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ebo8b 1K Club
Joined: 19 Jun 2005 Posts: 1096 Location: Northern VA
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Posted: Mon Mar 05, 2007 2:35 pm Post subject: Multiple Level Thinking |
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I'm familiar with multiple level thinking - you always want to think exactly one level higher than your opponent. Two questions:
How do you go about trying to figure out which level your opponents think on? Is this only possible if you've played many hands with a player?
Second level thinking is trying to figure out what my opponent thinks that I have. I understand that if my opponent thinks on the first level and I think on the second level, then I can play my hand so that my opponent puts me on an incorrect range of hands. What is third level thinking and above? How does a player apply that sort of thinking? |
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Piemaster Author of THE POKER MINDSET
Joined: 15 Jan 2004 Posts: 6931 Location: London
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Posted: Mon Mar 05, 2007 2:49 pm Post subject: |
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Third level thinking is working out what your opponent thinks you think he has. It is only really applicable against extremely good players, who know that you are also a good player.
For example, imagine you are heads-up in a no-limit pot against a world class player. You flop top pair, bet the flop and he raises with position. You check a blank on the turn and he checks behind. The river puts a possible flush on the board and you bet. Your opponent makes a substantial raise. Usually you would fold in this spot. However, your opponent is a world class player. When he checked through the turn, and raise the river, he will know that you will almost certainly put him on a flush. Therefore it makes sense for him to raise when he doesn't have the flush, knowing that there is a good chance that you will fold. This is second level thinking from your opponent. Now if you apply third level thinking, you will realise he is thinking this and call his large bet, knowing there is a good chance you are ahead.
I have no idea if this example holds up 100% to scrutiny as I just made it up, but that is the essence of third level thinking.
Don't even ask about fourth level thinking... |
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Bugsbunny Wascally
Joined: 07 Apr 2004 Posts: 7626 Location: Drinking Carrot juice
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Posted: Fri Mar 09, 2007 9:22 am Post subject: |
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| Piemaster wrote: | Third level thinking is working out what your opponent thinks you think he has. It is only really applicable against extremely good players, who know that you are also a good player.
For example, imagine you are heads-up in a no-limit pot against a world class player. You flop top pair, bet the flop and he raises with position. You check a blank on the turn and he checks behind. The river puts a possible flush on the board and you bet. Your opponent makes a substantial raise. Usually you would fold in this spot. However, your opponent is a world class player. When he checked through the turn, and raise the river, he will know that you will almost certainly put him on a flush. Therefore it makes sense for him to raise when he doesn't have the flush, knowing that there is a good chance that you will fold. This is second level thinking from your opponent. Now if you apply third level thinking, you will realise he is thinking this and call his large bet, knowing there is a good chance you are ahead.
I have no idea if this example holds up 100% to scrutiny as I just made it up, but that is the essence of third level thinking.
Don't even ask about fourth level thinking... |
Ok - I won't. How does fifth level work?
Just to expand a bit - once you get to the higher levels it can, especially in some situations, become a vicious circle and the decision really ends up being: what level is he playing on this hand. First level is what do I have. Second level is what does he have. Third level is what does he think I have. 4th level is what does he think I think that he has. and so on.
If you've seen "The Princess Bride" then the following should be familiar:
| Quote: | ---
In this fantastic movie, one scene highlights the role of common knowledge.
But perhaps more importantly, it highlights the notion of strategic moves.
When the rules of the game are flexible, manipulate them to your advantage!
---
The Man in Black (the good guy) challenges Vizzini (bad) to a battle of wits.
[Humperdinck and his men scurry off, while the Man in black finds and confronts Vizzini who is preparing to eat.]
Vizzini: So, it is down to you, and it is down to me...if you wish her dead, by all means keep moving forward.
Man in black: Let me explain...
Vizzini: There's nothing to explain. You're trying to kidnap what I have rightfully stolen.
Man in black: Perhaps an arrangement can be reached?
Vizzini: There will be no arrangements...and you're killing her.
Man in black: But if there can be no arrangement, then we are at an impasse.
Vizzini: I'm afraid so. I can't compete with you physically, and you're no match for my brains.
