public int checkDiagonals()
    {
        if( (Board[0][0] + Board[1][1] + Board[2][2]) == -3)
            return -1;
        if( (Board[0][0] + Board[1][1] + Board[2][2]) == 3)
            return 1;
        if( (Board[0][2] + Board[1][1] + Board[2][0]) == -3)
            return -1;
        if( (Board[0][2] + Board[1][1] + Board[2][0]) == 3)
            return 1;
        
        return 0;
    }