private void Form1_Load(object sender, EventArgs e)
        {
            InitializeBoard();
        }
 
        private void InitializeBoard()
        {
            Board.Location = new Point(125, 125);
            Board.Size = new Size(223, 223);
            Board.BackgroundColor = Color.White;
 
            for (int i = 0; i < 10; i++)
            {
                Board.Rows.Add();
            }
 
            foreach (DataGridViewColumn column in Board.Columns)
            {
                column.Width = Board.Width / Board.Columns.Count;
            }
 
            for (int row = 0; row < Board.Rows.Count; row++)
            {
                for (int col = 0; col < Board.Columns.Count; col++)
                {
                    Board[col, row].ReadOnly = true;
                }
            }
        }

        private void Board_CellMouseClick(object sender, DataGridViewCellMouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                if (Board.CurrentCell.Style.BackColor == Color.White)
                {
                    Board.CurrentCell.Style.BackColor = Color.Black;
                }

                else
                {
                    Board.CurrentCell.Style.BackColor = Color.White;
                }
            }
        }

        private void Board_SelectionChanged(object sender, EventArgs e)
        {
            Board.ClearSelection();
        }