this post was submitted on 22 Oct 2023
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AnarchyChess
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I've often wondered if it's always possible to tell whether any arbitrary boardstate is possible, and I came up with a few easy ways to tell how the board can't be legal without verifying that no set of moves can lead to it. Can you spot every illegality?
Spoiler
King capture is possible for both players, they both have two bishops on black yet no pawn missing, the edge pawns are in impossible positions and the queens and kings are developed despite the pawns and bishops still in their place. Did I miss something? I can't see anything wrong with the knights or rooks.I couldn't think of any way to have a knight in an impossible position. I do have one impossible rook, because I updated the link after you left this comment