Say we have a hand like A3o in the SB. It fold to us. The BB is someone who always limps and never raises. And we have very little fold equity because they call more than 50% of the time. Should we just limp or is better to raise or fold?

Raise good hands to get more money from the villain. Limp bad hands. Good luck.

Its infinite odds problem. You limp you give infinite odds. BB could quad mine for +EV. So, it becomes what flop is good enough versus atc holdings by the BB. Best to just raise or fold, imho.


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In GTO there is definitely a limp range BvB.
In game we can use raise most and only adjust to BBs who often 3b, limp range is usefull against them.
Btw folding Ax BvB is a crime

Agreed. GTO loves flop analysis versus atc calculation. As for humans, i would play as you suggest, and only limp versus imbalanced BB.


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Depends on what their postflop weaknesses are. Sounds to me like you are playing a whale.

Generally speaking you want to raise anyways and with a wide range since they are likely making a lot of mistakes post flop and you gain EV by increasing depth pre and the EV sacrificed by raising a wider range is less than the EV gained by opponent postflop weakness this is also due to the fact he's likely not punishing your opens enough with 3b. So opening hands that would otherwise fold to 3b 100% of time are now realizing their equity very often (and over realizing since he is bad)

Raise pre >50% of hands

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As for limping more vs. people who 3b "a lot" it would be OK, but realize that "a lot" is probably more than what you think. A solid BB strategy is going to be 3bing the SB 16-20% of the time.

Limping BvB has recently become a larger trend. You don't always have to have a weak holding to limp on the SB, it could also be used as a 3bet jam spot with value hands.

This. Well said.

to answer exactly the question posed can we open limp SB vs a loose passive BB?

YUP.

A3o? Could make an argument for raising or for limping vs this opponent. If he is defending a lot but not all of his hands you will have some fold equity which is good because your hand doesn't play too good and you are OOP so taking it down is good.
You could also just limp because the hand is just not so good and hope to play better post flop than your opponent.

I think raising A3o vs a stationy player is a double edged sword. You will be condensing his range post flop more toward hands you don't want to play against and just knock the hands out that you actually don't mind playing flops with.

I think I would raise if villain plays fit or fold post flop and/or if he gets very sticky with a lot of hands and you can value town him when you hit a flop.

If you know villain will fold a lot on the flop you may as well just raise because you may get the fold pre-flop and if not it's almost like you are value betting because you are building a pot that you are a favorite to win on the flop and if you do smash a flop against a fit or fold straight forward player you can get a lot of money in as a favorite so there's not a lot of downside

I guess it depends on; how often the raise gets thru pre-flop, how often villain 3 bets you and folds you out, how often villain folds vs c-bet, and how sticky he gets when he does hit the flop.