Introduction to the New FMJD Rating System
The FMJD rating system has a long and respected history. For more than twenty three years,
the rating work of the FMJD was carried almost entirely by Jacek Pawlicki,
whose contribution to international draughts cannot be overstated.
Jacek not only developed and maintained sophisticated rating software, continuously fine tuned
over many years. He also carried out the demanding and often invisible work of collecting
tournament data, calculating results, uploading data to the FMJD server for publication on
the website, and producing the quarterly PDF rating lists enriched with extensive statistics.
This work formed the backbone of the FMJD rating system for more than two decades.
Already during his term as President of the FMJD, the decision was taken to start the
development of a new rating system. The goal was to better prepare the FMJD for the future.
From the start, several key objectives were defined for the new system:
- Web native, fully integrated with modern web technologies
- Multi user and role based, allowing management by multiple authorized users,
for example members of the FMJD Technical Commission
- Open and transparent, so that calculation engines can be inspected and verified
by professionals for correctness and consistency
These principles open the way to important new possibilities. One of them is the possibility of
transition, in the future, from fixed quarterly rating lists to ratings that can be updated more
frequently and eventually in near real time.
Rating list number 127 is the first rating list produced entirely with the new system.
Also the production of rating lists in PDF format and several related procedures have
been automated. This makes the entire process reproducible, less error prone, and easier to audit.
We would like to express our sincere thanks to Wouter Morssink for extensive
testing and for performing the first full rating calculations with the new system, and once
again to Jacek Pawlicki for his parallel calculation of rating list 127, which provided
an important reference and validation point.
This new rating system builds on a strong legacy, while laying the foundation for a more
transparent, collaborative, and future proof FMJD rating infrastructure.
Happy New Year!
What is New in the FMJD Rating System
- Modern web technology stack including TypeScript, React, Google Cloud, and a PHP generated API on the server side
- An administrative interface that supports multi user operation
- Core calculation engines that will be published on GitHub
- Weighted average calculation for new players reaching the thirty game threshold ( when a player reaches the threshold
of thirty rated games during a tournament, the development factor is now applied in a more
precise, weighted manner instead of uniformly to the entire event)
- Real time integration with both the DrA database and the FMJD database
- PDF rating publication split into multiple parts due to the increased size of the rating lists
- Additional sections added to the rating publication
- Much more detailed presentation of rating calculations on the FMJD website
- Integrated validation of FMJD IDs, including issuing new IDs during rating calculation
- All norms, including automatic norms, are calculated in real time
- And many more additions and improvements
As the whole system was finalized in a short time and under considerable time pressure,
some initial issues or inconsistencies may still occur. Users are warmly invited to report
any errors or suggestions for improvement by contacting
webmaster@fmjd.org.
FMJD Webmaster, 1 January 2026
RATINGS PAGE OF FMJD: https://www.fmjd.org/?p=rating
RATING 127 :
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