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- I S H I D O
- ¯¯¯¯¯¯¯¯¯¯¯¯¯
- by
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- Martijn Dekker
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- 1. Introduction
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- I have no idea where the game comes from, but I played the first time I
- saw it was on a Lynx. I played it and liked it a lot. As I do not have a
- Lunx myself I started writing a version myself. This version is not
- completely the same as the Lynx version. Besides the obvious different
- graphics, my version counts the score in a very naive way. I did this
- because I couldn't remember the 'right' counting, as is used in the Lynx
- version.
- The game is played using a board consisting of 12 x 8 square fields, and
- a pouch containing pieces.
- A piece is nothing but a piece of wood with a certain color
- and carrying a certain symbol. There are 6 different colors and 6 different
- symbols, so in total 36 different pieces. Two of every kind are in the pouch
- so there are 72 pieces in the pouch. At the beginning of the game, 6 pieces
- are picked out of the pouch and placed on the board (one in every corner
- and 2 in the center of the board). This is done by the computer.
- The game now begins by picking a piece out of the pouch (again, this is
- done by the computer and the piece is shown in the right corner of the
- screen). Your goal is to place the piece on the board. You are not allowed
- to place the piece just everywhere on the board (see section 'The rules').
- For example you may only place a piece immediately next to at least
- another piece. Just use the mouse to place the piece on the board. Another
- piece is picked for you to place on the board etc. If you can not place
- the piece, the program will tell you so, and you can start a new game.
- You win if you can place all 72 pieces on the board. Remember that there
- are only 12 x 8 = 96 squares on the board, so there is not much room for the
- 72 pieces....
-
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- 2. The rules
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- You may only place a piece on a certain square under the following
- conditions (by neighbouring squares of a square we mean only the squares
- directly above, beneath, to the right or to the left of the square, so a
- square has at most 4 neighbouring squares):
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- o the square should have at least one neighbouring square with a piece
- on it,
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- o when the square has exactly 1 neighbouring square with a piece on it,
- you may place the current piece on it if it has the same color as the
- neighbouring piece and/or it carries the same symbol.
-
- o when the square has exacty two neighbouring squares with a piece on it,
- you may place the current piece on it only if has the same color as
- one of the neighbouring pieces and it carries the same symbol as the
- other neighbouring piece,
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- o when the square has exactly three neighbouring squares with a piece on it,
- you may place the current piece on it only if it has the same color as
- two neighbouring pieces and if it carries the same symbol as the third,
- OR it carries the same symbol as two neighbouring pieces and has the same
- color as the third,
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- o when the square has exactly four neighbouring squares with a piece on it,
- you may place the current piece on it if has the same color as two
- neighbouring pieces and it carries the same symbol as the other two.
- In addition the two neighbouring pieces having the same color as the
- current piece should be touching eachother (so should have a corner of
- a square in common). It follows that the two neighbouring pieces which
- carry the same symbol as the current piece also touch eachother.
-
- These rules may look a bit complex but after some playing/experimenting
- you should have no problems with them.
-
-
- 3. The score
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- You receive one point for every piece you can place on the board, except
- for the pieces you place in a square having less than 4 neighbouring squares.
- You receive more points if you can place a piece on a square having
- more than one occupied neighbouring square. In fact, placing a piece on
- a square with 4 occupied squares gives you a lot of points and the number
- of such configurations is counted seperately. Of course the main point
- of the game is emptying the pouch, not to get a lot of points. But as there
- are only 96 squares on the board and 72 pieces in the pouch, you should
- try to place the pieces as tight together as you can.
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- 4. Help option
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- The game has a 'help' button. When you press it, the program asks if you
- are sure you need help. If you say 'yes', the program will indicate the
- square on which you may place your piece. Of course there can be other
- squares you may place your piece on, but the program will always show the
- square which will give you the most points.
-
- Enjoy!
-
- this version was written by:
-
- Martijn Dekker
- Prof. Jordanlaan 72
- 3571 KB UTRECHT
- the Netherlands
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- email: mdekker@fwi.uva.nl
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-