Rubuta ci gaba don wannan sakin layi - A cikin 1976, Wong mai shekaru 16 ya lashe Gasar Chess ta Jamaica kuma ya zama mafi ƙanƙanta a ƙasar. A wannan shekarar ya wakilci Jamaica a Gasar Kowace Tawagar Dalibai ta Duniya a Caracas, inda ya ci 31⁄2/8. A ƙarshen 1976 da farkon 1977 ya buga wa Jamaica wasa a Gasar Cin Kofin Duniya ta Junior a Groningen, inda aka ba shi lambar yabo ta ban mamaki don nasarar da ya yi a kan gwarzon matasa na Isra'ila Nir Grinberg. Bayan ya lashe wasanninsa uku na farko don jagorantar gasar, ya sha wahala sau biyar a jere, a ƙarshe ya gama da 51⁄2/13. Ya sake lashe gasar zakarun Jamaica a shekarar 1977, kuma ya wakilci Jamaica a duka gasar zakarun duniya na ɗalibai a Mexico City, inda ya ci 7/13, da kuma gasar Olympiad ta Chess ta 1978.
a Buenos Aires, inda ya ci 71⁄2/14.