London [UK], October 12 (ANI): In two hard-fought, nerve-wracking games, Triveni stunned PBG with a 13-7 victory as Black in the first match and followed it up with a 9-7 win as White in the second. This victory earned Triveni the championship and the top prize of USD 500,000. Former Women’s World Champion Alexandra Kosteniuk emerged as the star performer of the day. Her victory over Tan Zhongyi in the decisive game of the second match denied PBG a chance at tiebreaks. For her remarkable performance, she was named Player of the Match. “Amazing how chess can be so exciting. I am very happy and …