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Calling Maths

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599ALG
Joined: 13.08.2014

Hello,

Can I ask how would you quickly count if the call is mathematically correct when you are at the table at lets say have around 20 seconds? (and cannot use Equilab)

Poker Stars, $0.01/$0.02 No Limit Hold'em Cash, 6 Players Zoom

SB: $2.78 (139 bb)
BB: $1.54 (77 bb)
Hero (UTG): $2.11 (105.5 bb)
MP: $1.32 (66 bb)
CO: $0.90 (45 bb)
BTN: $2.60 (130 bb)

Preflop: Hero is UTG with A K
Hero raises to $0.05, MP calls $0.05, CO calls $0.05, BTN folds, SB calls $0.04, BB folds

Flop: ($0.22) J K 6 (4 players)
SB checks, Hero bets $0.12, MP calls $0.12, CO folds, SB calls $0.12

Turn: ($0.58) 5 (3 players)
SB checks, Hero bets $0.18, MP folds, SB raises to $0.48, Hero folds

Results:

Spoiler

$0.94 pot ($0.03 rake)
Final Board: J K 6 5
SB mucked and won $0.91 ($0.56 net)
Hero mucked A K and lost (-$0.35 net)
MP mucked and lost (-$0.17 net)

Villain:
SB: 34/19
3bet 7,8
4bet 4,2
Flop Cbet 86
Turn Cbet 71
Turn Raise - 1st time per 373 hands I have on him. A reason for me to fold.

Thank you,
599ALG


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9 replies

Hello,

Again, as one in the previous hands - raise bigger preflop.

Flop bet should be bigger as well - like 18 cents.

Turn bet is again quite small - overall you should almost never bet less than 1/2 pot.
I would bet $0.4 here.

As played, it's an easy call given the fact that he can easily raise Kx hands for value against our small bet.

In vacuum, you could just count your outs - so it's 9 spades out of 46 cards left => 9/46 = 0.195 => 19.5%.

Best,
Plamen


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599ALG
Joined: 13.08.2014

Thank you for your reply and advise.

What would be your standard preflop raise with this hand? 3, 3,5bb?

Once we count out the maths 9/46 = 0.195 => 19.5%, what do we do with this number we have? What percentage is good enough to call and what would be to little?

Thank you,
599ALG


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I usually make it 3bb from this position, but wouldn't mind making it 3.5 or even 4bb.

This number is your equity - so now you have to count your pot odds.

You need to call 30 cents for a pot of 154 cents, so you need at least 19.48% equity to justify a call.


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599ALG
Joined: 13.08.2014

Thank you for your advise.

Now we have:
19,5% our equity.
19,48% pot odds.

Do we need to count implied odds as well?

In this case (for my level of knowledge) we should count the implied odds in the following way:

We need to call $0.30 on the turn and we have 9 outs.

The short formula would be 0.30 x 1,5 = 0.45

As I understand $0.45 is the number we need to win to break even in the long term. If we bet $0.46 on the river and he calls we are having 0.01$ +.

In our hand the opponent has $0,45 in his stack, so implied odds allows us to call as well.

Is this what I wrote is correct or did I mix everything up?

Thank you,
599ALG


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yes, plus maybe even K or A is your out, he might have some 2pairs , but also some of your spades doesnt have to be yourr out, but still its OK to call there as u getting 20% odds from pot and u have 20% equity of hand + implied odds can make this even more profitable, that means if u can get additional $$ from villain if u hit your outs


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What is 1.5 in your calculation here?

Overall, we do not need to count the implied odds in this situation as we clearly have a +EV call right on the turn, so calling is the right thing to do even without implied odds.


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599ALG
Joined: 13.08.2014

Thank you for your replies.

Regardind 1.5:

As we know the original full way of counting implied odds is super long.

There is a shorter version for approximate counting which is around 95-98% accurate and it take just a few seconds.

So in this case when we have 9 outs we need to multiply what we need to bet times 1,5 and we will get around 95-98% or even more accurate answer for what we need to collect on a river as a minimum for this call to be a break even in the long term.

In our case:

0.30 x 1,5 = 0.45. That means the minimum we need to collect to break even is 0.45$ and everything more than that is our profit.

Regarding:
'Overall, we do not need to count the implied odds in this situation as we clearly have a +EV call right on the turn'

So, can I check if:

19,5% our equity.
19,48% pot odds.

19,50-19,48 = 0.02% is a really a clearly +EV call? Do we only need that little to consider the call decision +EV?

Thank you,
599ALG


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Well in order to determine whether or not a call is +EV or not we just need to compare our equity and the needed equity to make a call.

In this case, our equity is a little bit higher (even when we only consider our flush outs) so yes, calling is fine.


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599ALG
Joined: 13.08.2014

Thank you for your advise.


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