Editing Elo rating system (section)

=== Video games and online games ===
Many video games use modified Elo systems in competitive gameplay. The [[Multiplayer online battle arena|MOBA]] game [[League of Legends]] used an Elo rating system prior to the second season of competitive play.<ref>{{cite web|url=http://na.leagueoflegends.com/learn/gameplay/matchmaking|title=Matchmaking &#124; LoL – League of Legends|date=2010-07-06|publisher=Na.leagueoflegends.com|access-date=2012-02-19|archive-date=2012-02-26|archive-url=https://web.archive.org/web/20120226001928/http://na.leagueoflegends.com/learn/gameplay/matchmaking|url-status=live}}</ref> The [[Esports]] game ''[[Overwatch (video game)|Overwatch]]'', the basis of the unique [[Overwatch League]] professional [[Professional sports league organization|sports organization]], uses a derivative of the Elo system to rank competitive players with various adjustments made between competitive seasons.<ref>{{cite web |url=https://playoverwatch.com/en-us/blog/21363037|title=Welcome to Season 8 of competitive play |website=PlayOverwatch.com |publisher=Blizzard Entertainment|access-date=11 March 2018|archive-date=12 March 2018|archive-url=https://web.archive.org/web/20180312144148/https://playoverwatch.com/en-us/blog/21363037|url-status=live}}</ref> ''[[World of Warcraft]]'' also previously used the [[Glicko rating system|Glicko-2]] system to team up and compare Arena players, but now uses a system similar to Microsoft's [[TrueSkill]].<ref>{{cite web|date=2011-12-14|title=World of Warcraft Europe -> The Arena|url=http://www.wow-europe.com/en/info/basics/arena/index.html|url-status=dead|archive-url=https://web.archive.org/web/20100923213409/http://www.wow-europe.com/en/info/basics/arena/index.html|archive-date=2010-09-23|access-date=2012-02-19|publisher=Wow-europe.com}}</ref> The game ''[[Puzzle Pirates]]'' uses the Elo rating system to determine the standings in the various puzzles. This system is also used in FIFA Mobile for the Division Rivals modes. Another recent game to start using the Elo rating system is ''[[AirMech]]'', using Elo<ref>{{cite web |url=https://www.carbongames.com/forums/viewtopic.php?p=83043#p83043|title=AirMech developer explains why they use Elo|access-date=January 15, 2015|archive-date=February 17, 2015|archive-url=https://web.archive.org/web/20150217215610/https://www.carbongames.com/forums/viewtopic.php?p=83043#p83043|url-status=live}}</ref> ratings for 1v1, 2v2, and 3v3 random/team matchmaking. ''[[RuneScape|RuneScape 3]]'' used the Elo system in the rerelease of the bounty hunter minigame in 2016.<ref>[http://services.runescape.com/m=news/design-doc--bounty-hunter--deathmatch-pvp?acq_id=3001]{{Dead link|date=April 2017}}</ref> ''[[Mechwarrior Online]]'' instituted an Elo system for its new "Comp Queue" mode, effective with the Jun 20, 2017 patch.<ref>{{cite web |url=https://mwomercs.com/news/2017/06/1839-patch-notes-14120-20jun2017|title=MWO: News|website=mwomercs.com|access-date=2017-06-27 |archive-date=2018-08-27|archive-url=https://web.archive.org/web/20180827174110/https://mwomercs.com/news/2017/06/1839-patch-notes-14120-20jun2017|url-status=live}}</ref> ''[[Age of Empires II: Definitive Edition|Age of Empires II DE]]'' and  ''[[Age of Empires III: Definitive Edition|Age of Empires III DE]]'' are using the Elo system for their Leaderboard and matchmaking, with new players starting at Elo 1000.<ref>{{Cite web |url=https://www.ageofempires.com/stats/ageiide/ |title=Age of Empires II: DE Leaderboards - Age of Empires |date=14 November 2019 |access-date=27 January 2022 |archive-date=27 January 2022 |archive-url=https://web.archive.org/web/20220127170906/https://www.ageofempires.com/stats/ageiide/ |url-status=live}}</ref> Competitive [[Classic Tetris]] ([[Tetris]] played on the [[Nintendo Entertainment System]]) derives its ratings using a combination of players' [[Personal_record | personal best scores]] and a highly modified Elo system.<ref>{{cite web |url=https://listfist.com/list-of-the-best-tetris-players-in-the-world-nes-ntsc|title=List of the Best Tetris Players in the World (NES NTSC)
|date=27 October 2020
|access-date=July 15, 2024}}</ref>

Few video games use the original Elo rating system. According to [[Lichess]], an online chess server, the Elo system is outdated, with Glicko-2 now being used by many chess organizations.<ref>{{cite web |title=Frequently Asked Questions: ratings |url=https://lichess.org/faq#ratings |website=lichess.org |access-date=2020-11-11 |archive-date=2019-04-02 |archive-url=https://web.archive.org/web/20190402042835/https://lichess.org/qa/55/how-old-is-lichess#ratings |url-status=live}}</ref> [[PlayerUnknown's Battlegrounds|''PlayerUnknown’s Battlegrounds'']] is one of the few video games that utilizes the very first Elo system. In ''[[Guild Wars]]'', Elo ratings are used to record guild rating gained and lost through guild-versus-guild battles. In 1998, an online gaming ladder called ''Clanbase''<ref>{{cite web |url=http://clanbase.com/ |title=Wayback Machine record of Clanbase.com |archive-url=https://web.archive.org/web/20171105073119/http://www.clanbase.com/ |archive-date=2017-11-05 |url-status=dead |access-date=2017-10-29}}</ref> was launched, which used the Elo scoring system to rank teams. The initial K-value was 30, but was changed to 5 in January 2007, then changed to 15 in July 2009.<ref>{{cite web|url=http://wiki.guildwars.com/wiki/Guild_ladder |title=Guild ladder|publisher=Wiki.guildwars.com|access-date=2012-02-19|archive-url=https://web.archive.org/web/20120301192358/http://wiki.guildwars.com/wiki/Guild_ladder|archive-date=2012-03-01|url-status=dead}}</ref> The site later went offline in 2013.<ref>{{cite web|url=http://clanbase.org/|title=Clanbase farewell message|access-date=2017-10-29|archive-date=2013-12-24|archive-url=https://web.archive.org/web/20131224094122/http://clanbase.org/|url-status=live}}</ref> A similar alternative site was launched in 2016 under the name ''Scrimbase'',<ref>{{cite web|url=https://scrimbase.com/about|title=Scrimbase Gaming Ladder|access-date=2017-10-29|archive-date=2017-10-30|archive-url=https://web.archive.org/web/20171030003609/https://scrimbase.com/about|url-status=live}}</ref> which also used the Elo scoring system for ranking teams. Since 2005, ''[[Golden Tee Golf|Golden Tee Live]]'' has rated players based on the Elo system. New players start at 2100, with top players rating over 3000.<ref>{{cite web|url=http://www.goldenteefan.com/statistics/player-rating-handicap/|title=Golden Tee Fan Player Rating Page |date=26 December 2007|access-date=2013-12-31|archive-date=2014-01-01|archive-url=https://web.archive.org/web/20140101102859/http://www.goldenteefan.com/statistics/player-rating-handicap/|url-status=live}}</ref>

Despite many video games using different systems for [[matchmaking (video games)|matchmaking]], it is common for players of ranked video games to refer to all matchmaking ratings as ''Elo''.