What do you have default calling range vs BU unknow player steal you are SB? (no others player)

AT-AQ, KTs-KQs, KQ, 77-JJ... I think this is pretty good but would like to hear others opinion.

I prefer to not call in the SB except with a very narrow range because it encourages the BB to come along for a MW pot. I pretty much only flat PPs or a big hand like AA/KK/QQ/JJ/AK, if I feel that the BB will squeeze a ton. (Like 95% of the time). Otherwise, I am going to 3bet almost my entire range of hands that I would play from the SB.

ATCWIZ

Dont flat from SB unless BB is a drooler, in which case you want him to come along so flatting can be fine.

All good and well, but if you consider that the people at the stakes you play(assuming it's micros) don't really squeeze much you should and probably could flat very wide from the SB. A lot wider than only PPs and JJ+/AK btw.

flat hands which play well oop and against multiple people such as KTs, QJs type hands seem like good candidates to me. Hands with high card stregth play well oop and hands with straight and flush possibilities play well multiway.

i think the only reason to not have a SB flatting range is that you think it makes up a small part of your range, it's easier to just not have one and that the EV difference between 3-betting and flatting is little. but the idea that theoretically it is correct to not have a 3-bet range, I think is almost certainly wrong.

my default calling range is JJ-22, AQs-AJs, AQo-AJo, and maybe KQ so i understood i should look on the player who seat on BB - and if there a player who often squeeze then (on micro will not happen often) my range can be only AQ? AK i 3bet vs unknow BU and AJ,KQ will fold? or go to call with plan call squeeze...?

and what if is on BB a fish who call much often? Then really i dont know what do, if i call KQ,AJ-AQ then i have a quitely problem in mw pot. So what do with type hands? or do you think i have good odds to profitable fit/fold game...?

I was gonna pretty say exactly this.

I am not sure where this paranoia for getting squeezed comes from.

I find at nl50 (FR!) people do, in fact, squeeze a ton from the BB

The rationale for not flatting from the big blind comes from playing against aggro opponents that realize neither your flatting range from the SB nor the BTN's steal range is very strong. Better opponents will squeeze this a ton once you get to 25NL and above.

While it is "possible" to be flatting a wider range vs opponents at the lower stakes, you must consider the very real possibility that you are ingraining habits that will not serve you well once you move up in stakes.

You can figure this out for yourself by going into your HEM/PT database and filtering for when you flat called in the SB vs a BTN steal and remove all of the 99+AK,AQ,AJs, KQ hands.

Take the total $won number (preferably in bbs) and divide that by the number of hands. This will give you your per hand average. Your goal is to be more profitable than outright folding would have been. Since folding equates to -0.5 bbs per hand, that is the number you have to be better than. This will tell you how YOU play in that spot flat calling marginal hands against YOUR opponents and is a much better indicator than the theoretical answers being given here. Just because I would 3bet certain hands and Mzbourg would flat them, neither is a reason for you to play it that way. Dig into your own database and see what is most profitable against your opponents. Do the same, but filter for 3betting those marginal hands instead. Let us know what answers you come up with.

ATCWIZ

For the filer you mentioned, I ran it with coldcall=true, and excluded AA/KK/AK. I come out with -100 bb/100 over a 65 hand sample.

Run it the same when 3bet=true, excluding AA/KK/AK, I come out with +185/100 bb/100 over 51 hand sample. This is at NL25, with me 3betting sb overall at 4%.

ATCWIZ, so I think generally this proves you point about 3betting more from Sb. However I would add, my poor winrate when I flat maybe down to playing a bit to fit and fold postflop, but that is just my subjective thought, can't really filter for that.

Also, I tried to see how often I get squeezed by Bb. I ran the filter did call=true, and then faced 3bet=true, and I come with zero hands. That seems like a squeeze, so still don't think we are getting squeezed often at NL25.

You may not be getting squeezed. This may be due to site selection, and seat and opponent selection. I know that I often play with aggro players to my left because the fish are to my right and I get squeezed often in this spot.

We should all be looking more at our own databases and our own opponents for answers. There may be a serious difference in the styles of opponents you face as compared to the ones that I do that will seriously skew your results. YMMV as they say. Don't do or not do anything you read on here without first comparing it to your own database and see if it makes sense and is profitable for YOU and the specific opponents you see every day.

ATCWIZ

Jaypatel33- if you are losing -100bb/100 by flatting, then you are losing double what you would be if you just folded those hands. SB losses are -0.5bbs per hand and -50bbs per 100. At FR, we are in the SB 11 times out of every 100 hands, that equates to a loss rate of -5.5bbs/100! At 6max, we are in the SB 16 times out of every 100 hands and an additional -0.5bbs per hand works out to a -8bbs/100 leak! Of Course that assumes that we flat call each and every time from the SB. It is more likely that it is realistically between a -0.5 and -1.25bb/100 leak since we do not flat call every single time from the SB.

As far as not playing well OOP post-flop, that is something that few players do well. You cannot play fit/fold from the SB and expect to be profitable. You need to have a plan to take the pot away post-flop. There are a multitude of lines that you can take that will mitigate the positional disadvantage in this specific spot, but that would be beyond the scope of this post.

ATCWIZ

Thats my result hope i did well, but idk if 66 hand is good sample to do decides. I need very very hands in hem for filter more hand in this situaton:

So if im in +, then teoretic have a good flatting range on SB?


but you have true with what you said especielly this thanks: