On a day when he achieved his greatest result on the chess board, Diptayan Ghosh looks back at the two years he lost during the prime of his career with a hint of regret. The year was 2021 when Ghosh emerged from the Delhi School of Economics with a degree and a job at a corporate bank in Mumbai. But taking the job meant Ghosh’s chess career took a backseat. With COVID having reduced the number of tournaments to a trickle, and with no sponsors to back his ambitions, Ghosh decided to put his once-promising career on hold and become a corporate employee. It was a gig that lasted two years before Ghosh quit his job to play chess again. Story continues below this ad “I was just bored (working at the corporate role),” Ghosh said with a grin when he looked back at those years in Mumbai on the day he sent home two-time world championship contender Ian Nepomniachtchi in the second round of the FIDE World Cup, the biggest upset of the tournament …