It depends on sizings and frequencies like Broken said, but I think the general rule is that you want/need to have some nutted combos in your range and be able to balance with some bluffs that either reduce/block villain's continuance range, or have robust equity against it. If raising often would mean that your flatting range ends up too weak/capped, then that will limit your scope for raising.
Quote:
Originally Posted by mongoose0141
I have an understanding of this topic when it comes to extreme examples. For example, if we call the BB facing an UTG open, we probably won't have a raising range on a AcQsTd flop.
You
could have a raising range in that spot, because you've got KJ, TT, AQ, QT in your range, and you can balance with some Jx. You also don't want to do too much calling down when OOP, as it doesn't maximise value of your strongest hands, and obviously you can't bluff by pressing CALL.
Quote:
Originally Posted by mongoose0141
But let's say we call a CO open from the BTN, and the flop comes JsTc5s. Do we want to have a raising range on this board? We can't have JJ or TT because we didn't 3bet pre, and the BTN can still have both of those hands. Our only very strong hands here are JTs (2 combos) or 55 (3 combos). On this kind of board, should we have a very small raising range, with our few very strong hands and a few very strong bluffs (9s8s)? Or should we not have a raising range on this board, so that we can protect our flop calling range on a board that favors our opponent?
I have some combos of JJ/TT in that spot, but I don't have 55, so I can raise some of the sets and JTs, and balance with combo draws like AQss. If your range is different, then you might not want to raise anything. I'll re-iterate that it depends how often villain is c-betting and the size he chooses (and the size
you choose if you raise).
Tbh, I think you can build a raising range on almost every flop if your pre-flop range is "good". Just be less likely to raise on the boards where villain has a huge range/nut advantage and a high continuance frequency, because then you'll typically be bloating the pot with the worst of it.