Chess Base

• Linares: China v. USA among quarterfinal pairings

  The preliminary stage of the Women's World Team Championship concluded on Thursday in Linares, with Russia and Georgia topping their respective groups and eight teams advancing to the knockout phase. The final round brought clear outcomes in both pools, alongside a few notable surprises, including India's qualification with a reserve lineup and Ukraine's early exit after two costly defeats. Several intriguing matchups now await in the quarterfinals, most notably China v. United States. | Pictured: Russian IM Polina Shuvalova | Photo: Pavel Dvorkovich

• US Chess Championships - Live!

  The 2025 US Chess Championships are taking place on 12-24 October at the Saint Louis Chess Club. Each tournament is a 12-player single round-robin with a classical time control. Fabiano Caruana, Wesley So and Hans Niemann are the highest-rated players in the open, while Carissa Yip, Alice Lee and Tatev Abrahamyan head the women's field. | Follow the action live starting at 19.00 CEST (13.00 ET, 22.30 IST)

• Chess Endgame Challenge

  Take a look at this position. In order to have any winning chances, White must clearly move his rook. There are nine squares it can safely occupy, but only one retains the win. Can you find it? Today we have four problems that will challenge your endgame skills. Try to solve them by moving pieces on our interactive diagrams. The video solutions will be provided in a week.