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

The Secrets Of The Universe - This value, known as the Shannon Number represents all of the possible move variations in the game of chess. It is estimated to be between 10¹¹¹

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

Chess Moves V Atoms - Chess Forums

Request] Is this true? If so whats the math behind it? : r/theydidthemath

Is Chess Just Memorization? (Quick Facts)

J. Imaging, Free Full-Text

The Patzer's Playlist : Modestoview

There Are More Games of Chess Possible Than Atoms In The Universe! - NYK Daily

General Knowledge Facts - There are more possible iterations of a game of chess than there are atoms in the known universe.

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