There are more possible iterations of a game of chess than there are atoms in the known universe. - 9GAG

There are more possible iterations of chess games than there are atoms in the observable universe. This value, known as the Shannon Number, represents all of thepossible move variations in the game

That's a lot of atoms : r/chess

How do we calculate all possible games on the board of chess? - Quora

Is Chess Just Memorization? (Quick Facts)

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AnAn and Liah: Some Chess Trivia — Her Move Next

Facts and knowledge on Instagram: From the tiniest atoms to the infinite moves in a game of chess, the universe is full of mind-blowing possibilities. . . #coolfacts #factsonfacts #sciencefacts #scaryfact #psychologyfacts #

Improve Your Gray Matter with Black and White - Chess : A Brain Booster

Are there really more possible Chess games than atoms in the Universe?, by Alfonso Ochoa

Which is greater? The number of atoms in the universe or the number of chess moves?