AnAn and Liah: Some Chess Trivia — Her Move Next

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

UET Science Society - There are more possible iterations of chess games than there are atoms in the observable universe(the total number of atoms in the observable universe is somewhere around 10^79

Chess moves: how many are there?, Board games

5 Most Amusing Chess Facts for Kids - HobSpace - Chess Blog

that there are more possible iterations in a chess game than than there are atoms in the known universe. – DID YOU KNOW…

Chess tournament returns to Bozeman for the first time since COVID-19, Culture

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

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

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

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