private void update()
{
graphics.Clear(Color.Transparent);
board = b.GetBoard();
for (int i = 0; i < 8; i++)
{
for (int j = 0; j < 8; j++)
{
if (board[i, j] != null)
{
graphics.DrawImage(board[j, i].img, new Rectangle(i * (width / 8), j * (hieght / 8), width / 8, hieght / 8));
}
}
}
pictureBox2.Image = piecesimg;
}