private bool IsSafeMove(Board board, Location pieceLocation, Location moveTo)
{
var oldLocation = board.Get(moveTo);
try
{
board.Set(moveTo, board.Get(pieceLocation));
board.Set(pieceLocation, CellContent.Empty);
return !WhiteKingHasCheck(board);
}
finally
{
board.Set(pieceLocation, board.Get(moveTo));
board.Set(moveTo, oldLocation);
}
}
public void Undo()
{
board.Set(from, board.Get(to));
board.Set(to, oldDestinationCell);
}
