Women's world chess champion Kosteniuk of Russia plays an exhibition game against Peru's U-16 world champion...
Women's world chess champion Alexandra Kosteniuk of Russia (R) plays an exhibition game against Peru's U-16 world champion Deysi Cori in the Inca citadel of Machu Picchu in Cuzco May 23, 2010. REUTERS/Enrique Castro-Mendivil (PERU - Tags: SPORT CHESS TRAVEL)