Matchstick Checkerboard Puzzle

Author: Peter Grabarchuk

Blifaloo is excited to introduce you to prolific puzzle maker: Peter Grabarchuk.
Here is his latest contribution to our growing collection of braintwisters: "Matchstick Checkerboard ".

cube puzzle

There are five squares formed with 20 matchsticks, as shown in the illustration. Move three matchstick to get nine squares. The matchsticks' overlapping or breaking and "lose ends" are not allowed.

Answer is at the bottom of the page.

This Puzzle © 2008 Peter Grabarchuk. All Rights Reserved.
You can find more from Peter Grabarchuk at PeterPuzzle.com
More of the Peter's puzzles in the Modern Classic Puzzles book.

This Puzzles Solution:

cube puzzle solution

Solution : Nine squares are formed: seven 1x1 squares and two 2x2 squares

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