PYEONGCHANG-GUN, SOUTH KOREA - FEBRUARY 18:  Tkachenko Sergey of Kazakhstan makes a jump during the Ski Jumping - Men's Large Hill on day nine of the PyeongChang 2018 Winter Olympic Games at Alpensia Ski Jumping Center on February 18, 2018 in Pyeongchang-gun, South Korea.  (Photo by Amin Mohammad Jamali/Getty Images)