Author: Dann Corbit
Date: 11:29:04 04/11/05
Go up one level in this thread
On April 11, 2005 at 13:58:03, Uri Blass wrote: >As far as I know the Israeli chess federation bought in the past a program to >calculate rating based on their database. > >They do not have the source of the program(but only the exe file) and today >there is a problem because they decided to change the rules but they have no >money to pay to the person who wrote the program so the old rules of rating are >practically used and not the new rules. > >Note also that I thought in the past that it may be a good idea to let everybody >to download a file with all the data that they have about results of games but I >understood that it is impossible because the data is only in some excel file >together with other details that they do not want the public to know so they >cannot give people to download the excel file. > >I am interested to know how other chess federations calculate rating and if you >have some good idea that I can suggest to the israeli federation. > >I thought about some ideas but I prefer to hear first from other people. This is how the USCF calculated ratings at one time (don't know if it is still true): ftp://cap.connx.com/pub/tournament_software/USCF.C ftp://cap.connx.com/pub/tournament_software/USCF.H I wrote this implementation and you can use it for any purpose you like. This is an interesting project by Royal C. Jones to calculate Elo Ratings: ftp://cap.connx.com/pub/tournament_software/prog10.cpp And here is his permission to use it: ftp://cap.connx.com/pub/tournament_software/Re Your chess rating systems.txt Elostat is a binary to calculate Elo ratings that is popular: http://wbec-ridderkerk.nl/html/download/other/elostat_13.zip This is a very interesting project by Rémi Coulom: http://remi.coulom.free.fr/Bayesian-Elo/ The FICS source code has the Glicko algorithm. ftp://cap.connx.com/pub/chess-utils/fics.1.7.4/ ftp://cap.connx.com/pub/chess-utils/FICS.DIST/ http://sourceforge.net/projects/chesssrv/ http://sourceforge.net/projects/chessd/ Recommended reading: http://www.ratingtheory.com/ http://www.chessmetrics.com/
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