Author: Uri Blass
Date: 16:35:34 04/11/05
Go up one level in this thread
On April 11, 2005 at 19:30:59, Uri Blass wrote: >On April 11, 2005 at 18:16:40, Dann Corbit wrote: > >>On April 11, 2005 at 16:08:21, Uri Blass wrote: >> >>>On April 11, 2005 at 14:29:04, Dann Corbit wrote: >>> >>>>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/ >>> >>>Thanks for all the data. >>> >>>If I understand the program to calculate USCF rating is free source code by you. >> >>Yes. >>>I still did not look at your files. >>>The main problem as I see is getting the data and not calculating the rating >>>based on the relevant formula. >> >>You just need to read the game headers. If there are no Elo rating tags, you >>can set it to whatever you want. > >If I understand correctly it reads a pgn file. > >In most games that are played in tournaments in Israel no pgn is saved but only >the results(the players write the game but nobody has the time to take the >scoresheet of them in order to save pgn). > >Uri Note also that for some reason your links do not work for me: ftp://cap.connx.com/pub/tournament_software/USCF.C ftp://cap.connx.com/pub/tournament_software/USCF.H I get an error even if I try only ftp://cap.connx.com/pub Uri
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.