Wednesday, October 11, 2006

Anyone for a game of Rock Paper Scissors?

15 comments:

Steve House said...

kai bai bo. Thats how Koreans play rock paper scissors. (I only know that because I told some students off for not playing it in English)

Stephanie said...

I've never actually played. How does it work? I've been living under a massive cultural rock you see.

Christopher D. Bate said...

"Rock, Paper, Scissors, also known as Rochambeau and in Japan as Janken, is a hand game most often played by children. It was designed in Japan at the end of the nineteenth century and it was transmitted from Japan all over the world in the twentieth century. It is often used as a selection method in a similar way to coin flipping, Odd or Even, throwing dice or drawing straws to randomly select a person for some purpose, though unlike truly random selections it can be played with skill if the game extends over many sessions, because one can often recognize and exploit the non-random behavior of an opponent.

Various sports may use Rock, Paper, Scissors to determine which team gets the opening play (rather than a coin toss). Similarly, uncertain calls, or even the whole game in case of rain, may be decided by the game. It is also often used as a method for creating appropriately non-biased random results in live action role-playing games, as it requires no equipment.

Contents [hide]
1 Game play
2 Cheating
3 Variations
4 Mathematics and non-transitivity
5 Pop culture trivia
5.1 Federal case
5.2 Auction house RPS match
6 Evolutionary strategy
7 Tournaments
7.1 WRPS sanctioned tournaments
7.1.1 World Championship results since 2002
7.1.2 Tour events
7.2 USARPS Tournaments
8 RPS the Movie
9 RPS Radio
9.1 Programming competitions
10 References
10.1 Footnotes
11 External links



[edit]
Game play

Each of the three basic hand-signs ( from left to right: rock, paper and scissors ) beats one of the other two.
The players count together to 3 counts, most commonly either using the name of the game (e.g. Rock! Paper! Scissors! or Ro! Sham! Bo!) or simply numbers. At the end of the third count, the players simultaneously change their fists into any of three "objects", which they then "throw" by extending it towards their opponent:

Rock: represented by a closed fist with the thumb resting at least at the same height as the topmost finger of the hand. The thumb must not be concealed by the fingers. Note: To accommodate different throwing styles, it is considered legal for the first knuckle of the thumb to point downward.
Scissors : is delivered in the same manner as rock with the exception that the index and middle fingers are fully extended toward the opposing player. It is considered good form to angle the topmost finger upwards and the lower finger downwards in order to create a roughly 30–45 degree angle between the two digits and thus mimic a pair of scissors.
Paper: is also delivered in the same manner as rock with the exception that all fingers including the thumb are fully extended and horizontal with the points of the fingers facing the opposing player. Use of the "vertical paper" (sometimes referred to as "the handshake") is considered exceptionally bad form.
The objective is to defeat the opponent by selecting a weapon which defeats their choice under the following rules:

Rock smashes (or breaks or blunts) Scissors (rock wins)
Scissors cut Paper (scissors win)
Paper covers Rock (paper wins)
If both players choose the same weapon, the game is a tie and is played again.

In International competition, the weapon is thrown on the fourth count ("1 ... 2 ... 3 ... THROW"). This is called "International Style". In "American Style", the throw comes on the third count ("1 ... 2 ... THROW").

Typically, the game is played in a "best 2 out of 3" match.

[edit]
Cheating
Some information in this article or section has not been verified and may not be reliable.
Please check for any inaccuracies, and modify and cite sources as needed.
One of the first tricks learned by a Rock-Paper-Scissors novice is to hold back a throw of paper until the last possible moment to dupe an opponent into believing that one may actually be throwing a rock. Both paper and scissors have this ability; however, unless one is employing a "double-back" strategy, cloaking a paper throw is likely to draw an instinctive paper from one's opponent.

A common variation on the opening ritual is to have both players hold their hands behind their backs and reveal their already formed throw after the count of three. The intention is to prevent any sort of timing based cheating.

Another way to cheat is to prime three times instead, if the opponent primed twice only, the other could see his opponent's throw without revealing his own, claiming that he thought "I thought we are doing three primes". Note: 'priming' is the number of bounces one does before revealing the throw.

[edit]
Variations
Main article: Rock, Paper, Scissors variations
There are many different variations of Rock, Paper, Scissors which range from simple changes in the names of the objects to increasing the number of players or objects. While interesting, most rule variations suffer from one problem or another, making them less interesting games.

A simple American variation is Cowboy, Bear, Ninja (Cowboy beating Bear, Bear beating Ninja, Ninja beating Cowboy). This version is performed with the players starting standing back to back, taking three paces in opposite directions and then turning and revealing their choice. Versions of Rock, Paper, Scissors are also observed in many different cultures. It is usually known by direct translations of "Rock, Paper, Scissors" although some cultures have slightly different names or even entirely different elements representing the different objects. For example in Japan there is a variation which uses a tiger, a chief and the chief's mother as the three elements (the tiger beating the chief's mother, the chief beating the tiger and the chief's mother beating the chief). In Indonesia another version is played with the elements as an elephant, a man and an ant (the elephant crushing the man, the man crushing the ant and ant humorously defeating the elephant by crawling into the animal's ear and making it go insane).[1] The Chinese, not counting Taiwanese, and Koreans use Cloth along with Rock and Scissors, while the Japanese have adopted Paper. Minor variation is also observed in the standard game play.

When the game was made, the creator set the rules but one rule that was not passed on was that if one player has a score of zero and their opponent has more than one point then the player with zero will gain 2 points if they win the next round. It was excluded in the official rules since it was viewed as unfair."

Stephanie said...

I like the fact that paper beats rock. I'm in. :)

Devil Mood said...

OH...I was gonna say I'm in...but with all that "literature" I'm sudendly feeling very lazy...lol
I never played that before but I've seen enough films ...:)

Christopher D. Bate said...

I always give too much.

Mimey said...

One Two Three...

Anonymous said...

SCISSORS!



sometimes we use this game late at night to determine who has to get out of bed and turn the air down.

or clean the litterbox. it's great for EVERYTHING.

missy said...

Paper!

x said...

i play that with my son all the time. i am paper.

Gretta James said...

I can't believe some of these ppl haven't ever played.

I love this game

ROCK.

JM said...

Fun game when deciding to put anchovies on a pizza.

Louise said...

Did anyone else have the introduction of the BOMB option - fist with thumb extended? I believe scissors beat it as it chops off the fuse...

Admin said...

they actually had a rock paper scissors tournament at my university....omg...wtf. i walked by the tournament and laughed my ass off.

Anonymous said...

I choose The Rock.

With his arched eyebrow and withering good looks, he'll defeat paper and scissors anytime you like.

What?
Oh.
I see....

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