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

** new_rating** — new user rating

- Formula if a player has won and the
**current_rating < avg_rating**:

- Formula if a player has won and the
**current_rating > avg_rating:**

- Formula if a player has lost and the
**current_rating < avg_rating:**

- Formula if a player has lost and the
**current_rating > avg_rating:**

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