Las Vegas, July 16 -- The fourth leg of the Freestyle Grand Slam Tour kicked off in Las Vegas today, featuring a stellar 16-player lineup, including three of India's brightest chess stars - R Praggnanandhaa, Arjun Erigaisi, and Vidit Gujrathi - who are set to clash with world champions Magnus Carlsen, Hikaru Nakamura, and Fabiano Caruana. In a major first, the tournament has expanded to include 16 players and sees the debut of a woman competitor, Grandmaster Bibisara Assaubayeva of Kazakhstan, a two-time World Blitz Women's Champion. The event, which runs till July 20, follows a unique round-robin-cum-knockout format with rapid time controls of 10 minutes plus 10 seconds increment in the initial phase. The participants are split into two gr...