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The 7 Knights Problem |
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It is easy to place 7 chess knights on a 3x3 board. But it becomes a
little bit different when there is a rule to move the knight after you
place it on the board, don't you say? |
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The Four Queens |
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Development of the chess queen theme. This time it's in the little shift
that no queen can attack another - simply let 'em live in peace on a small
chessboard. |
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Six Knights |
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Foxes and Geese is another popular version of this chess black and white
knights exchange puzzle that has to be completed in fewest possible moves. |
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The Two Queen Question |
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A minimax problem: find the maximum and the minimum number of attacked
vacant cells of a standard chessboard when there are only two chess queens
on it. |
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The Knight's Tour 2 |
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A chess knight wants to travel around a 6x6 board making the longest
possible tour without self-crossings of his route. Can you help him to do
it? |
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Three Queens |
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Is it possible to place three chess queens on a single non-standard board
so that all vacant cells are attacked? How many ways to do this can you
find? |
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The Knight's Tour |
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Make a knight's tour on a small chess board visiting every cell only once
and then returning to the initial cell. You may start from any cell of the
board. |
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Unattacked Cells |
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Do you believe five chess queens placed on a 5x5 board create a unique
pattern when a maximum number of unattacked vacant cells is left? |
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Four Knights |
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Find the shortest possible way to change the knights - two black knights
with two white ones. Of course, just the chess knight's moves are allowed. |
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Last Updated:
February 15, 2008 |
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