Author: Dann Corbit
Date: 16:38:11 04/11/05
Go up one level in this thread
On April 11, 2005 at 19:35:34, Uri Blass wrote: >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 Try the command line ftp client or ws_ftp32
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