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You and your friend have been sitting at the same poker table for 10,000 hours. You calculate your EV and discover that it is exactly 1 BB/hr. Your standard deviation is exactly 20 BB/hr. Your friend does the same and discovers that his EV is exactly 1 BB/hr and his standard deviation is exactly 20 BB/hr.
Your strategy has a random component while your friend's is fixed. That is to say, in exactly the same situation you will vary your play while your friend will always play the same way. For example, you might limp with AA or raise while your friend will always raise. Question: Which strategy is more valuable? I think that your strategy is more valuable than your friend's even though the EV and standard deviation are identical. Your strategy is more valuable because the random component means that it is less likely to be cracked and exploited by an opponent than your friend's fixed strategy. So although the EV/standard deviation over the past 10,000 hours are identical, the EV/standard deviation over the next 10,000 hours will favor your strategy. I looked to see if this concept existed in other areas and found something similar in finance where they distinguish between ex post (after the fact) results and ex ante (before the fact) strategy. If you go to a financial advisor and he tells you to invest your money in a broad cross-section of passive index funds and you point out to him that if you had invested all of your money in gold funds at the beginning of last year you would've made a killing he might say, "You are confusing ex post results with ex ante strategy. Just because concentrating all of your assets in one category produced the best ex post results that doesn't mean that is the best ex ante strategy. If you were to put all of your money in gold funds now that would be a huge mistake." In finance there is a lot of research on what the best ex ante strategy is while in poker there is relatively little so the emphasis in poker is often on selecting the strategy with the best ex post results. But the line of thinking given above argues that randomness is an intrinsically good ex ante property of a poker strategy. If randomness is in fact preferred then the obvious question is: How much more would you pay for the random strategy? Suppose for example that your random strategy had an EV of 0.9 BB/hr while your friend's had an EV of 1 BB/hr. Would you still prefer your strategy? ==> Comments on Comments Homer J. Simpson says that the purpose of metaname's strategy is to show how worthless the PokerPages goal is and asks why I continue to pursue this goal. I want to see if I can adapt to the play of a particular table, something that is supposed to be a valuable skill in poker. The fact that the PokerPages style will not help me with real money is unfortunate but it does not eliminate the primary purpose of the goal. In my last Chronicles I reported that I paid $10 for Dynasty's steak. Dynasty says that his steak dinner cost $19. Both statements are correct. My friend and I split the cost of Dynasty's order. ==> Goal Update Last week I spent 17 hours on poker: 12 hours in PokerPages tournaments and five hours on 2+2. I have spent a total of $476.43 out of my $1000 budget. An update on each of the four goals (which are to be accomplished by 3/30/03): 1. Read and study Jones' "Winning Low Limit Hold 'Em" I have confirmed 2 1/3 out of the three points I need to achieve this goal. A point (flush draw value bet) is pending an analysis of 10,000 hands. 2. Beat Acespade Goal Completed on 11/5/02. Over a period of 100 hours (3600 hands) I beat Acespade's best lineup at the rate of over 4 BB/hr. 3. Beat Masque World Series of Poker Goal Completed on 11/17/02 4. PokerPages 85% rating in one calendar month playing 20 tournaments My PokerPages rating collapsed this past week. My rating is currently 75.68%. I played in six tournaments and finished #13 out of 185, #119 out of 135, #85 out of 133, #109 out of 209, #146 out of 202, and #82 out of 117. |
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