Einstein's Riddle

Name: Einstein's Riddle
Rating: 2.5 (14 reviews)

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Description: Einstein's riddle or "Zebra puzzle" is a well known riddle attributed to Albert Einstein. In a neighborhood of five houses one is given some clues regarding the habits of the house owners and is asked to identify the one that owns the fish (or zebra).

It is said that only 2% of the population is able of finding the solution. I am not sure however, if this percentage refers to the people that are able to solve the puzzle without using a pen and a paper (or a computer). This is indeed very difficult and requires a beyond the average ability to hold too many pieces of information in one's mind at the same time.

This application provides an easier way to solve the puzzle. It presents the rules and the board side by side and allows you to easily make selections. It highlights red or green a rule automatically, when it is violated or fulfilled. It also offers easier variations, with fewer houses and properties. The variation presented above is the first one of the 5x5 puzzles. If you solve it and are eager for more, you can find many puzzles with similar difficulty in the '5x5' category.; MoreLess