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.
RoShamBo is the game of Rock-Paper-Scissors, the classic simultaneous decision game. Face to face, players count to three, then simultaneously display either a fist for rock, open hand for paper, or two fingers for scissors. Scissors defeats paper which defeats rock which defeats scissors.
1620 Spruce SEGA RoShamBo Tournament
Results of a competition for a game console.
Janken in the World
Scissors, paper, stone games as played in different cultures.
The Official Rock Paper Scissors Strategy Guide
Strategy and game news from the World RPS Society.
Professional Rock Paper Scissors
Details strategy and statistics for the game of RPS, including an original match format.
Phil Price does a bit of research on the game's origins.
Rock, Scissors, Paper Plus
Rules to add Bomb, Bird, Water, Chopper hand forms.
Rock-Paper-Scissors Button Game
Rules for a party game, moving the arena of combat from gestures to wearable buttons.
A variation with five options instead of the traditional three.
RoShamBo (aka Rock Paper Scissors) with Christmas Lights
Humorous results of a Roshambo contest between brothers using Christmas lights captured by a webcam.
USA Rock Paper Scissors League
Professional tournaments sponsored by Bud Light, with national finals in Las Vegas. News, rules, history of the game, and humor.
Wikipedia: Rock, Paper, Scissors
An article explaining the rules, variations, strategies, and lists recently played tournaments.
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.
Online discussion of the Roshambo programming competition. (June 19, 2000)
Last update:August 5, 2015 at 9:15:10 UTC