The chessboard is divided into rows and columns. The three most important things to understand on the chessboard are the ranks, files, and diagonals. To make it easy as a chess lesson for kids online, ranks are the rows. There are 8 rows on a chessboard.
The columns are called the files. There are also 8 files on the chessboard. The third very important thing is diagonal. It means from one corner of the chessboard to another end.
The diagonal is made up of 8 squares. There are also some short diagonals on board. The chessboard has light- and dark-colored squares. They can be any two different colors. They alternate in a pattern, light square followed by a dark square. These squares are very important for making chess strategies while playing.