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Old 11-16-2007, 02:12 PM
jay_shark jay_shark is offline
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Join Date: Sep 2006
Posts: 2,277
Default Re: ROI in Heads up Sit and go

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After 400 games , you can only determine that you're likely to be within 5 % of your true win-rate . So if you've won 60% , then your true win rate is anywhere from 55% to 65% .

If you want to be within 3% of your true win-rate , then you would need about 1,111 games . So if after 1111 games , your sample win-rate is 60% , then your true win-rate is anywhere from 57% to 63% .

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Isn't it true that the higher your winrate the less sample you need to accurately know your true winrate?

Your statement above does not seem to account for that.

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Chicago , I'm surprised you didn't know this .
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