Perfect 10 (gymnastics) same competition, in the vault and floor exercise. Comăneci's coach, Béla Károlyi, having defected to the United States in 1981, subsequently coached Mary Lou Retton to gold at the 1984 Olympics in Los Angeles, where she scored 10s in the vault and floor exercise. The first man to score a perfect 10 in Olympic competition was the Russian Alexander Dityatin, who received the score in the vault on the way to a record-breaking eight medals in the 1980 Olympics in Moscow. Among other men to achieve the score was Comăneci's future husband, Bart Conner, who received two 10s in Los
Diving at the 2015 Pan American Games – Men's synchronized 10 metre platform in a single round of six dives. Seven judges evaluate each dive, giving the diver a score between 0 and 10 with increments of .5; scores below 7.0 or above 9.5 are rare. The two highest and two lowest scores from each judge are dropped. The remaining three scores are summed, and multiplied by the degree of difficulty of the dive to give the total score for the dive. Scores from each dive in the round are summed to give the round score. Diving at the 2015 Pan American Games – Men's synchronized 10 metre platform The men's synchronized 10