yep

Shogi.Domain/ValueObjects/Piece.cs

@@ -6,10 +6,6 @@ namespace Shogi.Domain.ValueObjects
     [DebuggerDisplay("{WhichPiece} {Owner}")]
     public abstract record class Piece
     {
-        /// <summary>
-        /// Creates a clone of an existing piece.
-        /// </summary>
-        public static Piece CreateCopy(Piece piece) => Create(piece.WhichPiece, piece.Owner, piece.IsPromoted);
         public static Piece Create(WhichPiece piece, WhichPlayer owner, bool isPromoted = false)
         {
             return piece switch
@@ -54,7 +50,7 @@ namespace Shogi.Domain.ValueObjects
         }
 
         /// <summary>
-        /// Respecting the move-set of the Piece, collect all positions from start to end.
+        /// Respecting the move-set of the Piece, collect all positions along the shortest path from start to end.
         /// Useful if you need to iterate a move-set.
         /// </summary>
         /// <param name="start"></param>