Ku qor sii wadida cutubkan - Sannadkii 2004, Hoàng Xuân Thanh Khiết waxay ku guuleysatay billad qalin ah Horyaalka Shaakada Haweenka ee Vietnam, laakiin sannadkii 2005, waxay ku guuleysatay Horyaalka Shaakada Haweenka ee Vietnam. Sannadkii 2005, Hoàng Xuân Thanh Khiết wuxuu kaalinta 3aad ka galay tartanka Haweenka ee Horyaalka Kubadda Cagta Adduunka ee Aasiya wuxuuna xaq u yeeshay inuu kaqeyb galo Horyaalka Kubadda Cagta Haweenka Adduunka. Sanadkii 2006, Hoàng Xuân Thanh Khiết wuxuu ka qeybgalay Horyaalka Haweenka Adduunka ee Chess
waxa uu ku guuleystay knock out waxaana wareega koowaad kaga badiyay Xu Yuhua.