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Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games

SELECT UserId AS [User Link],
  RANK() OVER (ORDER BY Reputation DESC) AS 'New rank',
  Reputation AS 'New reputation',
  RANK() OVER (ORDER BY 
  Reputation -
       SUM((CASE WHEN NewReputation > 200 THEN 200 ELSE NewReputation END)
         - (CASE WHEN OldReputation > 200 THEN 200 ELSE OldReputation END))
  DESC) AS 'Old rank',
  Reputation -
       SUM((CASE WHEN NewReputation > 200 THEN 200 ELSE NewReputation END)
         - (CASE WHEN OldReputation > 200 THEN 200 ELSE OldReputation END))
         AS 'Old reputation'
  FROM (
  SELECT
    p.OwnerUserId AS UserId,
    v.CreationDate AS VoteDate,

  SUM(CASE
    WHEN p.PostTypeId = 1 -- question
     AND v.VoteTypeId = 2 -- upvote
     AND (p.CommunityOwnedDate > v.CreationDate OR p.CommunityOwnedDate IS NULL)
    THEN 5
    WHEN p.PostTypeId = 2 -- answer
     AND v.VoteTypeId = 2 -- upvote
     AND (p.CommunityOwnedDate > v.CreationDate OR p.CommunityOwnedDate IS NULL)
    THEN 10
    WHEN v.VoteTypeId = 3 -- downvote
     AND (p.CommunityOwnedDate > v.CreationDate OR p.CommunityOwnedDate IS NULL)
    THEN -2
    ELSE 0 
  END) AS OldReputation,

  SUM(CASE
    WHEN v.VoteTypeId = 2 -- upvote
     AND (p.CommunityOwnedDate > v.CreationDate OR p.CommunityOwnedDate IS NULL)
    THEN 10 
    WHEN v.VoteTypeId = 3 -- downvote
     AND (p.CommunityOwnedDate > v.CreationDate OR p.CommunityOwnedDate IS NULL)
    THEN -2
    ELSE 0 
  END) AS NewReputation
  
    FROM Posts AS p
    INNER JOIN Votes AS v ON v.PostId = p.Id
    WHERE p.OwnerUserId IN (SELECT TOP 10 Id FROM Users ORDER BY Reputation DESC)

    GROUP BY p.OwnerUserId, v.CreationDate
  ) AS ReputationByDate
  INNER JOIN Users ON ReputationByDate.UserId = Users.Id
  GROUP BY UserId, Reputation
  ORDER BY 2

fork query

edited nov 21 19

created nov 21 19 Glorfindel