Author: Dann Corbit
Date: 15:43:09 01/22/01
Go up one level in this thread
On January 22, 2001 at 17:53:10, Paulo Soares wrote: >Jeff Lischer taught me the standard formula for the >win expectancy (We) for a program x to win a >program y, below placed: > >We = 1/(1 + 10^((delta rating)/400)) >where (delta rating) = rating y - rating x > >I remember another formula that considered a certain error >margin. I am almost sure that that formula was already shown >here several times for some people, perhaps Dann Corbitt, >Bruce Moreland or Uri Blass? >Does anybody remember that other formula? Here is (primitive) code for ELO calculations: ftp://cap.connx.com/pub/tournament_software/ Here is an explation of the ELO calculation (follow the links): http://dspace.dial.pipex.com/town/terrace/xlw93/ratings/rating02.shtml See also: http://www.cwi.nl/~jansteen/go/rating/elo.html and: http://www.lobocom.es/~ebailen/celo.html#en and especially: http://www.vog.ru/ratings/elodetails.phtml Tangential, but worth reading: http://www.geocities.com/TimesSquare/Hangar/5176/internet/ratings.htm REALLY GOOD explanation in detail of some inner workings: http://www.eskimo.com/~miyaguch/MCReport/mcreport4.html USCF Rules: http://www.uschess.org/ratings/info/system.html Scottish Rules: http://www.users.globalnet.co.uk/~sca/scainfo/gradeexp.htm http://members.aol.com/norfolkchess/sca.htm Here is a theoretically sound alternative ranking system: http://www.brainiac.com/royjones/index.htm Another work along these lines, but not as thorough: http://rhip.phys.utk.edu/Ranking/Documentation/rankingofsportsteamsv01.html HTH.
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.