Wesley So defeated Ray Robson in round seven of the US Championship to take the sole lead on 5/7, half a point ahead of Fabiano Caruana and Andy Woodward. Awonder Liang suffered his second defeat, as he lost to Grigoriy Oparin. In the women's tournament, Alice Lee and Rachael Li share first place on 5½/7, followed closely by Irina Krush, while Thalia Cervantes suffered her first defeat of the event, against Anna Sargsyan. | Photo: Lennart Ootes / Saint Louis Chess Club

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