You may not be a sports fan, and chances are you are too young to know the intriguing story that is attached below, which has been adapted for a Russian movie now playing in China Mainland.  Well, it is okay, because the article will give you a vivid description in restoring that highly controversial championship game between the US and Soviet Union in 1972 Olympic, Munich. 

https://user.guancha.cn/main/content?id=131279

PS In that era of Cold War, almost all of international things would have associated with politics.  You know what?  ROC basketball team once attained 5th place in a world championship during 50s, and beat Soviet Union 2-0.  How did ROC team perform so brilliantly?  Simply because Soviet refused to play with the team of ROC, which it did not recognize as the one representing China.