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Message from discussion Going Too Far & Implicit Collusion
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Stephen H. Landrum  
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 More options Apr 10 1997, 3:00 am
Newsgroups: rec.gambling.poker
From: "Stephen H. Landrum" <sland...@pacbell.net>
Date: 1997/04/10
Subject: Re: Going Too Far & Implicit Collusion

Andy Morton wrote:
> First, I also think this _type_ of post is the most fun on r.g.p., and
> would love to see more.  It was sort of frustrating that this post
> languished for a week before it got its first response while 50 people
> weighed in to straighten out the guy who wanted five pros at his table.

The answer to this one is simple.  Posts that require thought take
time to respond to, and obviously ones that don't can be responded to
immediately.  I couldn't keep up with RGP if there were 20 seriously
thought-provoking posts a day.

> Not only that, but after 50 or so responses, it turns out he had a point
> after all.

It sure wasn't contained in his original post.

>  Anyway, I for one would be more of an active participant and
> less of a lurker on r.g.p. if the ratio of light to heat were a little
> higher.

Flames are unfortunately part of the nature of delayed electronic
communication.

> Second, I totally agree with Erik's point that while the idea i
> presented is mathematically correct, the important question is how (or
> even whether) it leads to changes in correct strategy.  As I said in my
> post, I think these situations (where you'd prefer some of your
> opponents to fold, even if it's correct for them to do so) come up all
> the time in a typical game.

Some of this is implicitly incorporated into the ideas of seat
selection, hand selection, selective aggression, and pot size
manipulation.  It's also been discussed indirectly in the past as the
concept of fish "schooling" for protection.  Each of their individual
calls is poor, but when they all call, they help each other more than
they help the bettor.

> I'm not sure how best to demonstrate that, however.  Would it be at all
> convincing if i just came up with some more examples of other situations
> and repeated the calculation?  

I don't think convincing is as important as learning.  It may be that
the situation occurs less frequently than you feel it does, or it may
occur in almost every hand that's played with 4 or more players.

Better than examples would be some research.

> I'm not sure, because each time someone
> could say, "yea, but what if instead of having 5 outs, your opponent is
> drawing dead? then you'd want him in, not out."  

That's the problem with examples, there are counterexamples.  Without
some demonstration of how often the examples apply, they are not good
evidence for the assertions that these situations are frequent or rare.

> Maybe there would be
> some way to run a few hundred hands of Holdem Master or something
> similar with a calling station in the game.  Then simply ask, for each
> call he made, a) did he have correct odds to chase, and b) did his call
> cost the leader any expectation?  Would that be sufficient to convince
> people these situations are common?

Again, the goal should not be convincing, but determining.

> Is there a better way?

Can't think of one at the moment.

> Then, if these situations do come up, are they really all that serious?

That's certainly a question to be addressed.

> If i remember my example correctly, player B's fishy call on the turn
> can cost you up to more than 5% of your EV when you bet.  That seems
> pretty serious to me.  

Perhaps.  It should be looked at with respect to the whole.  B's fishy
calls are contributing hugely to your EV at other times, so it's
important to see where it fits into the big picture.  Is your bet -EV
because B calls, or is your bet +EV but B's call just reduces the value
of it?

> Try telling a blackjack player he's losing up to
> 5% on some of his bets and i bet you get his attention real quick.

Losing up to 5% relative to what?  Many times the BJ player is making
a -EV play, because it is better than all the other choices which are
also -EV.  Splitting 8's against a dealer T is a -EV play, but it's
better than standing or drawing, it's only +EV when compared to the
alternatives.

If he can make a different choice that improves his EV, then he'll be
interested in what you are saying.

> Furthermore, even if we convince ourselves these situations come up
> often enough and are potentially costly, then how do we exploit our
> understanding?  

Change "convince ourselves" to "learn" and I agree with you.

Are strategic changes (eg, play more drawing hands) more

> useful than tactical ones (eg, checkraise the turn in a particular
> situation)?  I never would have thought of the implications of this
> stuff on table image, but abdul's post makes at least some sense to me
> and indicates that there may be all sorts of ways to exploit the things
> we've been talking about here.

--
"Stephen H. Landrum" <sland...@pacbell.net>

 
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