mˈɑːɹk ˈɪzɹeɪlˌɛvɪtʃ dˈiːvoːɹˈɛtski; dᵻsˈɛmbɚ nˈaɪn, nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi sˈɛvən sɛptˈɛmbɚ twˈɛnti sˈɪks, tˈuː θˈaʊzənd sˈɪkstiːn wʌzɐ ɹˈʌʃən tʃˈɛs tɹˈeɪnɚ, ɹˈaɪɾɚ, ænd ˌɪntɚnˈæʃənəl mˈæstɚ.
Mark Izrailevich Dvoretsky (; December 9, 1947 – September 26, 2016) was a Russian chess trainer, writer, and International Master.