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.

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

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Are there more possible legal moves in chess than there are atoms in the universe? - Quora

A source says that the number of possible chess positions is at least [math]10^{29241}[/math]. Is that true or false? Is it not [math]10^{120}[/math]? - Quora

Are there more possible legal moves in chess than there are atoms in the universe? - Quora

It has been suggested that there are more possible games of chess than atoms in the universe. Is this true, and how do we know this? - Quora

Mathematics, Free Full-Text

iTWire - Gamovation Chess Club

Are there more possible legal moves in chess than there are atoms in the universe? - Quora

Number of Possible Chess Games: Unbelievable Combinations