class Program

{

private static readonly string[] letters = { "A", "B", "C", "D", "E", "F", "G", "H" };

private const int size = 8;

private static bool[,] chessboard;

private static void Main()

{

const string top = " -----------------";

//init chessboard

chessboard = new bool[size, size];

//place a figure on field 4/6 for demonstration

chessboard[4, 6] = true;

chessboard[5, 6] = true;

for (int y = 0; y < size; y++)

{

Console.WriteLine(" {0}", top);

Console.Write("{0} ", size - y);

for (int x = 0; x < size; x++)

{

Console.Write("|{0}", chessboard[x, y] ? 'X' : ' ');

}

Console.WriteLine("|");

}

Console.Write(" ");

for (int i = 0; i < size; i++)

{

Console.Write("{0} ", letters[i]);

}

Console.ReadKey();

}

}

}