Tygem

Tygem ({{langx|ko|타이젬바둑}}) is an internet go server owned by South Korean company TongYang Online. Popular in Asia, their website states that over 500 professional Go players use their service.{{cite web|url=http://www.tygemgo.com/ehowto/tygemgo.asp|title=Tygem What We do|publisher=Tygemgo.com|date=|accessdate=28 March 2016}}

Tygem was founded as ICBL by Cho Hun-hyun in 2000, and renamed to Tygem in 2001, invested by Tongyang Group and JoongAng Ilbo.{{cite web|url=http://sports.sina.com.cn/o/20152637.shtml|title=石佛李昌镐投身网络业 与师傅曹薰铉合开围棋网站|publisher=Sina.com|date=20 June 2001|accessdate=28 March 2016|language=Chinese}}

In October 2015, AlphaGo from DeepMind beat the European Go champion Fan Hui five to zero.{{cite web|url=https://www.bbc.com/news/technology-35420579|title=Google achieves AI 'breakthrough' by beating Go champion|author=|date=27 January 2016|work=BBC News|accessdate=16 January 2017}} Eight million positions from human games on the Tygem server were used to train AlphaGo.{{Cite journal|title = Mastering the game of Go with deep neural networks and tree search|journal = Nature| issn= 0028-0836|pages = 484–489|volume = 529|issue = 7587|doi = 10.1038/nature16961|pmid = 26819042|first1 = David|last1 = Silver|author-link1=David Silver (programmer)|first2 = Aja|last2 = Huang|author-link2=Aja Huang|first3 = Chris J.|last3 = Maddison|first4 = Arthur|last4 = Guez|first5 = Laurent|last5 = Sifre|first6 = George van den|last6 = Driessche|first7 = Julian|last7 = Schrittwieser|first8 = Ioannis|last8 = Antonoglou|first9 = Veda|last9 = Panneershelvam|first10= Marc|last10= Lanctot|first11= Sander|last11= Dieleman|first12=Dominik|last12= Grewe|first13= John|last13= Nham|first14= Nal|last14= Kalchbrenner|first15= Ilya|last15= Sutskever|author-link15=Ilya Sutskever|first16= Timothy|last16= Lillicrap|first17= Madeleine|last17= Leach|first18= Koray|last18= Kavukcuoglu|first19= Thore|last19= Graepel|first20= Demis |last20=Hassabis|author-link20=Demis Hassabis|date= 28 January 2016|bibcode = 2016Natur.529..484S| s2cid=515925 }}{{closed access}}