100% cool rating system query for SQL that will give you right result. Score and Timer calculation Rating

Rating System Query

-- BY Kakha Giorgashvili (KAKHA13)
-- Rating system query
-- score = Users Score 
-- timer = Interval from begining to end
-- 1.8 is gravity what helps query to get 100% right result
 
SELECT
	*, 
	(`score` - 1) / POWER(`timer`, 1.8) AS rating
FROM
	column_name
ORDER BY
	rating DESC