Vietnamese top seeded Nguyen Ngoc Truong Son has defeated his Uzbekistani rival Marat Dzhumaev to win the Kuala Lumpur Open Chess Championship 2009 in Malaysia.

Grandmaster Son took 7.5 points in total from nine games in the tournament, which took place from Sept. 3-8.

Meanwhile, his teammate Dao Thien Hai only ranked fourth with six points after losing to Indonesian grandmaster Susanto Megaranto.

The Kuala Lumpur event is an official tournament of the Asian Chess Federation that drew the participation of international grandmasters and players from eight countries./.