Vietnam's top chess player, Le Quang Liem, won his first match at the World Chess Cup 2011 in Khanty Mansiysk, Russia, on Aug. 28.
Liem, who has an Elo rating of 2,715, defeated Susanto Megaranto of Indonesia, who has an Elo rating of 2,544, in just 58 moves.
Meanwhile, Nguyen Ngoc Truong Son, (Elo 2,637) drew with China's Li Chao (Elo 2,669).
No 1 seed Sergey Karjakin of Russia beat bottom-ranked player Meidi Kaabi of Turmenistan.
In other games, No 4 seed Ponomariov of Ukraine crushed 125th-ranked Robert Gwaze of Zimbabwe; while Hungary's Udit Polga, seeded 33, defeated Fidel Corrales Jimenez of Cuba, seeded 99.
Alexander Ivanov, from the US, who has an Elo rating of 2,538 and is seeded 117, got a bye through to the next round when Hao Wang (Elo 2,718), the 17th seed from China, withdrew at the last minute.
Similarly, India's Parimarjan Negi, seeded 71, got a bye to the next round when No 58 seed Vladimir Akopian of Armenia withdrew./.