A time lapse video from the US Chess Championship featuring New York's Gata Kamsky vs Hikaru Nakamura.

Jennifer Shahade and Macauley Peterson review the fifth round of the US Chess Championship at the Chess Club and Scholastic Center of Saint Louis.

St. Louis, MO, May 12, 2009 -- Defending champion Yury Shulman, of Barrington, Ill., and Varuzhan Akobian, of North Hollywood, Calif., broke from the pack to take the joint lead of the 2009 U.S. Chess Championship at the Chess Club and Scholastic Center of Saint Louis.

When reusing images please credit: Betsy Dynako, Official Event Photographer