AfterdefeatingKeJie,consideredtheworld’sbestWeiqi,orGoplayerinMay,theartificialintelligence(AI)programAlphaGoannounceditsretirementfromtheChineseancientboardgam
AseniorofficialofChina'sWeiqiAssociation(CWA)saidonSundaythatit'sluckyforbothAlphaGoandWeiqiwhentheymet,whichbroughtthebestineachother.HuaYigang,deputychairmano