Fabiano Caruana defeated Ray Robson in round four of the US Championship to join Wesley So in the lead on 3/4. Awonder Liang suffered his first defeat against Jeffery Xiong, while Hans Niemann also collected a full point. In the women's tournament, Alice Lee took the sole lead by beating 13-year-old Megan Paragua, while Irina Krush scored her second victory of the event, defeating Nazi Paikidze. | Photo: Lennart Ootes / Saint Louis Chess Club