Garry Kasparov and Veselin Topalov will meet in Saint Louis from 11 to 13 September for Clutch Chess: The Legends. The two former members of the sport's elite will contest a 12-game chess960 match, with the value of wins increasing on each successive day. The encounter follows Kasparov's 2025 victory over Viswanathan Anand and revisits a rivalry that also featured a chess960 match in Saint Louis in 2018.