Man in black: You're that smart?
Vizzini: Let me put it this way: Have you ever heard or Plato, Aristotle, Socrates?
Man in black: Yes.
Vizzini: Morons!
Man in black: Really! In that case, I challenge you to a battle of wits.
Vizzini: For the princess? To the death? I accept!
Man in black: Good, then pour the wine. [Vizzini pours the wine] Inhale this but do not touch.
Vizzini: [taking a vial from the Man in black] I smell nothing.
Man in black: What you do not smell is Iocaine powder. It is odorless, tasteless, and dissolves instantly in liquid and is among the more deadly poisons known to man.
Vizzini: [shrugs with laughter] Hmmm.
Man in black: [turning his back, and adding the poison to one of the goblets] Alright, where is the poison? The battle of wits has begun. It ends when you decide and we both drink - and find out who is right, and who is dead.
Vizzini: But it's so simple. All I have to do is divine it from what I know of you. Are you the sort of man who would put the poison into his own goblet or his enemies? Now, a clever man would put the poison into his own goblet because he would know that only a great fool would reach for what he was given. I am not a great fool so I can clearly not choose the wine in front of you...But you must have known I was not a great fool; you would have counted on it, so I can clearly not choose the wine in front of me.
Man in black: You've made your decision then?
Vizzini: [happily] Not remotely! Because Iocaine comes from Australia. As everyone knows, Australia is entirely peopled with criminals. And criminals are used to having people not trust them, as you are not trusted by me. So, I can clearly not choose the wine in front of you.
Man in black: Truly, you have a dizzying intellect.
Vizzini: Wait 'till I get going!! ...where was I?
Man in black: Australia.
Vizzini: Yes! Australia! And you must have suspected I would have known the powder's origin,so I can clearly not choose the wine in front of me.
Man in black: You're just stalling now.
Vizzini: You'd like to think that, wouldn't you! You've beaten my giant, which means you're exceptionally strong...so you could have put the poison in your own goblet trusting on your strength to save you, so I can clearly not choose the wine in front of you. But, you've also bested my Spaniard, which means you must have studied...and in studying you must have learned that Man is mortal so you would have put the poison as far from yourself as possible, so I can clearly not choose the wine in front of me!
Man in black: You're trying to trick me into giving away something. It won't work.
Vizzini: It has worked! You've given everything away! I know where the poison is!
Man in black: Then make your choice.
Vizzini: I will, and I choose...[pointing behind the Man in black] What in the world can that be?
Man in black: [turning around, while Vizzini switches goblets] What?! Where?! I don't see anything.
Vizzini: Oh, well, I...I could have sworn I saw something. No matter. [Vizzini laughs]
Man in black: What's so funny?
Vizzini: I...I'll tell you in a minute. First, lets drink, me from my glass and you from yours. [They both drink]
Man in black: You guessed wrong.
Vizzini: You only think I guessed wrong! That's what's so funny! I switched glasses when your back was turned! Ha ha, you fool!! You fell victim to one of the classic blunders. The most famous is never get involved in a land war in Asia; and only slightly less well known is this: Never go in against a Sicilian, when death is on the line!
[Vizzini continues to laugh hysterically. Suddenly, he stops and falls right over. The Man in black removes the blindfold from the princess]
Buttercup: Who are you?
Man in black: I'm no one to be trifled with. That is all you'll ever need know.
Buttercup: And to think, all that time it was your cup that was poisoned.
Man in black: They were both poisoned. I spent the last few years building up immunity to Iocaine powder. |
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nsidestrate Suited's Love Monkey
Joined: 26 May 2004 Posts: 22429
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Posted: Fri Mar 09, 2007 10:04 am Post subject: |
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| Piemaster wrote: | | Third level thinking is working out what your opponent thinks you think he has. It is only really applicable against extremely good players, who know that you are also a good player. |
I'm not sure this is true. It tends to depend on the board. When the board is paired on the flop or the flush card comes on the river, even fairly poor players are capable of putting you on a hand and bringing third level thinking (for you) into the mix. The kinds of hands where the other player can put you on a hand vary based on their skill.
