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Stacks - Bob 2012, Terry 2567, Billy 6720, Hero 4555, Englebert 1020, Jesus 967
Englebert posts sb 50
Jesus posts bb 100
Hero is BU and is dealt AKo
1 fold, Terry raises to 250, 1 fold, hero?
Ok, now we look at Terry's stats (and any notes). Turns out he's 19/16. We now ask ourselves what he could raise with. We put him on a raising range. Let's say for argument's sake he does this with 66+ JTo+ A5s+ ATo+, which is around the top 16% of hands. We have equity against this range of 61%, which means, if this range is accurate, our all-in-equity is 61%, that is, if we go all in and he calls this entire range, we win 61% of the time. Of course, he doesn't call his entire range to all in, so we don't go all in, because his calling range is much tighter to an all-in, a range that we would not have 61% against.
Hero raises to 750, 2 folds, Terry raises to 2567 and is all in
Ok, now we adjust his range, because there's a lot of hands he could 2bet with that he would then fold to a 3bet. We remove hands from the raising range, we do not add any. It doesn't make sense to give him, say 44 when he shoves if he can't have it when he raises. If he has it when he shoves, the previous range was wrong.
So now we give him a 4bet shove range. Let's say we got tons of notes on him and we know he only calls AQ and 99/88, folds AJ, other broadways and aces and 77-worse, and shoves the rest. That gives him a 4bet shove range of TT+ AK. We have equity against this range of 40%. We then either call or fold based on the equity compared to the pot odds. More on this here http://www.flopturnriver.com/pokerfo...ll-173396.html
That's the point of putting people on ranges. It allows us to make mathematically sound decisions, the more accurate the range, the more accurate our response.
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