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== History ==
=== Internet Chess Server ===
In January 1992, Michael Moore of the [[University of Utah]] and Richard Nash started the first online service facilitating live chess games, the [[Internet Chess Server|American Internet Chess Server]] (commonly known as the Internet Chess Server or ICS). The initial release, accessible via [[telnet]], was hosted at the [[University of Utah]], but over its first two years it moved repeatedly across American universities, with additional servers opening and connecting to each other through Nash's Internet Ratings Server.<ref name="Petroff-2009">{{Cite web |last=Petroff |first=Chris |date=5 March 2009 |title=History of the Internet Chess Server – Part I |url=http://members.cox.net/cpetroff/FICS/ |url-status=dead |archive-url=https://web.archive.org/web/20100313150500/http://members.cox.net/cpetroff/FICS/ |archive-date=13 March 2010 |access-date=10 May 2010}}</ref><ref name="fics10year"/><ref name="Doggers-2024">{{Cite book |last=Doggers |first=Peter |title=The Chess Revolution: From the Ancient World to the Digital Age |publisher=Puzzlewright |year=2024 |isbn=9781454959243}}</ref> The software was coded, supported, and operated by volunteers. [[Daniel Sleator]], professor of computer science at [[Carnegie Mellon University]], took over operation in July 1992 and improved the code. One of his primary contributions was a mechanism to adjust clock times for the effects of internet lag. He announced plans to commercialize the service, copyrighted the code in 1994, and rebranded it as the [[Internet Chess Club]] (ICC) in 1995, charging membership fees.<ref name="Stone-2006">{{Cite web |url=http://www.edcollins.com/chess/fics-icc.htm |title=Pawns Call King a Rook |first=Brad |last=Stone |access-date=10 May 2010 |date=11 May 2006 |archive-date=28 September 2010 |archive-url=https://web.archive.org/web/20100928230044/http://edcollins.com/chess/fics-icc.htm |url-status=live }}</ref><ref name="The Chicago Chess Player-1995">{{Cite web |date=November 1995 |title=Trapped in the (Inter) Net |url=https://www.chicagochessleague.org/cicl/bulls/history/Yr1995_96/Nov1995.pdf |website=The Chicago Chess Player |access-date=24 November 2024 |archive-date=10 May 2005 |archive-url=https://web.archive.org/web/20050510030854/http://www.chicagochessleague.org/cicl/bulls/history/Yr1995_96/Nov1995.pdf |url-status=live }}</ref>
Sleator's decision to commercialize the ICS was controversial, outraging members who felt the internet should be free and open, or who simply did not want to pay for a service which had been free.<ref name="Hurst-1999">{{Cite book |last=Hurst |first=Sarah |title=Chess on the Web |publisher=Batsford |year=1999 |isbn=9780713485776}}</ref><ref name="The Chicago Chess Player-1995" /> According to journalist Brad Stone, "players lost their tempers and were exiled from the server, opposition groups were formed, lawsuits were threatened, ICC administrators were harassed, and plans to erect alternative servers were formed".<ref name="Stone-2006" /><ref name="Doggers-2024" />
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=== Development of a free alternative ===
[[File:FICS telnet login.png|thumb|FICS login screen]]
Several former ICS programmers saw the move as exploiting their work and, on the day its rebranding was announced, they created a mailing list focused on developing an alternative. Work had been in progress, using Nash's original code, since Sleator initially revealed his commercialization plans.<ref name="Petroff-2009" /><ref name="The Chicago Chess Player-1995" /> Several developers contributed, led by Nash, Henrik Gram, David Flynn, and Chris Petroff. The effort led to servers in several places around the world and in the United States, with the latter consolidating to form the Free Internet Chess Server (FICS), launched on 5 March 1995.<ref name="Petroff-2009" /><ref name="The Chicago Chess Player-1995" /><ref name="fics10year">{{Cite web |url=http://www.freechess.org/Events/Anniversary/2005/index.html |title=FICS 10th Anniversary Celebrations
=== Growth and rivalry with ICC ===
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== Usage ==
[[File:Partida no FreeChess.png|thumb|A chess game on FICS using the Jin interface]]
FICS is accessible via [[telnet]] and was text-only by default. Before graphical interfaces, users would see a board created by [[ASCII]] characters, with the lines of the board created by [[Hyphen|hyphens]] and [[Vertical bar|pipes]], and pieces represented by letters.<ref name="Doggers-2024" /> Whereas ICC has dedicated, proprietary graphical interfaces, several have been developed for FICS, with none having official status. The earliest were XICS and [[XBoard]], with subsequent programs including [[XBoard|WinBoard]], BabasChess, Jin, Thief, Raptor, eboard, [[PyChess]], and JavaBoard.<ref name="Fernández Slezak-2010">{{Cite journal |last1=Fernández Slezak |first1=Diego |last2=Etchemendy |first2=Pablo |last3=Sigman |first3=Mariano |date=2010 |title=Rapid chess: A massive-scale experiment |url=https://sedici.unlp.edu.ar/handle/10915/152631 |journal=High-Performance Computing Symposium (HPC 2010) |language=en |archive-date=10 September 2024 |access-date=24 November 2024 |archive-url=https://web.archive.org/web/20240910175016/http://sedici.unlp.edu.ar/handle/10915/152631 |url-status=live }}</ref> Though built with pre-web technology, which typically requires a dedicated client, there are also web-based interfaces. Users can play using an anonymous guest account or register for an account with a username. Registered users can play games rated using the [[Glicko rating system]], with separate ratings based on time control and chess variant.<ref>{{Cite web |author=vek/glickman |title=Vek-splanation of the Glicko Ratings System |url=http://www.freechess.org/Help/HelpFiles/glicko.html |access-date=10 May 2010 |archive-date=25 June 2010 |archive-url=https://web.archive.org/web/20100625235115/http://www.freechess.org/Help/HelpFiles/glicko.html |url-status=live }}</ref>
