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This is my first player (Markov chain based)
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 nameix_player_m.rb"
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 filenameix_player_m.rb"

class JIXPlayerM < Player
    WIN  :paper :scissors, :rock :paper , :scissors :rock}
    def initialize( opponent )
        @mk
sh.new
        @lastil]*3 # try other values
    end
    def choose
        if !@last[0].nil?
            nodekey  last.map do |i|
                i[0].to_s+"-"+i[1].to_s
            end.join(",")
            @mk[nodekey] KNode.new if !@mk[nodekey]
            @mk[nodekey].choose
        else
            [:paper,:rock,:scissors][rand(3)]
        end
    end
    
    def result( you, them, win_lose_or_draw )
        
        if !@last[0].nil?
            nodekey  last.map do |i|
                i[0].to_s+"-"+i[1].to_s
            end.join(",")
            @mk[nodekey] KNode.new if !@mk[nodekey]
            @mk[nodekey]<< WIN[them]
        end
        @last[0,1]
        @last<< [you,them]

    end
    private
    class MKNode
        def initialize(paperrockscissors
            @paper
per
            @rockck
            @scissors
issors
        end
        def choose
            if @paper+@rock+@scissors 0
                [:paper,:rock,:scissors][rand(3)]
            else
                rnd  and(@paper+@rock+@scissors)
                if rnd < @paper
                    :paper
                elsif rnd < @paper+@rock
                    :rock
                else
                    :scissors
                end
            end
        end
        def <<(x)
            case x
            when :paper
                @paper+            when :rock
                @rock+            when :scissors
                @scissors+            end
        end
        def inspect
            max  paper+@rock+@scissors.to_f
            if max 0
            "#<JIXPlayerM::MKNode --- >"
            else
            "#<JIXPlayerM::MKNode p{#{@paper/max}} r{#{@rock/max}} s{#{@scissors/max}} >"
            end
        end
    end 
end
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