For instance, in the tourney I recently played at the Wynn I was in a hand where a guy limped in EP and called a normal raise from the CO. The CO was a marginal player who was tight and unimaginative. When the EP player limp-called, I was absolutely certain that he had to hold some kind of low or medium pair. The CO was trying so hard to look uninterested that I was fairly sure he had a big pair. The board came down T62r, the EP player check-raised all-in. In my opinion, the EP player was transparently on a set. Between the limp-call and the check-raise all-in, I thought their hand might as well be exposed. Nonetheless, the CO called with KK and the EP player tabled 66. Against a good player, the EP could have check-raised all-in as a bluff because his hand looked so obviously like a set. But that kind of third-level thinking would be lost against a player who wasn't able to read that situation. |
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poker_Elmo 2K Club
Joined: 17 Jun 2004 Posts: 2737 Location: PA
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Posted: Fri Mar 09, 2007 10:22 am Post subject: |
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In the thread about Annette in the MTT, we talk about a 3rd level thinking situation. She pushes all in with her draw, when a small raise probably would have done a better job at representing a monster.
In a 6-max game a couple nights ago, I hold KQ and raise from CO. BB calls.
Flop is 988. Check, I bet, he calls. Pot is now $32. Turn is a 9. He bets $20.
So the question is: what does my opponent have (2nd level), then what does my opponent want me to think he has (4th level). His bet makes very little sense if he has a 9 (I only had 60 behind, why not try to ch-raise to get me all in) or if he has an 8 (why not ch-call to keep the pot small. So he might have an ace, or he might have air.
I min-raised to $40, trying to represent that I have at least 9988A or better and he folded. He must be capable of at least 2nd level thinking to put me a good hand, but also hopefully not thinking 5th level of "I know my lead out on the turn will look weak, so that is why I do it with a monster."
Yes, it is very much like the princess bride dialogue. |
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Musicca
Joined: 07 Feb 2006 Posts: 41 Location: Ontario, Canada
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Posted: Thu Mar 29, 2007 4:03 pm Post subject: |
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multiple level thinking
This topic is one of my favorites to discuss with fellow poker players. The different levels that people think at , and the deception and mixed gaming that goes on during a game. Knowing how your opponeents think about you and mixing it up to your advantage CAN be "easy money". Playing with an opponent that is of equal or greater experience / knowledge can be tactical bliss or outright misery Both of which i have induldged in.
Being that i play in mostly low limit SnG's and low limit NLHE ring games, it can be easy to over estimate a players level of thinkng, but because these lower monetary levels are readily availiable to the "casual and/or beginner players" . It is surely a place where you can not only learn how to use multiple levels of thinking successfully in your game, but you can easily see results very quickly in the technics learned.
Recognizing the stength of an apponent can be invaluable when using multi-level thinking. Obviuosly enough tho, there are certain player types that can be tricky to nail down consistently. Ah the joys of chasing the ever elusive perfect game !! |
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toronexti 53o
Joined: 03 Sep 2004 Posts: 4153
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Posted: Fri Mar 30, 2007 3:23 pm Post subject: |
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I was bored today so I was playing a bit of HU SNG's. What level thinking is this hand on my part (part brag post ):
Poker Stars
No Limit Holdem Tournament
Blinds: t10/t20
2 players
Converter
Pre-flop: (2 players) Hero is BB with
SB calls t10 (pot was t30), Hero raises to t60, SB calls t40 (pot was t80).
Flop: (t120, 2 players)
Hero bets t80, SB calls t80 (pot was t200).
Turn: (t280, 2 players)
Hero checks, SB bets t100, Hero raises to t300, SB raises all-in t1430, Hero calls all-in t990.
Uncalled bets: t140 returned to SB.
River: (t2860, 0 player + 2 all-in - Main pot: t2860)
Results:
Final pot: t2860 |
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Musicca
Joined: 07 Feb 2006 Posts: 41 Location: Ontario, Canada
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Posted: Sat Mar 31, 2007 2:56 pm Post subject: |
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ok, so a heads up raise in BB with suited 10 7, a continuation bet post flop, the turn you hit your pair and check and the SB bets out half the pot. You raise it 3X his bet. SB pushes.