Once connected, discussion takes place in a wide number of function-specific or subject-specific chat channels numbered 0 through 255. For example, channel 0 is for administrators only, 1 is for general help, 50 is general chat, and 49 is for tournaments. Though based in the US, FICS, like the ICS before it, was notable for its international diversity. Early descriptions of using the servers highlight playing against and talking with people from around the world, which was a rare experience in the 1990s.<ref name="Doggers-2024" />
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=== Relay ===
FICS relays major live chess events. A bot takes the moves in ongoing games and relays them to special demo accounts bearing the names of players in the event. Users watch and comment on the games in progress. The relay has covered several [[World Chess Championship|World Chess Championships]] as well as [[Tata Steel Chess Tournament|Wijk aan Zee]], [[Morelia-Linares]] and [[Amber Melody]].<ref name="Hurst-1999" /><ref>{{Cite web |title=Free Internet Chess Server Relays |url=https://www.freechess.org/Events/Relay/index.html |access-date=16 January 2025 |website=Free Internet Chess Server |archive-date=12 April 2024 |archive-url=https://web.archive.org/web/20240412221926/https://www.freechess.org/Events/Relay/index.html |url-status=live }}</ref> The web-based [[Lichess]] platform obtains its tournament relays via FICS.
=== Archive ===
All games played by registered users are recorded and made publicly available for free. The FICS game archive has been used in [[chess opening]] studies,<ref>{{Cite web |last=Kennedy |first=Rick |date=20 December 2015 |title=The Jerome Gambit: Lots of Practice, Some Theory |url=https://jeromegambit.blogspot.com/2015/12/lots-of-practice-some-theory.html |access-date=16 January 2025 |website=The Jerome Gambit |archive-date=23 November 2023 |archive-url=https://web.archive.org/web/20231123032518/https://jeromegambit.blogspot.com/2015/12/lots-of-practice-some-theory.html |url-status=live }}</ref> academic studies on memory,<ref>{{Cite journal |last1=Nagy |first1=David G. |last2=Török |first2=Balázs |last3=Orbán |first3=Gergő |date=15 October 2020 |title=Optimal forgetting: Semantic compression of episodic memories |journal=PLOS Computational Biology |language=en |volume=16 |issue=10 |pages=e1008367 |doi=10.1371/journal.pcbi.1008367 |doi-access=free |issn=1553-7358 |pmc=7591090 |pmid=33057380|bibcode=2020PLSCB..16E8367N }}</ref> decision-making,<ref>{{Cite journal |last1=Slezak |first1=Diego Fernandez |last2=Sigman |first2=Mariano |last3=Cecchi |first3=Guillermo A. |date=2 March 2018 |title=An entropic barriers diffusion theory of decision-making in multiple alternative tasks |journal=PLOS Computational Biology |language=en |volume=14 |issue=3 |pages=e1005961 |doi=10.1371/journal.pcbi.1005961 |doi-access=free |issn=1553-7358 |pmc=5851639 |pmid=29499036|bibcode=2018PLSCB..14E5961F }}</ref><ref name="Fernández Slezak-2010" /> and user interface design.<ref>{{Cite book |last1=Picussa |first1=Juliano |last2=Garcia |first2=Laura S. |last3=Bueno |first3=Juliana |last4=Ferreira |first4=Marica V. R. |last5=Direne |first5=Alexandre I. |last6=de Bona |first6=Luis C. E. |last7=Silva |first7=Fabiano |last8=Castilho |first8=Marcos A. |last9=Sunye |first9=Marcos S. |chapter=A user-interface environment solution for an online educational Chess server |date=June 2008 |title=2008 Second International Conference on Research Challenges in Information Science |chapter-url=http://dx.doi.org/10.1109/rcis.2008.4632106 |publisher=IEEE |pages=179–186 |doi=10.1109/rcis.2008.4632106|isbn=978-1-4244-1677-6 }}</ref> The server and its archive have been used to train [[Chess engine|chess engines]] and chess-related [[machine learning]] projects,<ref>{{Cite journal |last1=Cheng |first1=Isaac |last2= |date=2023 |title=Machine Learning to Study Patterns in Chess Games [thesis] |url=https://doi.org/10.13140/RG.2.2.30894.52807 |journal=[[University of Exeter]] |language=en |doi=10.13140/RG.2.2.30894.52807}}</ref> while the FICS code has been used to launch similar regional or thematic chess servers as well as influencing the design of other chess projects.<ref name="Bouman-2012">{{Cite web |last=Bouman |first=Egbert |date=2012 |title=Tribler-G: A Decentralized Social Network for Playing Chess [Master's Thesis] |url=https://egbertbouman.github.io/tribler-g/publications/Tribler-G%20A%20Decentralized%20Social%20Network%20for%20Playing%20Chess%20Online%20(MSc%20thesis).pdf |website=Delft University of Technology}}</ref>
== See also ==
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