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Room
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10-26-2005, 04:18 PM
Post subject: Playing against a range
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#1 (permalink)
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Straight
Join Date: Mar 2005
Posts: 197
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Been doing some thinking about preflop strategies for playing starting hands against certain types of opponents. Lets say you get a great seat at a table where you have a preflop maniac (30% PFR) sitting directly to your left. Assuming he is an average postflop player (someone you are at minimum evenly matched against), how do you determine which hands you will 3-bet with here (under the assumption you will more often than not, get him heads up)? I'm looking for a generic answer that can be applied to various opponents with various PFR %s. Thanks.
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elipsesjeff
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Moderator
Join Date: Jul 2004
Location: Northern Virginia
Posts: 4,900
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Quote:
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Originally Posted by Room
Been doing some thinking about preflop strategies for playing starting hands against certain types of opponents. Lets say you get a great seat at a table where you have a preflop maniac (30% PFR) sitting directly to your left. Assuming he is an average postflop player (someone you are at minimum evenly matched against), how do you determine which hands you will 3-bet with here (under the assumption you will more often than not, get him heads up)? I'm looking for a generic answer that can be applied to various opponents with various PFR %s. Thanks.
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It will depend on your relative positions. Isolation raises are good with mid pocket pairs and normal raising hands preflop. Problem is you'll be folding a lot postflop if he's decent like you say, you don't want to go too marginal...
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Room
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Straight
Join Date: Mar 2005
Posts: 197
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Well the better he plays postflop, the more I would devalue my PF starting hands to adjust for the lost EV when I am getting outplayed postflop. Here is more along the lines of what I was asking.
For sake of simplicity, lets say that our opponent only raises AA and KK preflop. Therefore he is raising 2/169 or roughly 1% of his hands. My first question here would be: is this how PFR % is to be used? Meaning, as his % increases, we start adding more hands (in order of strength) to his opening hands (ie if he opens AA, KK, QQ, AKs - 4/169 - would he be a 2% PFR? etc. etc.) Going back the AA and KK only player, it would NEVER be correct to play anything outside of his range (QQ, AKs, JJ etc.). So couldn't we use his PFR % to determine (roughly) which hands he will raise with and reraise/isolate him with any hands within our range with which we have an advantage? For this opponenet I just described, there would hardly be any hands with which we have an advantage. However, when we sit down and find someone who is at 30%, he has so many hands that he can open with, that we must adjust OUR range here and 3-bet isolate with our adjusted range. If this idea can be applied, how can we find those ranges with which our opponent will open and therefore be liberal to 3-bet and isolate when we, at the worst, have a break even situation in terms of preflop equity? (If my thinking is incorrect please correct me so I can be on the right page)
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Fnord
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Moderator
Join Date: Dec 2003
Location: I'll Do You Like A Truck
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Quote:
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Originally Posted by Room
is this how PFR % is to be used?
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Yes.
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euphoricism
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4-of-a-Kind
Join Date: Mar 2005
Location: Your place or my place
Posts: 3,610
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Weird, because I was actually doing this math while not paying attention in my history lectures. Then I remembered that Poker-Edge.com has an article on it where they do all the percentages for you...
http://www.poker-edge.com/stats.php
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euphoricism
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4-of-a-Kind
Join Date: Mar 2005
Location: Your place or my place
Posts: 3,610
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Question -- What the hell are you doing with him on your left? You're out of position and that leads to trouble.
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Room
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Straight
Join Date: Mar 2005
Posts: 197
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My mistake. I meant you have position on him, as in he is on your immediate RIGHT.
Did you come to any conclusions in your analysis?
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euphoricism
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4-of-a-Kind
Join Date: Mar 2005
Location: Your place or my place
Posts: 3,610
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Yes, if the guy has a 1% PFR and raises, you should fold.
Read the link.
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