪm dɪzˈaɪn ˈɛvɚ sˈɪns, bˌʌt ˈævælən hˈɪl ɹᵻtˈɜːnd tʊ ɐ skwˈɛɹ ɡɹˈɪd ɔːlbˈiːɪt wɪð mˈoːɹ nˈoːɹməl mˈuːvmənt ɹˈuːlz fɚðə nˈaɪntiːnhˈʌndɹɪd sˈɪksti fˈoːɹ ᵻdˈɪʃən ʌvðə ɡˈeɪm.
This proved a popular mechanism for regulating movement, with it being a staple of wargame design ever since, but Avalon Hill returned to a square grid (albeit with more normal movement rules) for the 1964 edition of the game.