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.

Chess: A Game of Kings - David Daniel Books

Artificial Intelligence had more difficulty cracking Go than Chess

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

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

How Many Possible Chess Games Are There? – Maroon Chess

The greatest number you can imagine

AnAn and Liah: Some Chess Trivia — Her Move Next

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

SportsAndGames › There are more possible iterations in a game of chess than there are atoms in the universe.

Unveiling the Mind-Boggling Complexity of Chess: Why There Are More Possible Chess Games Than Atoms in the Universe