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I made an AI agent playing Quoridor. You can play against it right on the browser here: https://gorisanson.github.io/quoridor-ai/. As you can read on the "about" section on the page, I imitated the demonstration model of Daniel Borowski's Quoridor AI (https://danielborowski.github.io/site/quoridor-ai/display.html). Martijn van Steenbergen's Quoridor program ...

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According the rules, You may only place next to the opponent's pawn (i.e. you may only "move diagonally") if there is a fence behind the said pawn. Note how the diagonal squares are not permissible destinations in figures 2, 3 and 6. Only when the oppenent's pawn is backed by a board (figures 8 and 9) is the diagonal move permissible. As such, diagonal ...

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Pawns cannot move diagonally at all. The first example you give is wrong. The other two are correct. The first: Has too many green spaces. Red can move orthogonally to any of the green spaces next to it, but not diagonally, or red can move the the square beyond blue. Red could only move to the two squares beside blue if there was a wall behind blue. ...

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It’s another interesting problems that you submit here For the First one, you're right, in this situation yellow must skip his turn, the rules with all the differents explanations implied that. For the second case, It’s quite easy when you refers to the rules and it’s not a tortured reading of the rules you just have to follow the legal move in the Fig 10 (...

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No, you must act on your turn. From the rules: Each player in turn chooses to move his pawn or to put up one of his fences. When he has run out of fences, the player must move his pawn. The second sentence there, which you reference in your question, is merely a clarification on the first: if you can't place a fence then you must move because you must ...

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Xoridor is available as a .jar file that will run wherever you have a Java installed and supports 2 or 4 players. This version (mentioned in a comment): http://danielborowski.com/quoridor-ai/display.html is the first hit on Google and works in browser but only seems to be two player. I beat it on my first attempt but I'm used to 4 player games. Since the ...

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