In the run-up to the 44th Chess Olympiad, which kicks off on Thursday in Mamallapuram, Tamil Nadu unveiled the official logo and mascot — a chess knight called Thambi. Business Standard jogs your memory back to some of India’s popular sports mascots.Young Brother making grand moves?Thambi, or younger brother in Tamil, is a chess knight wearing a shirt and veshti. Thambi looks less like a chess player, and more like a brawler out of the Kamal Haasan-starrer Vikram. Standing upright with crossed muscular arms, the knight looks ready for a throwdown on the chequered battlefield.While comparisons are also being made with the state’s Chief Minister M K Stalin, who is similarly clad in a shirt and white veshti and is the “younger brother” in the DMK family, the dress and the name are too common in the state to pin down to an individual. It can also