The Olympic Charter states
41 Nationality of competitors *
- Any competitor in the Olympic Games must be a national of the country of the NOC which is entering such competitor.
- All matters relating to the determination of the country which a competitor may represent in the Olympic Games shall be resolved by the IOC Executive Board.
Given that if athletes hold dual citizenship, they have the ability to compete for either nation. Has there been an instance of athletes who have competed for different countries during their career? (Excluding those who competed as Independent Athletes)