Ku qor sii wadida cutubkan - 1976, Wong oo 16 jir ah ayaa ku guuleystay Horyaalka Chess-ka ee Jamaica wuxuuna noqday Master-ka ugu da'da yar dalka. Isla sanadkaas wuxuu matalayay Jamaica tartanka Kooxda Ardayda Adduunka ee Caracas, isagoo dhaliyay 31⁄2/8. Dabayaaqadii 1976 iyo horraantii 1977 wuxuu u ciyaaray Jamaica tartanka adduunka ee Junior Chess ee Groningen, halkaas oo lagu abaalmariyay abaalmarin heer sare ah guushii uu ka gaadhay horyaalkii reer Israel ee Nir Grinberg. Ka dib markii uu ku guuleystay seddexdii kulan ee ugu horreeyay si uu u hoggaamiyo tartanka, wuxuu la kulmay shan guuldaro oo isku xigta, ugu dambeyntiina wuxuu ku dhammaaday 51⁄2/13. Wuxuu mar kale ku guuleystay horyaalnimada Jamaica 1977, wuxuuna Jamaica u matalayay labadaba Kooxda Kooxda Kooxda ee Kooxda Ardayda ee Mexico City, halkaas oo uu ka dhaliyay 7/13, iyo Olombikada Chess Olympiad ee 1978
Buenos Aires, halkaas oo uu ka helay 7 1⁄2/14.