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HUNL - Donking Board Pairing Turns

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HUNL - Donking Board Pairing Turns

Hey guys,

Donking the turn when the board pairs after check calling the flop in 2b pots is something that I have been trying to incorporate into my game.  It's somewhat new to me, and the basic behind it is fairly foreign to me.  In his recent 4 table HUNL 5/10 Zoom video, Kevin Rabichow briefly discusses some of the reasons why he chooses to donk 1/4 pot with most of his range here.  I wanted to create this thread to discuss the play(pros and cons) as well as 1/4 pot sizing.


It would be great if we could just start with the basics and then work up.  I suppose by donking board pairing turns we are saying that it is a better card for our check calling range than villains c-betting range.  Again, please bear with me here - trying to conceptualize this.  I understand that we will have more pairs in our range after we call the flop, but doesn't donking increase reverse implied odds in spots where we would be facing a bet bet bet line?  Lets say flop is K73 rainbow.  We check, villain c-bets 2/3 pot, we call.  Turn pairs the 3, and we donk 1/4 pot.  Kevin, am I understanding that this is a preferred line from you?  It seems really easy for villain to just raise and apply tons of pressure to us here with both value and Ace high, gutshots, and just float.  Unless we are flatting with some of our stronger top pair hands(AQ, AK, KQ) pre, how do we balance this?

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dlayton66 10 years, 11 months ago

i'm not sure what he says in the video, but...

first, a 1/4 pot donk doesn't increase the amount pressure he's able to apply much at all.  i believe many turn and river solutions involve small donkbets like this even with an overall range disadvantage.  (although you'd probably never donk your whole range with a range disadvantage)

second, the 3 improves a portion of our range to the near nuts which allows us to defend well vs. someone raising and applying tons of pressure, so we don't mind increasing the pot size so much.  you seem to be glossing over this fact when you mention that we don't have strong top pairs in our range... we're protected by trips, and often wouldn't raise K7/K3/73 on the flop anyway.  that's why the 3 is a much better card to donk than the 2, although donking the 2 still makes some sense to me

third, the 3 is also good in the sense that we're probably calling some top x% of hands on the flop, and he's probably cbetting some range that is at least somewhat polarized, and the 3 misses a large portion of the somewhat polarized range which by default helps the top x% of hands guy

^these last two points are what make donking our whole range probably ok

Kevin Rabichow 10 years, 11 months ago

It's important to realize that villain can't do anything against a 1/4 pot donk that he isn't able to do against a check when we haven't split our range. We're not allowing him to do anything different, and we're preventing him from seeing the river for free (at a small cost). This is why we have to do this play in spots where our range is quite strong, or else we lose our bet too often to justify the decision. 

Mushmellow 10 years, 11 months ago

What about donking near pot? What about an overbet size? What are the pros and cons of different sizings?

I don't use this line myself, but faced a 1/4 pot donk today vs a reg who sat me, and have faced the donk pot turn, overbet river line as well.

This is an awesome thread! I am also trying to understand this concept :)

Chael Sonnen 10 years, 11 months ago

Just because a turn card is better for our range than Villians doesn't mean we're now so far ahead we can overbet. And it doesn't make sense with most of your range.
If you have J6 on J95, donk overbetting a 9 turn makes no sense with this hand.

So you donk your whole range small on the turn, though I'm not completely sure what to do on the river.
Perhaps overbet a polarized range of 9x and draws on the river, and have a couple of 9x in your regular betting range and c/c, c/r range.


Kevin Rabichow 10 years, 10 months ago
If called, the river *should* play out very similarly to how the action might go if you had checked and villain checked behind. In practice that doesn't seem to be the case, though.


iamapokerbeast 10 years, 11 months ago

yeah I was thinking the same why donk 1/4 pot and not 1/2 or 1/3

Kevin Rabichow 10 years, 10 months ago
The sizing is intended to be small enough that the parts of my range that don't care so much for betting are not wasting money. My range as a whole is doing quite well but certain hands make no sense to bet for a much larger size, while almost all hands will benefit from a small probe in some way.
goranbaxy 10 years, 11 months ago

should IP player have raise range on this turn? I guess he should just because his bet is so small, how about if SB starts donking 3/4 pot or overbetting, should IP player just call or create raise range aswell?

Schulti 10 years, 11 months ago

So the boardpair gives us near nutted hands sometimes that our opponent doenst have often, and also removes some of the blufcatcher hands out of our range, so it polarizes our range more. Now if we would check our whole range to him IP would check behind most of the time as he now doesnt have much hands that can valuebet all three streets. 

So one idea is to bet big with our trips for value and with some of the weakest hand in our range, and checkcall the rest. This is good for our trips as we get more value this way. Its worse for our blufcatchers as it forces IP to start valuebetting lighter on the turn. So we bet some trips and check some and somewhere in the middle we get some sort of equilibrium. I think this is a good strategy on boards like j82 when the 8 hits on the turn. IP would certainly check behind a lot of 8s so when we have the 8 we have the best hand very often so we need to bet to get value. we can also have some weak hands and draws that we can use to bluf. 

The k73 example from the video is a little bit different. Here IP wil probably cbet the flop more often with some 3x, and we flat less often preflop with 3s. So overbetting a wide range makes less sense in this situation. 

Kevins idea to bet 1/4 with whole range is interesting. It seems like the main purpose of it is to put hands with two overcards to the 7 in a tough spot. A lot of those hands won't  be able to bluf the turn so folding them out seems like a good result for our own 7x.  It also makes sense (I think?) that betting small  with your whole range when you have a small range advantage could be better than checking the whole range simply because we force some money in the pot with a equity advantage.  

