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1、DEPOSITBONUSESTOGETSTARTEDFullTiltPoker(100%DepositBonusupto$600)PlayOnlinePokerCakePoker(110%DepositBonusupto$600)WilliamHill(100%DepositBonus&$120,000RakeRace)PrestigeCasino($1,500inFREESpinsNoDepositNeeded)PokerStrategy($50usdStartingCapitalFREENoDepositNeeded)WilliamHillBingo($40usdFRE
2、EToStartPlayingNoDepositRequired)AnInvestigationofanAdaptivePokerPlayerGrahamKendallandMarkWilldigTheUniversityofNottingham,SchoolofComputerScience&IT,JubileeCampus,WollatonRoad,NottinghamNG81BB,UKgxk@cs.nott.ac.uk,Mark.Willdig@siemenscomms.co.ukAbstract:Otherworkhasshownthatadaptivelearni
3、ngcanbehighlysuccessfulindevelopingprogramswhichareabletoplaygamesatalevelsimilartohumanplayersand,insomecases,exceedtheabilityofavastmajorityofhumanplayers.Thisstudyusespokertoinvestigatehowadaptationcanbeusedingamesofimperfectinformation.Aninternallearningvalueismanipulatedwhichallowsapo
4、kerplayingagenttodevelopitsplayingstrategyovertime.Theresultssuggestthattheagentisabletolearnhowtoplaypoker,initiallylosing,beforewinningastheplayersstrategybecomesmoredeveloped.Theevolvedplayerperformswellagainstopponentswithdifferentplayingstyles.Somelimitationsofpreviousworkareovercome,
5、suchasdealrotationtoremovethebiasintroducedbyoneplayeralwaysbeingthelasttoact.Thisworkprovidesencouragementthatthisisanareaworthexploringmorefullyinourfuturework.1.IntroductionGameplayinghasalongresearchhistory.ChesshasreceivedparticularinterestculminatinginDeepBluebeatingKasparovin1997,al
6、beitwithspecializedhardware(Hamilton,1997)andbruteforcesearch.However,althougharguably,beinga‘solvedgame’chessstillreceivesinterestasresearchersturntoadaptivelearningtechniqueswhichallowcomputersto‘learn’toplaychess,ratherthanbeing‘told’howitshouldplay(Kendall,2001).Adaptivelearningwasbein
7、gusedforcheckersasfarbackasthe1950’swithSamuel’sseminalwork(1959,re-producedinSamuel,2000).CheckersresearchwouldleadtoJonathanSchaefferdevelopingChinook,whichclaimedtheworldtitlein1994(Schaeffer,1996).LikeDeepBlue,itisarguableifChinookusedAItechniques.Chinookh