Caruana Joins So in U.S. Open Lead

Overview

• Fabiano Caruana defeated Ray Robson in a long rook endgame on Monday to move to three points and tie Wesley So for the Open lead.
• IM Alice Lee beat FM Megan Paragua to reach 3.5/4 and take sole possession of first place in the U.S. Women's Championship.
• GMs Jeffery Xiong, Grigoriy Oparin, and Hans Niemann scored decisive wins in Round 4 that shuffled the mid‑table and created new contenders.
• Round 4 was notable for technical, endgame‑heavy play with multiple games exceeding 50 moves and conversions that hinged on rook endings and passed pawns.
• After the scheduled rest day, play resumes on Oct. 14 with key pairings — including Woodward–Caruana, So–Oparin and Liang–Shankland in the Open and Lee–Abrahamyan and Krush–Cervantes in the Women’s — under the tournament’s 90+30 incremental time control.