DAEGU, SOUTH KOREA - AUGUST 30:  Tatyana Chernova (L) of Russia celebrates claiming gold in the women's heptathlon as Jessica Ennis of Great Britain shows her dejection during day four of the 13th IAAF World Athletics Championships at the Daegu Stadium on August 30, 2011 in Daegu, South Korea.  (Photo by Mark Dadswell/Getty Images)