How do I know if an opening has been played before?

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Chessboards101

Hi

I want to find out if an opening has been played before. However, I only am curious about if it has been played for white/black, and not what the opponent resopnded, if that makes sense. I want to input moves for one side. Checking every single response black/white could make would take basically forever.

If anybody knows how to do this (and understands what I'm asking), please tell me what to do.

AK47_reigns

in your awards section there is a section of books there you can see all openings played by you

and you can also check it by game history

Chessboards101
AK47_reigns wrote:

in your awards section there is a section of books there you can see all openings played by you

and you can also check it by game history

It's a new opening (possibly) though. Also I want to see if it has ever been played by anybody, not just me.