C# (CSharp) Chess.Game.IPiece примеры использования

Пример #1

 public Square(Chess.Game.IPiece piece, RankFile rankAndFile) :
     base(piece, rankAndFile)
 {
 }

Пример #2

 public Square(Chess.Game.IPiece piece, char file, ushort rank) :
     base(piece, file, rank)
 {
 }