ðɪs ɪz ɐn ɪmpɹˈuːvmənt ˌoʊvɚ ðɪ ɚɹˈɪdʒɪnəl kɹaɪtˈiəɹɪən, wˌɪtʃ ɹᵻkwˈaɪɚz kəmpˈæɹɪsən ʌvðə bˈɛst pˈɑːsᵻbəl ðæt ˈɪz, ðə smˈɔːlɪst ˈɛnɚdʒi kˌɑːntɹɪbjˈuːʃən fɹʌm wɪððə wˈɜːst pˈɑːsᵻbəl kˌɑːntɹɪbjˈuːʃən fɹʌm ɐn ɔːltˈɜːnətˌɪv ɹˈoʊɾeɪmɚ.
This is an improvement over the original criterion, which requires comparison of the best possible (that is, the smallest) energy contribution from  with the worst possible contribution from an alternative rotamer.