Historically, Russian athletes have been one of the most successful contenders in the Olympic Games, ranking second in an all-time Olympic Games medal count. Russia is the leading nation in rhythmic gymnastics; and Russian synchronized swimming is considered to be the world's best. Figure skating is another popular sport in Russia, especially pair skating and ice dancing. Russia has produced numerous prominent tennis players. Chess is also a widely popular pastime in the nation, with many of the world's top chess players being Russian for decades. The 1980 Summer Olympic Games were held in Moscow, and the 2014 Winter Olympics and the 2014 Winter Paralympics were hosted in Sochi.