The Saint Louis Chess Club, headed by Rex Sinquefield, has done a lot for chess in the United States, and they continue to organize top tournaments. Beginning Wednesday, the club will host the national championships. With players such as Caruana, So, Dominguez, Shankland, Xiong, Krush and Yip, both tournaments are strongly contested, though Hikaru Nakamura is missing from the lineup. | Photo: Crystal Fuller