As far as i can see. after his all in, You are at the fourth level . My logic behind this is as follows : first level- whats in your hand, second level- whats in his hand, third level- what he thinks you have, fourth level- what ( at this point) he wants you to think he has. Even as i type this, I'm starting to get dizzy,
My initial thought was that it is much simpler, in the fact that ultimatly your final decision is whether or not to call his all-in, that being dependant upon second level thinking ( whats in his hand). At this point tho, I'm sticking with what I typed first .
BTW i like the question, because as i hit the submit button, I'm not really sure if if I'm in the ballpark with this answer or just going round and roung chasing my tail and expecting a diffferent outcome each lap. |
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Musicca
Joined: 07 Feb 2006 Posts: 41 Location: Ontario, Canada
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Posted: Mon Apr 30, 2007 1:43 pm Post subject: |
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| hehehe ok so NO-ONE replyed to that last post, should I get it removed by the mod becasue its stinkin up the joint or is there ANY basis to it ? It sucks being left out there like that.... |
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nsidestrate Suited's Love Monkey
Joined: 26 May 2004 Posts: 22429
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Posted: Mon Apr 30, 2007 2:02 pm Post subject: |
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Its really toro's fault for posting his hand history in the wrong place!  |
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Piemaster Author of THE POKER MINDSET
Joined: 15 Jan 2004 Posts: 6931 Location: London
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Posted: Mon Apr 30, 2007 2:18 pm Post subject: |
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Actually, your levels are one out.
Zeroth(?) level - What do I have?
First level - What does he have?
Second level - What does he think I have?
Third level - What does he think I think he has
Fourth level - What does he think I think he thinks I.... oh sod it lets stop at 3rd
So in your hand example:
0th level - I have a pair, woohoo!
1st level - He probably doesn't have anything and is just trying to steal the pot when I checked to him.
2nd level - Oh bugger, he's gone all in. What hand must he put me on?
3rd level - He must be going all in, thinking that I will put him on a big hand and fold. But not smart old me, oh no. Call biatch! |
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taz115 Hzamm9rd, Yo!!!
Joined: 08 Oct 2005 Posts: 8428 Location: Edmonton, Canada
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Posted: Mon Apr 30, 2007 3:03 pm Post subject: |
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| Quote: | 3rd level - He must be going all in, thinking that I will put him on a big hand and fold. But not smart old me, oh no. Call biatch!
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Then he flips over the nuts  |
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Bugsbunny Wascally
Joined: 07 Apr 2004 Posts: 7626 Location: Drinking Carrot juice
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Posted: Mon Apr 30, 2007 4:32 pm Post subject: |
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| taz115 wrote: | | Quote: | 3rd level - He must be going all in, thinking that I will put him on a big hand and fold. But not smart old me, oh no. Call biatch!
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Then he flips over the nuts  |
That's because he was on the 4th level
"I'll go all-in, he'll think I'm bluffing and trying to get him to fold but I really have the nuts here. He'll call and I'll drag a monster. WOOTAH!"
Then you have to jump to the 5th level to defeat him:
"He's going all-in. He 's representing a monster and wants me to fold and not call. But he knows that I know that. So I should call. But he also knows that I know that and that I know that he knows that I know that. So I should fold and get away from his trap. YES! And you then proceed to say "I fold"." |
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taz115 Hzamm9rd, Yo!!!
Joined: 08 Oct 2005 Posts: 8428 Location: Edmonton, Canada
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Posted: Mon Apr 30, 2007 4:33 pm Post subject: |
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| Quote: | | That's because he was on the 4th level |
Either that or he is level 1: "My hand is GOOOOOOT!" |
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nsidestrate Suited's Love Monkey
Joined: 26 May 2004 Posts: 22429
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Posted: Mon Apr 30, 2007 4:38 pm Post subject: |
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| taz115 wrote: | | Quote: | | That's because he was on the 4th level |
Either that or he is level 1: "My hand is GOOOOOOT!" |
Exactly the problem with higher level thinking in RPS and poker. Sometimes the play of a donkey and a highly advanced player are impossible to tell apart. |
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