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jiballast Tuesday at 9:07 PM1 replyview on HN

Chess geometry is not the same as physical geometry. See, e.g., https://en.wikipedia.org/wiki/R%C3%A9ti_endgame_study


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KK7NILlast Tuesday at 11:26 PM

Indeed, it's not even the same between pieces!

Kings have Chebysev geometry while Rooks have taxicab geometry: https://en.wikipedia.org/wiki/Taxicab_geometry#See_also

It's left as an exercise for the reader to figure out the geometry of the remaining pieces.

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