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Old 04-01-2007, 06:16 PM
jay_shark jay_shark is offline
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Join Date: Sep 2006
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Default Re: Help...vvv basic EV calc

After the button raises on the flop , you can either fold , call or re-raise . Your EV for folding is 0 . If you shove knowing that your opponent will call 100% of the time as a 52-48 favorite , then your EV for shoving is

(100-3.5 + preflop money )*0.48 -(100-3.5)*52 = 0.22

preflop =8.5

Remember that once you put money into the pot it's not yours anymore . So clearly , if we know that villain will call every time as a 52-48 favorite , then it's still correct to shove all in since there is already some preflop money to defend . The additional 8.5 is added compensation to make up for being a slight underdog .

Also notice that (96.5+8.5)/96.5 =1.0888:1 which is equivalent to 1/(2.0888) = 47.89% which means you have a positive expectation situation . I think this method is much easier to understand than the first method .
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