Useful Tips

How to always win at - Stone, scissors, paper

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The secret to this success lies in a specialized tracking system for the human hand, consisting of a high-speed video camera and a manipulator that acts as a robot arm. A digital camera takes pictures of the human hand every thousandth of a second and quickly analyzes its smallest movements. Based on the analysis, the processor is able to predict in advance what kind of gesture a person will show and get ahead of it by instructing the manipulator to show the desired “figure”. The whole process, from analyzing the image to giving the robot a correct gesture, takes no more than 1 millisecond.

Of course, from a mathematical point of view, the probability of winning a person and a robot is 1: 3, but in fact the robot is much ahead of a person and always wins, adjusting his answer to the gesture of a human hand. As a result, a person does not even notice the catch. The robot acts so fast that it creates the illusion of synchronized action, that the robot plays by the rules, and that it is constantly lucky. Attempts to deceive the mechanism, changing halfway one character to another, do not lead to anything - Janken timely calculates this cunning of the enemy and issues his character.

Visitors to the exhibition, who first saw the robot and got acquainted with its capabilities, often wondered: who will win this game if two robots compete? In fact, no one would have won. Since the movement of the manipulator arm begins only after analyzing the movement of the opponent’s arm, both robots will simply wait for each other.

The goal of this project is a practical demonstration of the capabilities of innovative technologies, including those related to human-machine cooperation. Programmers also showed that modern robotic mechanisms are able to work in groups, constantly monitoring the work of other machines and people. At the same time, robots can be completely autonomous, have no communication channels with each other, have excellent observation and quick response.

If you lost in the last game (and the opponent is aware of this technique) ...

  • ... throwing a stone, go to the paper in the next battle
  • ... throwing the scissors, go to the stone in the next battle
  • ... throwing out the paper, go to the scissors in the next fight

You can learn more about the research methodology in the detailed report provided by Chinese scientists to the public. Of course, it is designed in English and contains layouts and formulas, obscure to people far from mathematics.

And in conclusion, I add that the blame for the lost cars, houses and wives in “rock, scissors, paper”, first of all, should be blamed on your excitement, and not Chinese minds and the author of these lines.

Have you tried these tips in practice? Maybe in your life there are interesting stories related to this game? Share in the comments.

Story

The players count together “Rock ... Scissors ... Paper ... One ... Two ... Three," while shaking their fists. There are other account options, the prevalence of which varies in different cities and regions, for example, “Tsu-e-fa”, “Bu-ce-fa”, “Al ... man ... juz!” And others. At the expense of “Three” they at the same time they show with the help of one of three signs: stone, scissors or paper.

The signs are shown in the picture.

The winner is determined by the following rules:

  • Paper conquers stone (“paper covers the stone” or “stone sinks, no paper”).
  • The stone defeats the scissors ("the stone blunts or breaks the scissors").
  • Scissors beat paper (“scissors cut the paper”).

If the players showed the same sign, then a tie is counted and the game is replayed.

In the classic version, the game is played together, but it is possible to play more participants. In this case, a tie is counted in a situation where all three gestures appeared in the company of players (this is sometimes called “porridge”).

A common rule is that according to the first move all players show scissors. If someone, out of ignorance or mistake, showed a different sign with the first move, the game is considered to have failed and is replayed. To avoid such situations, before the start of the game, one of the players aloud says: “The first are scissors!”. Thus, in fact, only the second and subsequent moves affect the result of the game, the first is symbolic source not specified 31 days .

History edit |Short story

The game originated in China in the 2nd century BC. From there the words “Tsu, E, Fa” appeared, which means “please start” in Chinese. From Asia, the game came to Europe and gained popularity in the 1920s, spreading around the world.

“Stone, scissors, paper” is a popular hand game, known in many countries of the world. It is often used as a draw technique to select a person for any purpose (along with throwing coins, pulling straws, etc.).

Players count together out loud “Rock ... Scissors ... Paper ... One ... Two ... Three" or "Tsu, E, Fa", while shaking their fists. At the expense of “Three”, they simultaneously show with their hands one of the three signs: stone, scissors or paper.

The signs are shown in the picture.

The winner is determined by the following rules:

  • The stone defeats the scissors (“the stone blunts or breaks the scissors”).
  • Paper conquers stone (“paper covers stone”).
  • Scissors beat paper (“scissors cut the paper”).

If the players showed the same sign, then a tie is counted and the game is replayed.

In the classic version, the game is played together, but it is possible to play more participants. In this case, a tie is counted in a situation when all three gestures appeared in the company of players (this is sometimes called “porridge”).

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