Type Alias Castle

Castle:
    | "wk"
    | "wq"
    | "bk"
    | "bq"

Castle type at chess:

  • 'wk' (white king-side castle)
  • 'wq' (white queen-side castle)
  • 'bk' (black king-side castle)
  • 'bq' (black queen-side castle)
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