Gets the UCI notation of the move leading to this node.
        See :func:`chess.Board.uci()`.

        Do not call this on the root node.

def uci(self, *, chess960: Optional[bool] = None) -> str:
        """
        Gets the UCI notation of the move leading to this node.
        See :func:`chess.Board.uci()`.

        Do not call this on the root node.
        """
        return self.parent.board().uci(self.move, chess960=chess960)