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

The question came from Claude Shannon, inventor of ‘Information Theory’ in 1948. The theory uses mathematics to understand the rules governing the transmission of messages through communication systems, applicable to everything from computer code, speech and music, to the dancing of bees.

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

Is it true that the number of possible chess games is greater than the number of atoms in the Universe?, by Space

Commentary: Where is the fun of playing chess against a robot? - CNA

That's a lot of atoms : r/chess

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There are more possible iterations of a game of chess than there are atoms in the known universe - Fact or Myth?

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Chess: A Game of Kings - David Daniel Books

That's a lot of atoms : r/chess

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Patrick Comerford: Counting possible chess moves, atoms in the universe, grains of sand and the number of stars