The World Junior Championships will take place from September 21 to October 1 at the Hotel del Prado in Mexico City. Two US representatives, Hans Niemann and Carissa Yip, are the top seeds in the open and the women’s section, respectively. The event is an 11-round Swiss Open. Former champions of the prestigious under-20 championships include Levon Aronian, Shakhriyar Mamedyarov and Humpy Koneru (women’s). | Photo: FIDE / Niki Riga