World Series of Poker (WSOP) Main Event Winners from to nowadays. Find out who won the Main Event of the World Series of Poker, from the first game to recent winners. These are the world champions of poker. At the end of a grueling eight-hour heads up match, Qui Nguyen has written his name into poker's history books. Nguyen won the WSOP Main Event. All of the Main Events that proceeded the event were played completely at the Rio. Click the banner below for more information. This victory is considered the origin of the poker saying, "A chip and a chair. Caesars Entertainment Corporation is the world's most geographically diversified casino-entertainment company. There were seven entrants and the champion was elected by vote. Part 4, "The Golden Touch " ".