Indian chess found a literary and philosophical voice recently. Black & White catches up with Chennai-born engineer chess player-coach, and author, Naveen Karthikeyan. Zainab Raza Undulusi convinced the shy young man to step out of his shell for a bit.Title: 18x64 - Chess Class, Life Lessons with Bhagavad Gita shlokasAvailability: Amazon, Flipkart, Publisher website, author website, select brick 'n mortar bookstores (discount link at end of article)--"Sit anywhere and have whatever if you wish to," smiles the lanky author pointing to a tray of tea and coffee sachets as you enter his study.Part amused, part charmed you take off your mask and...