On the Oracula platform, there is a rating system, both for the player and the author of an event. In order for you to understand how the player’s rating is calculated, detailed formulas are given below, where: avg_rating — the average rating on the website, calculated as the arithmetic mean of ratings of all users current_rating — the current rating of the user, set to 1000 after the first game option_coef — coefficient at the end of an event