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The Magic Number
Watch And Learn: Our Favorite Videos About Chess
How Many Chess Games Are Possible?
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Key Facts In This Video
In the 1950s, Claude Shannon estimated that there are 10^120 variations of chess games possible. There are 10^80 atoms in the observable universe. 00:24
Here's how Shannon calculated this number. 01:17
Mathematician Godfrey Hardy put his estimate at 10^10^50. 07:52