dᵻklˈɛɹd ɐ pɹˈɑːdɪdʒi baɪ ðɪ ˈeɪdʒ ʌv nˈaɪn, sˈuːn ˈæftɚwɚd hiː mˈænɪdʒd tə bˈiːt ɐ wˈɛlnˈoʊn tʃˈɛs mˈæstɚ dʒˈæn tˈɔːbənhˌaʊs.
Declared a prodigy by the age of nine, soon afterward he managed to beat a well-known chess master Jan Taubenhaus.