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===INTRODUCTION===
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The game of Hex was invented and popularized in Denmark by Piet Hein in 1942, and later independently rediscovered by John Nash in 1947. The game is attractive because it has extremely simple rules, yet a surprising amount of strategic depth. Another interesting aspect is that the game can't end in a tie.
Le jeu de Hex est un jeu de placement inventé indépendamment par deux mathématiciens, Piet Hein et John Nash, respectivement en 1942 et 1947. L’intérêt principal du jeu tiens a l'opposition entre la simplicité des règles et la complexité des stratégies mises en jeu. Qui plus est, le jeu ne peut finir en match nul, ce qui lui confère un autre aspect intéressant.
 
  
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== Rules ==
  
===OBJECTIF===
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=== Goal ===
Pour chacun des joueurs le but du jeu est de créer une ligne de pions de sa couleur reliant ses deux cotes du plateau (de sa propre couleur également).
 
  
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The board has two red edges and two blue edges. Each player's goal is to connect their two edges by stones of their color.
  
===OUVERTURE===
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=== Turns ===
Le premier joueur joue un premier pion sur n'importe quelle case du plateau. Le second joueur a alors le choix entre:
 
*continuer a jouer avec sa couleur sur n'importe quelle autre case du plateau;
 
*ou décider d’échanger sa couleur avec son adversaire et de prendre le premier pion placé pour lui. Dans ce cas le premier joueur prend le prochain tour.
 
  
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The players alternately place a stone of their own color on the board, with Red going first. A stone can be placed on any empty cell. Once placed, stones are never moved or removed.
  
===TOURS===
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=== The swap rule ===
Apres les deux premiers tours (voir OUVERTURE), chaque joueur joue un pion de sa couleur a son tour. Un pion peut-être placé sur n'importe quelle case libre du plateau.
 
  
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To make sure the first player does not have an unfair advantage, the swap rule is used. After the first player opens with a red stone, the second player has the option to "swap", or steal the opponent's first move. In this case, Red's initial stone is replaced by a blue stone and mirrored about the long diagonal. After this, it is Red's turn.
  
===FIN===
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=== Game end ===
Le jeu s’arrête lorsqu'un des joueur a créé une ligne continue antre ses deux cotes du plateau. Il ne peut y avoir d’égalité ou de jeu nul.
 
  
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The game ends when one of the players has connected their edges with a path of stones of their color. The game can't end in a tie. When it is clear to both players who will win, it is customary for the losing player to resign.
  
===VARIANTES===
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== Game options and interface ==
Le jeu peut se jouer sur différentes tailles de plateau. Le 6x6 est a réserver aux débutant et permet d'apprendre facilement les règles et de repérer les premiers "motifs" de jeu. Le 11x11 est une taille classiquement jouée. Le 14x14 est la taille recommandée par John Nash, un des inventeur du jeu, tandis que le 15x15 permet des parties plus longues et potentiellement plus stratégiques.
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=== Board size ===
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The game can be played on boards of several different sizes. The 6x6 board is designed to help beginners understand the basic rules and discover simple game patterns. The 11x11 board is a more classic size and was used by Piet Hein. The 13x13 board is preferred by many experts. The 14x14 board was recommended by John Nash, and the 15x15 board allows even longer plays.
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The 6x6 board size is only available in training mode.
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=== Moves and swapping ===
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To make a move, click on an empty cell. To guard against accidental misclicks, you have to confirm each move by clicking on the stone a second time (or use the "confirm" or "cancel" buttons above the play area).
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On the second move of the game, you have the option to swap. To do so, click on the "swap" button above the play area. If you do not want to swap, simply make a normal move.
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=== Resigning ===
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Players can resign at any time (whether or not it is their turn). The resign button is found in the "additional game controls" menu, which is marked by three dots "..." in the upper right corner of the play area.
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=== Passing ===
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Passing (i.e., skipping a move) is rarely done in Hex. The reason is that passing never benefits a player: if you can win by passing, you can also win by making a random move. Nevertheless, the ability to pass has been included in the Board Game Arena implementation of Hex. It has certain specialized uses, such as teaching, giving handicap (i.e., giving an advantage to the weaker player), or setting up an initial board position.
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The option to pass is found in the "additional game controls" menu, which is marked by three dots "..." in the upper right corner of the play area. If your opponent passes and you do not want to allow it for some reason, simply pass yourself, which effectively returns the game to its previous state. Three passes in a row are not permitted, so if both players have passed, the next player must make a proper move.
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=== Accessibility ===
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The shades of red and blue that Hex uses by default can be difficult to distinguish for colorblind people. To compensate for this, there is a game display option for color blindness in the Options menu below the game board.

Latest revision as of 04:51, 22 March 2022

The game of Hex was invented and popularized in Denmark by Piet Hein in 1942, and later independently rediscovered by John Nash in 1947. The game is attractive because it has extremely simple rules, yet a surprising amount of strategic depth. Another interesting aspect is that the game can't end in a tie.

Rules

Goal

The board has two red edges and two blue edges. Each player's goal is to connect their two edges by stones of their color.

Turns

The players alternately place a stone of their own color on the board, with Red going first. A stone can be placed on any empty cell. Once placed, stones are never moved or removed.

The swap rule

To make sure the first player does not have an unfair advantage, the swap rule is used. After the first player opens with a red stone, the second player has the option to "swap", or steal the opponent's first move. In this case, Red's initial stone is replaced by a blue stone and mirrored about the long diagonal. After this, it is Red's turn.

Game end

The game ends when one of the players has connected their edges with a path of stones of their color. The game can't end in a tie. When it is clear to both players who will win, it is customary for the losing player to resign.

Game options and interface

Board size

The game can be played on boards of several different sizes. The 6x6 board is designed to help beginners understand the basic rules and discover simple game patterns. The 11x11 board is a more classic size and was used by Piet Hein. The 13x13 board is preferred by many experts. The 14x14 board was recommended by John Nash, and the 15x15 board allows even longer plays.

The 6x6 board size is only available in training mode.

Moves and swapping

To make a move, click on an empty cell. To guard against accidental misclicks, you have to confirm each move by clicking on the stone a second time (or use the "confirm" or "cancel" buttons above the play area).

On the second move of the game, you have the option to swap. To do so, click on the "swap" button above the play area. If you do not want to swap, simply make a normal move.

Resigning

Players can resign at any time (whether or not it is their turn). The resign button is found in the "additional game controls" menu, which is marked by three dots "..." in the upper right corner of the play area.

Passing

Passing (i.e., skipping a move) is rarely done in Hex. The reason is that passing never benefits a player: if you can win by passing, you can also win by making a random move. Nevertheless, the ability to pass has been included in the Board Game Arena implementation of Hex. It has certain specialized uses, such as teaching, giving handicap (i.e., giving an advantage to the weaker player), or setting up an initial board position.

The option to pass is found in the "additional game controls" menu, which is marked by three dots "..." in the upper right corner of the play area. If your opponent passes and you do not want to allow it for some reason, simply pass yourself, which effectively returns the game to its previous state. Three passes in a row are not permitted, so if both players have passed, the next player must make a proper move.

Accessibility

The shades of red and blue that Hex uses by default can be difficult to distinguish for colorblind people. To compensate for this, there is a game display option for color blindness in the Options menu below the game board.