Answers.Body: <p>Online sites use the rating at the beginning of the game. You can tell that because that's the rating they display even if it's changed.</p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2021-06-27T09:20:31.970Z
Answers.LastActivityDate: 2021-06-27T09:20:31.970Z
Answers.UserDisplayName: Savage47
Answers.Body: <p>Every site that I have seen uses the rating at the end of the game.</p>
  
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2015-09-03T07:32:58.250Z
Answers.Text: But GameKnot doesn't: it uses either the rating at start of the game or the rating at the end of the game, whichever is higher.
Answers.UserDisplayName: Stephen
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2015-09-02T23:31:04.120Z
Answers.LastActivityDate: 2015-09-02T23:31:04.120Z
Answers.UserDisplayName: Cleveland
Body: <p>When playing rated online correspondence chess, it's quite possible that the players' ratings change during the game. When the game is over, which rating will be used for rating adjustments? The ratings they had before the game began, or the rating at the end of the game?</p>
  
Comments.ContentLicense: CC BY-SA 3.0
Comments.CreationDate: 2015-09-02T12:53:54.933Z
Comments.Text: Do you mean ICCF games?
Comments.UserDisplayName: JiK
Comments.ContentLicense: CC BY-SA 3.0
Comments.CreationDate: 2015-09-02T13:24:09.047Z
Comments.Text: Not necessarily, I meant any kind of (online) correspondence chess.
Comments.UserDisplayName: lindelof
Tags: <rating><elo><correspondence-chess>
Title: In online correspondence chess, are the ratings adjustments based on the pre- or post-game ratings?
ThreadText: # In online correspondence chess, are the ratings adjustments based on the pre- or post-game ratings?
  
  (Asked by: username_0 on 2015-09-02)
  
  When playing rated online correspondence chess, it's quite possible that the players' ratings change during the game. When the game is over, which rating will be used for rating adjustments? The ratings they had before the game began, or the rating at the end of the game?
  
  **Tags:** rating, elo, correspondence-chess
  
  > **Comments:**
  > **username_1**: Do you mean ICCF games?  
  > **username_0**: Not necessarily, I meant any kind of (online) correspondence chess.  
  
  ---
  
  ## 2 answers
  
  ### Answer by username_2 on 2021-06-27. Score: 1
  
  Online sites use the rating at the beginning of the game. You can tell that because that's the rating they display even if it's changed.
  
  
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  ### Answer by username_3 on 2015-09-02. Score: 1
  
  Every site that I have seen uses the rating at the end of the game.
  
  > **Comments:**
  > **username_4**: But GameKnot doesn't: it uses either the rating at start of the game or the rating at the end of the game, whichever is higher.  
  
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