Kolkata: Swiss Grandmaster Alexandra Kosteniuk during her match against Indian International Master Vantika Agrawal on the Day 1 of the Tata Steel Chess India Rapid 2024, in Kolkata. (PTI Photo/Swapan Mahapatra) PUNE: Former women’s world champion Alexandra Kosteniuk believes the rise of rapid and blitz chess has not diminished the virtues of the classical game, […]