Задача написать шахматы

VOID OnPaint(HDC hdc)
{
    Gdiplus::Graphics graphics(hdc);
    Gdiplus::SolidBrush blackBrush(Gdiplus::Color::Black);
    Gdiplus::Font font(L"Chess Merida Arena", 60, Gdiplus::FontStyleRegular, Gdiplus::UnitPixel);
    LPCWSTR chessString = L"tMvWlVmT\nOoOoOoOo\n + + + +\n+ + + + \n + + + +\n+ + + + \npPpPpPpP\nRnBqKbNr";
    graphics.SetTextRenderingHint(Gdiplus::TextRenderingHintAntiAliasGridFit);
    graphics.DrawString(chessString, -1, &font, Gdiplus::PointF(0, 0), &blackBrush);
}

#ifndef UNICODE
#define UNICODE
#endif
 
#include <windows.h>
#include <gdiplus.h>
 
VOID OnPaint(HDC);
 
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM);
 
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE, PSTR, int iCmdShow)
{
    MSG msg;
    WNDCLASS wndClass;
    Gdiplus::GdiplusStartupInput gdiplusStartupInput;
    ULONG_PTR gdiplusToken;
    Gdiplus::GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);
 
    LPCWSTR CLASS_NAME = L"Sample Window Class";
 
    wndClass.hInstance = hInstance;
    wndClass.lpszClassName = CLASS_NAME;
    wndClass.lpfnWndProc = WndProc;
    wndClass.style = CS_HREDRAW | CS_VREDRAW;
    wndClass.hIcon = LoadIcon (NULL, IDI_APPLICATION);
    wndClass.hCursor = LoadCursor (NULL, IDC_ARROW);
    wndClass.lpszMenuName = NULL;
    wndClass.cbClsExtra = 0;
    wndClass.cbWndExtra = 0;
    wndClass.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
 
    RegisterClass(&wndClass);
 
    RECT rc = {0, 0, 500, 500};
    AdjustWindowRect(&rc, WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX, FALSE);
 
    INT screenWidth = GetSystemMetrics(SM_CXSCREEN);
    INT screenHeight = GetSystemMetrics(SM_CYSCREEN);
 
    HWND hWnd = CreateWindowW(
        CLASS_NAME,
        L"Chessboard",
        WS_CAPTION | WS_SYSMENU |WS_MINIMIZEBOX,
        (screenWidth - rc.right + rc.left) / 2,
        (screenHeight - rc.bottom + rc.top) / 2,
        rc.right - rc.left,
        rc.bottom - rc.top,
        NULL,
        NULL,
        hInstance,
        NULL
        );
 
    if (!hWnd)
        return 0;
 
    ShowWindow (hWnd, iCmdShow);
 
    while (GetMessage (&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
 
    Gdiplus::GdiplusShutdown(gdiplusToken);
    return msg.wParam;
}
 
LRESULT CALLBACK WndProc (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch (message)
    {
        case WM_PAINT:
            {
                PAINTSTRUCT ps;
                HDC hdc = BeginPaint(hWnd, &ps);
                OnPaint(hdc);
                EndPaint(hWnd, &ps);
                break;
            }
        case WM_DESTROY:
            PostQuitMessage (0);
            break;
        default:
            return DefWindowProc (hWnd, message, wParam, lParam);
    }
    return 0;
}
 
VOID OnPaint(HDC hdc)
{
    Gdiplus::Graphics graphics(hdc);
    Gdiplus::SolidBrush blackBrush(Gdiplus::Color::Black);
    Gdiplus::Font font(L"Chess Merida Arena", 60, Gdiplus::FontStyleRegular, Gdiplus::UnitPixel);
    LPCWSTR chessString = L"tMvWlVmT\nOoOoOoOo\n + + + +\n+ + + + \n + + + +\n+ + + + \npPpPpPpP\nRnBqKbNr";
    graphics.SetTextRenderingHint(Gdiplus::TextRenderingHintAntiAliasGridFit);
    graphics.DrawString(chessString, -1, &font, Gdiplus::PointF(0, 0), &blackBrush);
}