competition with Preliminary Qualifying contests that started in January 2007 and ended in May 2008, followed by regional finals in June and July 2008. The national finals were to be held in Des Moines, Iowa, in August 2008, with a chance to win up to $5,000. Guinness Book of World Records The largest rock paper scissors tournament hosted 2,950 players and was achieved by Oomba, Inc. (USA) at Gen Con 2014 in Indianapolis, Indiana, United States, on 17 August 2014. World Series Former Celebrity Poker Showdown host and USARPS Head Referee Phil Gordon has hosted an annual $500 World Series of Rock Paper Scissors event in conjunction with the World Series of Poker since 2005. The winner of the WSORPS receives an entry into the WSOP Main Event. The event is an annual fundraiser for the "Cancer Research and Prevention Foundation" via Gordon's charity Bad Beat on Cancer. Poker player Annie Duke won the Second Annual World Series of Rock Paper Scissors. The tournament is taped by ESPN and highlights are covered during "The Nuts" section of ESPN's annual WSOP broadcast. 2009 was the fifth year of the tournament. Jackpot En Poy of Eat Bulaga! Jackpot En Poy is a game segment on the Philippines' longest running noontime variety show, Eat Bulaga!. The game is based on the classic children's game rock paper scissors (Jak-en-poy in Filipino, derived from the Japanese Jan-ken-pon) where four players are paired to compete in the three-round segment. In the first round, the first pair plays against each other until one player wins three times. The next pair then plays against each other in the second round. The winners from the first two rounds then compete against each other to finally determine the ultimate winner. The winner of the game then moves on to the final round. In the final round, the player is presented with several Dabarkads, each holding different amounts of cash prize. The player will then pick three Dabarkads who he or she will play rock paper scissors against. The player plays against them one at a time. If the player wins against any of the Eat Bulaga! hosts, he or she will win the cash prize. See also Chopsticks (hand game) Matching pennies, the binary equivalent Morra (game), another hand game for deciding trivial matters Intransitive dice Rock paper scissors and human social cyclic behavior Simultaneous action selection Mixed strategy References