Origin of XXL?

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Avatar of Mr_Check58

I wonder who invented this one and when?  Someone here at chess.com or elsewhere?

Avatar of spacebar

I set it up originally without fairy pieces, @Arseny_vasily rearranged it with fairies.

Avatar of Mr_Check58

And how did it look originally?  Let me guess: king and queen, then 4 bishops, knights, and rooks (2 per side)?