India's Vaishali defeated Belarus' Olga Badelka in the Four Knights Game of WGP Austria Round 6. Vaishali started dominating the game from move 16. Following a couple of moves, Badelka erred and taking advantage of the mistake, the 23-year-old Indian created pressure on her opponent. In the 39th move, Badelka capitulated and handed victory to Vaishali.