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Let's Talk Balance
Got a request for this one, so I'll start a discussion and hopefully I'll be able to add it to the digest at some point. In a simplistic view, there are three types of ranges: strong, weak, or balanced. If a range is strong or weak, it makes it easy to play your borderline hands. If a range is balanced, it makes it difficult.
Here's a 3-betting example. Suppose you open AQo in middle position, and the button 3-bets. If he only 3-bets a very strong range, then you have a very easy fold. If he 3-bets and 5-bets a weak range, then you have a pretty easy stack-off. If he 3-bets some well-balanced range, it's difficult to figure out what to do.
Here's a c-betting example. Suppose some guy opens in MP and you call on the button with 98s. The flop comes A94r. If he c-bets a very strong range, then you have an easy fold. If he c-bets a very weak (and wide) range, then you have a pretty straight-forward call. If instead he c-bets a balanced range (and barrels as a bluff with some frequency, etc.) then you have a hard decision to make.
If you are trying to take direct advantage of some tendency your opponent has, then you generally will want an unbalanced range either towards being very strong or being very weak. Suppose someone opens the button to 3x with 35% of hands, and folds to a blind 3-bet 85%. Then you'd want to take advantage of this by 3-betting with a weak range. On the other hand, if he opened the button to 3x with 35% of hands, and folded to a blind 3-bet 25% of the time, you would want your range to be fairly strong.
Keep in mind that the adjectives strong and weak are relative to your opponent's range too, even though we're sort of throwing them around a lot.
So here's an example of a spot where balance is nice. Suppose in a 100bb deep 9-handed game, UTG opens and it folds to us in the CO. If we 3-bet only something like {KK+, AK} here, our opponent could very easily pick up on this. I mean after all, we're supposed to have a pretty strong hand to 3-bet against a UTG open on a 9-handed table. So his strategy would probably be to fold a whole lot. We could answer by balancing our range a bit and adding in some semi-bluffs like a few suited Aces. Now it's not so clear what he should do with a hand like QQ.
There are basically two ways to change the strength of a range. First you can add hands to it, or you can remove hands from it. If you add strong hands, it makes the range stronger, and if you add weak hands, it makes the range weaker. Similarly, if you remove strong hands, it makes the range weaker, and if you remove weak hands, it makes the range stronger. Adding hands makes your range wider, and removing hands makes it more narrow.
Adding semi-bluffs with a lot of equity makes your range wider without sacrificing much strength. Adding air without much equity makes your range wider while sacrificing a lot of strength. This is a big part of why barreling with equity works so well.
There's another part of balance that is really cool, and a lot of newer players think they get it but either they really don't or they never apply it in their games. Let's say you have a really strong range in some spot, and then you add one break even semi-bluff to your range. By adding a break even hand to your range, it might seem like you aren't changing the EV of your range at all. However, you actually do. This is because your opponents will have a non-zero chance of weakening their range against you after seeing your semi-bluff, so all of the strong hands in your range will gain EV. Thus, by adding a break even hand to your range, you actually increased the total EV of your range.
Here's an analogy that a lot of guys can relate to. Let's say your wife is giving you some once a week. Now let's say you pick up some half-decent flowers somewhere for free because you know a guy. You bring these home to the wife, and it would seem like even though you're adding a break even component to the situation. However, she's going to be more likely to give you some more than once a week, so you have increased the EV of your overall situation. Again, you've increased your total EV with a break even play.
Okay so you guys have at it.
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