Answers.Body: <p>Answers to your questions:</p>
  <p>1 - FIDE considers the 30th and 31st too late to have time to update the rating for this month, so they defer it to the next rating cycle, which would be November the first. This means that FIDE would use the October Ratings to calculate the new rating.
  According to regulation 7.1.3:
  7.1.3      The closing date for tournaments for a list is 3
  days before the date of the list; tournaments ending before
  or on that day may be rated on the list. Official FIDE events
  may be rated on the list even if they end on the last day
  before the list date.</p>
  <p>2 and 3 - There is no specific regulation, but I may have overlooked something. Here is the list of rating regulations according to FIDE: <a href="https://handbook.fide.com/chapter/B022024" rel="nofollow noreferrer">https://handbook.fide.com/chapter/B022024</a></p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2024-09-27T23:25:36.300Z
Answers.LastActivityDate: 2024-09-28T18:35:48.053Z
Answers.LastEditDate: 2024-09-28T18:35:48.053Z
Answers.UserDisplayName: MrChessR
Body: <p>I 'm seeking clarification on FIDE rating calculations for tournaments held at the end of a month, particularly for blitz events.</p>
  <p>Here's a specific scenario:</p>
  <p>A FIDE-rated blitz tournament takes place on September 30th.
  Player A's September rating: 1400
  Player A's October rating: 1600 (hypothetical significant increase)
  If calculated using September rating: Player A gains +50 points
  If calculated using October rating: Player A loses -75 points</p>
  <p>The FIDE Title Regulations clearly state that for title norms, &quot;The Rating List in effect at the start of the tournament shall be used.&quot; However, I'm uncertain if this applies to regular rating calculations for non-title events.</p>
  <p>Questions:</p>
  <ol>
  <li><p>Which rating (September or October) would FIDE use to calculate the rating change for this tournament?</p>
  </li>
  <li><p>Is there a specific regulation in the FIDE Rating Rules addressing this scenario for regular tournaments?</p>
  </li>
  <li><p>How does FIDE handle rating calculations when there's a significant rating change between the tournament date and the processing date?</p>
  </li>
  </ol>
  <p>I'd greatly appreciate any insights or references to official FIDE documents that clarify this situation.</p>
  
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2024-09-27T06:56:46.430Z
Comments.Text: If a player gains 200 points - where do you think these come from? There must be other results too, no? So, at latest by the end of October the player would end up with the same rating.
Comments.UserDisplayName: bakunin
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2024-10-31T19:25:22.733Z
Comments.Text: @bakunin No, the way the ratings are calculated, it likely won't be the same. If you draw against a 1500 player, your rating will go down if 1600 is used for the calculation, but it will go up if 1400 is used.
Comments.UserDisplayName: D M
Tags: <fide><blitz>
Title: Clarification on FIDE Rating Calculation for End-of-Month Tournaments
ThreadText: # Clarification on FIDE Rating Calculation for End-of-Month Tournaments
  
  (Asked by: username_0 on 2024-09-27)
  
  I 'm seeking clarification on FIDE rating calculations for tournaments held at the end of a month, particularly for blitz events.
  
  Here's a specific scenario:
  
  A FIDE-rated blitz tournament takes place on September 30th.
  Player A's September rating: 1400
  Player A's October rating: 1600 (hypothetical significant increase)
  If calculated using September rating: Player A gains +50 points
  If calculated using October rating: Player A loses -75 points
  
  The FIDE Title Regulations clearly state that for title norms, "The Rating List in effect at the start of the tournament shall be used." However, I'm uncertain if this applies to regular rating calculations for non-title events.
  
  Questions:
  
  1. Which rating (September or October) would FIDE use to calculate the rating change for this tournament?
  2. Is there a specific regulation in the FIDE Rating Rules addressing this scenario for regular tournaments?
  3. How does FIDE handle rating calculations when there's a significant rating change between the tournament date and the processing date?
  
  I'd greatly appreciate any insights or references to official FIDE documents that clarify this situation.
  
  **Tags:** fide, blitz
  
  > **Comments:**
  > **username_1**: If a player gains 200 points - where do you think these come from? There must be other results too, no? So, at latest by the end of October the player would end up with the same rating.  
  > **username_2**: @username_1 No, the way the ratings are calculated, it likely won't be the same. If you draw against a 1500 player, your rating will go down if 1600 is used for the calculation, but it will go up if 1400 is used.  
  
  ---
  
  ## 1 answers
  
  ### Answer by username_3 on 2024-09-27. Score: 0
  
  Answers to your questions:
  
  1 - FIDE considers the 30th and 31st too late to have time to update the rating for this month, so they defer it to the next rating cycle, which would be November the first. This means that FIDE would use the October Ratings to calculate the new rating.
  According to regulation 7.1.3:
  7.1.3 The closing date for tournaments for a list is 3
  days before the date of the list; tournaments ending before
  or on that day may be rated on the list. Official FIDE events
  may be rated on the list even if they end on the last day
  before the list date.
  
  2 and 3 - There is no specific regulation, but I may have overlooked something. Here is the list of rating regulations according to FIDE: <https://handbook.fide.com/chapter/B022024>
  
  
  ---
  
  