This is usually played multiple times to allow strategy to come into it. Even though a completely random choice is no less likely to win against any strategy, it is also no more likely to win, while a better strategy will defeat a worse strategy.

RESULTS

RoShamBo Programming Competition Write a program to play Rock-Paper-Scissors, and enter it to play in an open competition against other programs. http://www.cs.ualberta.ca/~darse/rsbpc.html The Official Rock Paper Scissors Strategy Guide Strategy and game news from the World RPS Society. http://www.worldrps.com/ 1620 Spruce SEGA RoShamBo Tournament Results of a competition for a game console. http://www.sniff.org/sega.html Worship of Roshambo Zeigen's extensive archive includes a FAQ, personality classification and humor articles, an online game and large links list. http://www.emf.net/~estephen/roshambo/ Slashdot | Rock-Paper-Scissors Online discussion of the Roshambo programming competition. http://slashdot.org/articles/00/06/19/0037233.shtml MindZine: Second International Roshambo Programming Contest The Roshambo Challenge Rides Again, Mind Sports Organization article. http://www.msoworld.com/mindzine/news/miscellany/roshambo.html Mating Games and Lizards Ivars Peterson's MathLand describes the game parallel in the mating ritual of the California side blotched lizard. http://www.maa.org/mathland/mathland_4_15.html Janken in the World Scissors, paper, stone games as played in different cultures. http://www.netlaputa.ne.jp/~tokyo3/e/janken_e.html Rock-Paper-Scissors-Spock-Lizard A variation with five options instead of the traditional three. http://www.samkass.com/theories/RPSSL.html WWWF Grudge Match: Rock vs. Paper vs. Scissors Humorous article on the three-way conflict, with comments from those who voted for their favorite weapon. http://www.grudge-match.com/History/rock-paper-scissors.shtml Rock, Scissors, Paper Plus Rules to add Bomb, Bird, Water, Chopper hand forms. http://www.gogomag.com/rsp/ Rock-Paper-Scissors Button Game Rules for a party game, moving the arena of combat from gestures to wearable buttons. http://www.ee0r.com/games/rpsbuttons.html Rochambeau Phil Price does a bit of research on the game's origins. http://www.creekcats.com/pnprice/rocham.html Kids' Game Goes E-Mail Short PCWorld article on email and online versions. http://www.pcworld.com/news/article/0,aid,17075,00.asp Rock Paper Scissors International Championships Offers information about the event, including registration, media interests, and past events. http://www.rpschamps.com/ Roshambo Rampage Play by email with your chosen opponent. http://www.brunching.com/toys/toy-psr.html RoShamBo (aka Rock Paper Scissors) with Christmas Lights Humorous results of a Roshambo contest between brothers using Christmas lights captured by a webcam. http://www.komar.org/xmas/2002/cool_pics/rock_paper_scissors/