| At the end of March 2009, FIDE declared that New FIDE Rating System would come into force starting from 1 July 2009. Some changes have been already confirmed.
The most radical decision to introduce the New K-factors 20 and 30 instead of K-factors 10, 15, and 25 was postponed until 1 July 2011 for further discussion.
The following list will give you a general idea of the Updated 1 July 2009 FIDE Rating System. In the list, you will also find some changes to the FIDE Title Regulations:
1. The K-factor (postponed)
• The K-factor 10 to be cancelled.
• The K-factor 15 to be cancelled.
• The K-factor 25 to be cancelled.
Instead:
• The New K-factor 20 to be introduced.
• The New K-factor 30 to be introduced.
2. The New K-factor Assignment (postponed)
The New K-factor 30:
• As long as a player's rating remains under 2400.
The New K-factor 20:
• Once a player's published rating has reached 2400 and remains at that level
subsequently, even if the rating drops below 2400.
3. The Table of Winning Probability
No Change, the Table is the same.
4. The FIDE Rule of 400 Points
• The Rule of 400 Points came into force starting from 1 July 2009, and it is effective now.
• The Rule of 400 Points was introduced instead of the Rule of 350 Points, which was effective before 1 July 2009.
5. Table of Performance Change
1 Change for maximum/minimum Performance Ratio, the rest of the Table is the same.
6. The Minimum Performance Rating Needed for the Norm
Effective Now:
• For the GM Norm 2600
• For the IM Norm 2450
• For the WGM Norm 2400
• For the WIM Norm 2250
Was effective before 1 July 2009:
• For the GM Norm 2601
• For the IM Norm 2451
• For the WGM Norm 2401
• For the WIM Norm 2251
7. The FIDE Norm Requirements
Few Changes, which make it more difficult to get the Norm.
8. The FIDE Rating Floor
Effective Now:
• 1200.
Was effective before 1 July 2009:
• 1600.
9. The FIDE Rating List to Be Published
Effective Now:
• 6 Times a Year: 1 January, 1 March, 1 May, 1 July, 1 September, and 1 November.
Was effective before 1 July 2009:
• 4 Times a Year: 1 January, 1 April, 1 July, and 1 October.
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