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

Is it true that there are more possible checkmates in chess than there are grains of sand on the Earth? Someone told me this once but I'm not sure. - Quora

Is chess a tricky game?

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

In “Tron: Legacy” (2010) Quorra, a computer program, mentions to Sam that she rarely beats Kevin Flynn at their strategy board game. This game is actually “Go”, a game that is notoriously

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According to this Quora answer, chess wasn't made by humans (the question was Is chess the most strategic game?) : r/chess

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

How many possible chess games are there? - Quora

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

Has anyone won a chess game with all 32 pieces on board? - Quora

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