Would be nice to see some quantitative arguments why/if betting 1/4 with range is better than mixing it up between checks and bigger bets. 

Checkraising also is a possibility ofcourse. Having a balanced lead, checkcall, and checkraiserange seems like a hard thing to do tho. I think checkraising makes most sense on a board like j74ss with the offsuit 4 hitting on the turn. On boards like that the ranges are a little bit more linear and there is more incentive for IP to bet Jx for protection. His blufs have more equity aswell so theres more incentive for us to raise to punish draws. Its also harder to lead as the IP will have a strategic advantage on a lot of rivers after he calls because our trips wont be as good anymore when draws kick in and IP can have a lot of them. 

^ a goran  a 1/4 donkbet is very close to a check so IP should play almost the same as he would play vs a check. He will fold some of his weakest hand, raise with whatever range he thinks is good enough for it and balance with blufs. Call with medium strenght hands as well as with some slowplays. Facing bigger bets OOP range is gonna be more polarized so we raise less often. We have a lot of blufcatchers and not that many nutted hands so it seems like there is a lot of value in slowplaying. The bigger villain (should) bet with his trips, the less of a raising range we need. We should have some small raising range in theory i think when villain best size is anything under geometric growth of the pot as that would assume that we have the nuts often enough that OOP cant bet superbig with trips. In that case if we would only play flat or fold OOP should bet even smaller on the river giving us a reason to raise the turn. 


Juan Copani 10 years, 10 months ago

Hey Kevin, i saw your last video, and i did like your donk lead when the turn came an A on minute ~33. 

Id like to know what is the bottom of your value range on that lead? Have sense to me if we put our really strong hands like 2p+ (maybe even AJ/AQ if we have a low frecq% by coldcalling those ones), and we leave plenty of our A7o type hands to keep defending our xCalling range. 

What are your thoughts about this ? 


Kevin Rabichow 10 years, 10 months ago

I think you may want to read through this thread for clarification on why, but my choice to lead 1/4 pot on that particular turn is something I'm going to do with every hand in my range. There isn't really a 'value range' to speak of. 

Zachary Freeman 10 years, 10 months ago

Seems this strategy becomes less effective if IP adjusts by cbetting more A high and smaller pairs. 

Kevin Rabichow 10 years, 10 months ago

Yep, I won't do this vs. everyone on the same cards. I'm curious though, is it really all that important to stop me from making this play? If he changes his ranges dramatically I'll probably be able to identify some new spots where my range improves against him and apply it accordingly.

AF3 10 years, 10 months ago

I'm curious though, is it really all that important to stop me from making this play?


Well, an event with probability of more than 5% of happening does seem kind of significant.  I don't see why the pairing gives the caller an advantage, though.  Shouldn't there be a lot of situations in Heads Up No-Limit where the original raiser is betting most of their pairs?  Especially their strong second pairs?  

Nick Howard 10 years, 10 months ago
If called, the river *should* play out very similarly to how the action might go if you had checked and villain checked behind. In practice that doesn't seem to be the case, though. 

this is what makes me think that we're losing value with our trips+ range by not using a more polarized turn leading range with larger sizing.  We have the option of overbetting river to try to regain some value, but even then it seems like we should be trying to build the pot more geometrically from the turn.


PurplePanda 10 years, 10 months ago

 The problem with leading polar is what it may do to our checking range. Finding a balanced checking and leading range (bigger sizing then quarter pot) with our whole range seems rather difficult but it probably is best albeit more difficult to implement.  I do agree that leading some hands just seems counter intuitive.



Sauce123 10 years, 10 months ago

We hit a card that gave us 10-25% sets, and sets aren't folding.  Obv this only happens like 20% of the time, so villain won't have planned to have a ton of stuff on these cards.  So we don't let villain get a free one.  XC more gutters and OEs on early streets for extra EV from this line.

Sauce123 10 years, 10 months ago

Also, I just want to re-iterate that in a lot of situations this play adds very little EV to our strategy, so figuring out how to play it perfectly is a big time waster imo.  There's some spots where it does really well, and those are the ones to focus on- for example if flop is A62ddc hu nlhe and OOP XC, turn is 6h, and IP's cb range contains very few 6x combos and maybe is polarized to not contain a fair amount of weaker Ax combos- in a spot like that OOP needs to leverage his A/trips frequency in some way or other and it will be a bigish mistake to check with range.  But take same flop and give IP a more linear cb range and make turn the 2h and OOP is probably making a mistake betting with range, which is why I think you guys shouldn't get super excited about this play because it's easy to misapply and when it works it only wins a little and when it loses it loses a lot.


geek 10 years, 10 months ago

Ben,

In your ballpark opinion, how low should villains turn bet % frequency be on a specific turn card before donking becomes a highly desirable EV option for our turn distribution?


geek 10 years, 10 months ago

You do not think that a very low turn bet % on a turn middle card pairing is not a good indicator for an equity advantage/polarization of hero's range?  Is there any other stat, metric or CREV data category that you would consider to spot the best situations for such turn leads?  

I tend to agree with you that the added EV in most spots by this lead play can be overwhelmed by the newfound complexity/mistakes, so I am trying to find quantifiable ways to spot the few very best situations/opponents where the EV gained is worth the effort.

Sauce123 10 years, 10 months ago
Geek,

The play in question is a small bet, so the metric in question is the set of factors that make betting small good.  Typically this is going to be an equity advantage along with decent nuttiness and a fairly small subset of hands that benefit from bluff/protection betting.

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