How a chess board is numbered?

How a chess board is numbered? Naming the squaresThe horizontal rows of squares, called ranks , are numbered 1 to 8 starting from White’s side of the board. Thus each square has a unique identification of file letter followed by rank number. For example, the initial square of White’s king is designated as “e1”.

Naming the squares

The horizontal rows of squares, called ranks , are numbered 1 to 8 starting from White’s side of the board. Thus each square has a unique identification of file letter followed by rank number. For example, the initial square of White’s king is designated as “e1”.