ðə ɹˈʌnbæk ɪz ðə mˈoʊst ɹˈɛɹ ʌvðə kənvˈɜːʒən ɹˈuːlz, ænd ɪz mˈoʊst ˈɔfən ˈɪmplɪməntᵻd ɪn wˈʌnˌɔnwˈʌn ɡˈeɪmz.
The runback is the most rare of the conversion rules, and is most often implemented in one-on-one games.