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HandWiki. Rock–Paper–Scissors. Encyclopedia. Available online: https://encyclopedia.pub/entry/31243 (accessed on 26 September 2026).
HandWiki. Rock–Paper–Scissors. Encyclopedia. Available at: https://encyclopedia.pub/entry/31243. Accessed September 26, 2026.
HandWiki. "Rock–Paper–Scissors" Encyclopedia, https://encyclopedia.pub/entry/31243 (accessed September 26, 2026).
HandWiki. (2022, October 25). Rock–Paper–Scissors. In Encyclopedia. https://encyclopedia.pub/entry/31243
HandWiki. "Rock–Paper–Scissors." Encyclopedia. Web. 25 October, 2022.
Rock–Paper–Scissors
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The content is sourced from: https://handwiki.org/wiki/Rock%E2%80%93paper%E2%80%93scissors

Rock–paper–scissors (also known as paper-scissors-rock or other variants) is a hand game usually played between two people, in which each player simultaneously forms one of three shapes with an outstretched hand. These shapes are "rock" (a closed fist), "paper" (a flat hand), and "scissors" (a fist with the index finger and middle finger extended, forming a V). "Scissors" is identical to the two-fingered V sign (also indicating "victory" or "peace") except that it is pointed horizontally instead of being held upright in the air. A simultaneous, zero-sum game, it has only two possible outcomes: a draw, or a win for one player and a loss for the other. A player who decides to play rock will beat another player who has chosen scissors ("rock crushes scissors" or sometimes "blunts scissors"), but will lose to one who has played paper ("paper covers rock"); a play of paper will lose to a play of scissors ("scissors cuts paper"). If both players choose the same shape, the game is tied and is usually immediately replayed to break the tie. The type of game originated in China and spread with increased contact with East Asia, while developing different variants in signs over time. Other names for the game in the English-speaking world include roshambo and other orderings of the three items, with "rock" sometimes being called "stone". Rock–paper–scissors is often used as a fair choosing method between two people, similar to coin flipping, drawing straws, or throwing dice in order to settle a dispute or make an unbiased group decision. Unlike truly random selection methods, however, rock–paper–scissors can be played with a degree of skill by recognizing and exploiting non-random behavior in opponents.

rock–paper–scissors random selection paper-scissors-rock

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