👉 A checkerboard is a type of grid that consists of squares arranged in rows and columns, with alternating colors. Each row has two adjacent squares, while each column has two adjacent squares as well. The pattern repeats itself on both sides of the board, creating a repeating pattern that can be visualized as a sequence of numbers or symbols. Example: In a checkerboard, we have 5 x 5 squares arranged in a diagonal line across the board. Each row and column contains one number (