NEW dELHI, Aug. 29 -- Grandmaster (GM) R Praggnanandhaa became the first Indian to win the coveted Grand Chess Tour after defeating the US's Fabiano Caruana in a come-from-behind effort. Praggnanandhaa lost the first Classical game and drew the second, trailing Caruana 3-9 going into Thursday. He then won both Rapid games to take a 11-9 lead. The players scored equal points in the Blitz section and Praggnanandhaa won the final 15-13. P13...