Why is almost every game in chess different?

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ThomasX
there are often opening traps where the game is the same.
Martin_Stahl
ThomasX wrote:
there are often opening traps where the game is the same.

 

There are many possible move options each move so the number of permutations is huge. It doesn't take many moves for games to become unique, especially for players that don't have openings memorized, or if one of the two players don't.

shechs

there are more combinations of a chess game than there are atoms in the observable universe.