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Are You Cheating Preflop?

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Something interesting happens to no-limit players once they really settle in with a truly successful strategy. First, they develop an understanding of preflop play that goes far beyond the, “Wait, so I should play JTs from the cutoff, but not from the hijack?” level of thinking. Second, they begin to realize that they can control and manipulate their opponents to a degree they had never before thought possible.

These two changes in mindset typically result in newly-good players loosening up significantly. They aren’t worried anymore about making sure they get all the unprofitable preflop hands out of their game. And they know that they can turn unfavorable situations to their favor by making good postflop decisions. They feel comfortable in more and more postflop situations, and therefore they end up playing more and more hands.

Some of this loosening is indisputably good. For instance, loosening up on the button is rarely bad and often quite good. I think in a typical small stakes 6-max game, you can open nearly any hand on the button and do so profitably. And you can similarly isolate limpers from the button with quite a wide range and increase your winrate doing so.

But I do think some newly-good players begin to cheat a little bit.

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6 Responses to “Are You Cheating Preflop?”

2weiX
@ Thu Mar 12, 2009 03:08:49 AM
1

could it be, and I’m going out on a limb here… but… could it be, that the profit made from the positions that are profitable (button), and the loss induced by opening with junk from EP/MP are derived of the same function?

put another way: “advertising”. if a player is known to open with junk OOP, will he not get more customers with quality hands IP, hence increasing his profit?

in your example, would not the player who is capable of analyzing his play with PT play with stats and be able to recognize tendencies by other players to “play back” and adjust his play accordingly?

regards,
2weiX

Anonymous
@ Thu Mar 12, 2009 04:24:19 AM
2

@2weiX

I have a pretty good idea of what Ed is talking about. He’s talking about lagging it up on the button, being successful and thinking you can lag it up everywhere. People just aren’t paying enough attention to discern where you’re lagging it up in most small stakes games. Once you stack then once with Q2o from the button, they’ll never give you credit again from any position. Also, once you open up your button and CO range, your vpip really doesn’t need a lot of help to advertise. There just isn’t a lot of upside to playing junky hands oop.

Against tougher opponents, there is an argument that it’s important to show up with some non-premium hands once in a while. Things like baby pairs and smaller suited connectors UTG. The thinking is that you don’t want villains to be able to attack low boards with impunity. There’s another argument that you just have to be willing to play chicken and not blink to defend some of the low boards oop.

In any case, Ed convinced me a while back not to play junky hands oop. I’ve quit for the most part. I think it’s been good for my game.

Ed Miller
@ Thu Mar 12, 2009 08:05:49 AM
3

2weiX,

You’re right that the play in early positions and play on the button is linked. But I think there’s an effect that works to your benefit (cutting out weak hands from EP), also, at least in small stakes online games.

Say you play super tight from up front, and super loose on the button. Like 12 VPIP from UTG and 60 VPIP on the button.

Your overall VPIP will work out to something close to 30. That looks really loose to players… and most stats-based players won’t bother to break that number down positionally, they just work off the overall number. So as a result, I think you can reasonably expect a lot of players to give you too much action on your EP hands (because they think you’re playing looser than you are), and actually give you not enough action when you steal from the button (because, even though you are obviously loose, they may not understand that you’re often opening 100% of hands).

In other words, it can be easily demonstrated for most players that opening trash from out of position is unprofitable (through the HEM filter I detailed in the article). It’s possible that opening trash from up front is a loss-leader that promotes even more profit from the button… but I tend to think that argument falls short in practice.

Alon Albert
@ Thu Mar 12, 2009 09:54:02 AM
4

Wow, just ran this on my DB. Opening junk from the button is earning me 7.7 Big Blinds per 100 hands while doing so from the CO is loosing me 21.8 BB/100 hands.

I’m only doing this from the CO 1/4 of the time as from the button so I’m still ahead but I am definitely spewing cash from the CO opening junk.

dfan
@ Thu Mar 12, 2009 03:50:29 PM
5

You say, “In a typical small stakes 6-max game, you can open nearly any hand on the button and do so profitably.”

Why the limitation to 6-max?

Todd
@ Fri Mar 13, 2009 04:24:35 AM
6

@dfan

I don’t think that it is limited to 6-max. It just happens more there. In FR, it just doesn’t fold around to the button all that often. It’s a pretty rare full ring table where you can’t open 100% on the button. Those tables tend to be full of uber-nit multi-tables who are auto-folding pretty much every non-premium hand.

Typical heads up strategies involve opening between 80 and 100% of you buttons.

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