Given the position of different chess pieces on the chessboard, figure out whether castling is valid or not in the next move (white king).

  • a=position of white pieces
  • b=position of black pieces

https://en.wikipedia.org/wiki/Castling

Previous problem https://www.mathworks.com/matlabcentral/cody/problems/45330-castling-02#

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Last Solution submitted on Jan 23, 2026

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George Berken ChrisR Augusto Mazzei Rafael S.T. Vieira

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