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Polarizing and balancing

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WillburForce

08-13-2009, 11:41 AM Post subject: Polarizing and balancing

#1 (permalink)

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Join Date: May 2006

Location: SW London

Posts: 516

WillburForce will become famous soon enough

I saw this in that other forum. Thought it was a good explanation.

Range polarization refers to a range in which all hands fall into one of two distinct subsets, with no hands existing outside of these subsets. Typically the subsets are of inverse strength (nuts/air), but not necessarily.

Examples of polarized ranges that are of similar strength.
1) Nuts/thin value
2) thin value/air
2) Draw/air

Furthermore, often times we misuse the term polarized to describe a range that has 3 subsets rather than 2. The concept is the same, except for having one more 'type' of hand to consider.

For example:
1) Nuts/Thin Value/Air
2) Thin Value/Value bluff/air

Either way, when an opponent (through his actions) groups his entire hand range into only 2 (or 3) types of hands it becomes extremely easy to exploit that player. This is because making EV based decisions is much simpler when having to consider only 2 hand strengths, rather than a wide range of hand strengths.

eg... we can play much more optimally when opponents polarize, and in fact many players will argue that forcing opponents into polarizing is the key to NL holdem, and many other poker games

Related to this subject is the concept of "balancing". While a topic for another thread, it is important to know that balancing is the practice of widening your range so as not to polarize yourself. Basically, you make sure that for any given action, your range is wider than only two types of hands.

For example, when your river shove can be for thin value, as well as nuts or air, then your opponent has a much more difficult decision, and he has to play guessing games as your range is wide. Compare this to situations when your opponent knows you're polarized, he just has to decide if you have the nuts or not. He plays perfectly, and you are toast.

Edit to add: Polarizing and Balancing apply preflop as well, and should not discounted. Many players polarize preflop wihtout realizing it (even winning regs), and great players reap heavy profit from these mistakes. For example, when your cold calling range preflop is PP's and SC' only, you will be manhandled by aggressive 3bettors and squeezers. Or, if your 3betting range is polarized to AK or JJ+ (typical), your opponents will be able to play perfectly against you in a huge pot.

The point is, a player can polarize their hand at any time, on any street. The winning players are those who can recognize and extract value from the players who polarize too frequently, and players who don't realized they are polarized at all.

Normski

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nish81

08-13-2009, 11:48 AM

#2 (permalink)

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Join Date: Jun 2009

Posts: 295

A great explanation which I'll have to bookmark and read once I get to 25nl or something

<JustinSKS> Tha'ts why I fold my 33 to 72o, because 7 high beats, 1 pair, donk.

JR: lets do it JUAN
JR: mono e mono
JR: man to man
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Dealer: juan0984 folds

LawDude

08-13-2009, 05:03 PM

#3 (permalink)

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Join Date: Feb 2009

Posts: 940

It's a good post.

One thing to remember, however, about balancing, is that it is a second-level poker strategy. In other words, you balance against players who are paying attention to your range. Against players who are not, balancing is -EV because essentially, in order to balance your range, you have to represent big hands as small hands, and small hands as big ones, and this means you are overbetting the value of small hands and underbetting the value of big ones.

So, when you are playing against players who are not making adjustments to your range, don't worry about balance. When you are playing against players who are making such adjustments, balance becomes very important.

Cougar

08-13-2009, 07:07 PM

#4 (permalink)

Straight

Join Date: Nov 2008

Location: Pennsylvania

Posts: 121

Thanks for this, very clear!

<Assumes risk of getting flamed for trying to make generalities>

Any regs have thoughts about which level of game (25NL, 50NL, 100NL) a substantial portion of villains (say >25%-30%) begin to actually pay attention and make adjustments to your ranges (i.e. second level) as described?

Thanks in advance!!

------------------------
"...only time you stop learning is when your own ignorance & arrogance stops you from doing so!" -Martin Pritchett

Roller

08-14-2009, 04:07 AM

#5 (permalink)

Straight

Join Date: May 2009

Posts: 168

Roller has a little shameless behaviour in the past

Good Explanation on Range polarization.

I like the added input from LawDude.
"when you are playing against players who are not making adjustments to your range, don't worry about balance."

I think at times some of us tend to forget the basics at this point.

Everything is Situational.

Good Post

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Polarizing and balancing

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