chessTableAdvanced

#include <iostream>

int main()
{
    const int chessBoardCells = 8;
    int cellColor = 0; //start with white cell color
    int cellSize = 3;
    std::cout << "Enter cell size: ";
    std::cin >> cellSize;
    std::cout << '\n';
    for (int y = 0; y < cellSize * chessBoardCells; y++)
    {
        if (y % cellSize == 0) { cellColor = !cellColor; };
        for (int x = 0; x < cellSize * chessBoardCells; x++)
        {
            if (x % cellSize == 0) { cellColor = !cellColor; };
            std::cout << (cellColor ? "  " : "##");
        }
        std::cout << '\n';
    }
}