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 Originally Posted by jaytoi
I think this may have been discussed in the BC before- where OP brought up that they should fold aces pre to an all in because they had 80 % ish equity and needed 85% or something silly like that. Just remember you can never be offered worse than 50% equity in a pot, because bets are always made 1 for 1. So if your calculation is showing anything more than 50% EV needed, you know somethings wrong. Preflop, you need about 48% ish usually depending on stack sizes, to stack off vs an opponents range (because of the additional blind money). If an all in call is around the size of the pot, you only need 33 percent (you are getting 2 to 1- villian is giving you the current pot (1) plus his bet (1) when ever you win, to what you risk (1 also).
Something useful to think about because if we have a PSB behind on the flop for some reason, we have an NFD on a Qxx two tone flop (with AK say), and villian puts us all in, if he has anything less than sets in his range it's probably correct to call ( as we only need 33% vs his range, and flush draw + possibly 6 additional outs- easily 33%).
I disagree on the 48%ish.. and you can need 50%+ in fact I did need 50%+ in a hand where I had 50% and folded, since we have to account for rake. this is a minor point, but I think it is overlooked on marginal hands.. Had a .04 pot AKQJT on the board, 4 suits (ie. no possible flush) villain shoves all in for $1.98 more (i have $2.98 behind or so) so the final pot would be $4.00 - rake. Without accounting for rake, obviously I have 50% EV and 1.98/4.00 = 49.5% needed. EZ call.. But obviously if we're trying to maximize profits we need to account for rake... lets assume 5%.. I think that's what FT takes, don't remember. so our calc is 1.98/(4.00(1-.05)) = 1.98/(4.00-0.20) = 1.98/3.80 = 52.1% EV needed. I fold. Rarely will this make a difference in which is the best play, but occasionally it matters, though this is one of the few situations where we can obviously do this. However, I think when a call is that close, this should be accounted for.
Anyways, that was a rant; irrelevant here, but I think it's useful to express. Edit:: useful preflop as we know rake>blinds in most all in pots.. still need >50%
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