About two years ago, a teenager arrived at grandmaster Shyamsundar Mohanraj’s house for a routine one-to-one session. But in the span of a few hours, some things about the boy became apparent to Shyamsundar: he was one of the most positive-thinking players he had met, and he was a grinder on the board, looking to fight on even if chess theory suggested that the game was destined to end in a draw. About two years after Shyamsundar became that teenager’s full-time coach, that boy, Srihari LR, assured himself the grandmaster title with an incredible performance at the Asian Individual Men’s Chess Championship, which ended on Thursday at Al-Ain in the UAE. The Chennai-based Srihari, thus, becomes the country’s 86 grandmaster. All top chess players have ingredients that helped them zoom to the top. The biggest attributes that have helped Srihari get to the GM title, his coach says, are his confidence and his ability to draw water from stone by grinding it out on the board until the opponent errs. These attributes were apparent from …