Sleepless Knights Puzzle

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Solve two difficult puzzles using only knight hops as moves. Challenge 1 uses 16 knights; challenge 2 uses nine knights. Scramble the board, then recreate the original setup by clicking knights that can move into the empty space.

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The only moves allowed are knight hops: two steps in one orthogonal direction, then one step at a right angle. The target position must be empty. (In challenge 2 you sometimes also have to click the desired target position if there is more than one.)

Challenge 1 has one empty square in the lower-right corner; challenge 2 has four empty squares.

The "select" buttons let you take back a move, return to the original scrambled board, go forward one move, or jump to the last move recorded.

Click the "reset to start" checkbox to return to the start.

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Contributed by: Karl Scherer (March 2011)
Open content licensed under CC BY-NC-SA


Snapshots


Details

History:

Challenge 1 was first published by the same author as the main variant of the Zillions game "16Plus".

Challenge 2 was first published by the same author as the main variant of the Zillions game "9Plus".

Enjoy and don't let the puzzles cause you sleepless nights!



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