China's Yu Yangyi and Vietnam's Nguyen Thi Mai Hung won the men and women's titles at the International Chess Tournament HD Bank Cup 2011 in HCMC on Sunday.
Vietnam's top ranked players Le Quang Liem, ranked 44th in the world, and Nguyen Ngoc Truong Son could only earn fourth and fifth spots in the men's competition.
In the women's division, 17-year-old Hung beat bigger names to win the championship.
The title is expected to motivate her to work harder for the female international master (IM) title.
The 4-9 January event, affiliated to the World Chess Federation (FIDE), attracted 65 competitors from China, Thailand, Malaysia, Indonesia, Singapore, Ukraine, South Africa, the Philippines and hosts Vietnam.