How to get Fide Rating
How to get FIDE Rating:
Players will get FIDE rating by playing in FIDE rated tournaments.
There are three types of rating: Standard, Rapid and Blitz
In order to get a rating, players need to play at least 5 games against players who are already rated, and score at least ½ point (a draw) in those games.
For the calculation of Initial FIDE Rating, players can calculate your rating on FIDE website: https://ratings.fide.com/calc.phtml?page=initial
Chess Rating:
Chess rating is a numerical ranking system used to estimate the strength of a chess player based on their prior results in FIDE rated chess tournaments.
Ratings range from 1400 to 3000. When a player wins a chess game, their rating should go up. When a player loses a chess game, their rating should go down.