题目内容：
听音频，回答题 Doyouthinkofyourselfasabitofanexpertatboardgameslike26orGo?
Maybeyou'renotquiteasgoodasyouthink.NewresearchfromtheUniversityofManchesterandtheUniversityofOxford27complexgamesliketheseareimpossibletolearnfully.Theymightevenbetoocomplexforthehumanmindtounderstand.Researchersstudiedtwo-playergames,totryandunderstandthe28whichpeopleusetomakedecisionsduringthegame.Somegameswithtwoplayersaresimple,withonlyasmallnumberofpossible29.Playersquicklyworkoutthebeststrategybutthat30thegamesoonbecomesboring.Itgetsmoreinterestingwhentherearemanypossiblemoves.That'swhypeopleareso31complexgameslikechess,orthe32gameGo,orsomecardgames.Butwhattheresearchersfoundwasthatwithdifficultgames,playersfindithardtoworkoutthebeststrategyandtheiractionsbecomeless33.
Thisresearchispartofthefieldcalledgametheory:thestudyofhumanstrategicdecision-making.Muchthinkingonhowpeopleplaycomplexgamesisbasedonsomethingcalled"theequilibrium(平衡，均衡)point",whichiswhenplayershaveaperfectknowledgeofwhatthey'redoingandofwhattheir34aredoing.Butcomplexgamesmeanpeopledon'thavethisperfectknowledge,anditcanmaketheirplayingseemchaoticandhardto35.Whenyouaddmorethantwoplayersthenofcoursethegamebecomesevenhardertounderstand.
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