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Search: Posts Made By: R Gibert
Forum: Poker Theory 11-28-2007, 04:37 PM
Replies: 6
Views: 82
Posted By R Gibert
Re: Pot Odds Calculation - Help! - Need trips or two pair

I'll respond to (1) only.

First off, if you are crediting him with a pocket pair, then there are 45 unseen cards rather than 47. The approximation for the probability you will catch one of your n...
Forum: Probability 11-17-2007, 06:30 AM
Replies: 15
Views: 117
Posted By R Gibert
Re: Looking for event-based random number generator

This is very easy. Generate a set of 100 random numbers with whatever distribution you want. Compute the std dev and mean for this sample.

Now compute the ratio of the desired std dev with the...
Forum: Probability 11-10-2007, 11:18 AM
Replies: 9
Views: 107
Posted By R Gibert
Re: Infinite bankroll paradox

This line:

= 0 *** Not Kosher ***

should have been:

= -1 *** Not Kosher ***

Which was(is?) your conclusion.
Forum: Probability 11-10-2007, 09:47 AM
Replies: 9
Views: 107
Posted By R Gibert
Re: Infinite bankroll paradox

Your conclusion that the EV is -100% is not right. What you did was separate out the calc of the frequency with which you are a winner, which is 0% and concluded that the EV was -100%. With more...
Forum: Probability 11-08-2007, 02:26 PM
Replies: 45
Views: 340
Posted By R Gibert
Re: is the EV for this game really infinity?

There are games in game theory where how many times they are played makes a difference, but this is due to the exercise of memory by one or both participants. Past decisions have an impact on future...
Forum: Probability 11-08-2007, 10:04 AM
Replies: 45
Views: 340
Posted By R Gibert
Re: is the EV for this game really infinity?

Your solution does not incorporate any information concerning what the payoff is when the game lasts 1 flip or if the game lasts 3 or more flips as if this had no impact.

You can't just separate...
Forum: Poker Theory 11-06-2007, 11:45 AM
Replies: 9
Views: 86
Posted By R Gibert
Re: definition - metagame

Exploiting exploitive play.
Forum: Probability 10-18-2007, 10:00 PM
Replies: 6
Views: 75
Posted By R Gibert
Re: Prob of not drawing card in x trials...help

46.311% confirms your other calc with the following more general program:
<font class="small">Code:</font><hr /><pre>
from random import *

n = 100000
t = 90
k = 52
c = 0
deck = range(52)...
Forum: Probability 10-18-2007, 09:16 PM
Replies: 6
Views: 75
Posted By R Gibert
Re: Prob of not drawing card in x trials...help

Okay, I did goof. I misinterpreted the problem.

The good news is that your calc appears correct. Here is my amended program:
<font class="small">Code:</font><hr /><pre>
from random import *

n...
Forum: Probability 10-18-2007, 07:28 PM
Replies: 6
Views: 75
Posted By R Gibert
Re: Prob of not drawing card in x trials...help

In my Monte Carlo program P(at least 1 not drawn) is 100% for 90 shift/trials. If I increase the number of shift/trials to 120, I get 99.789%. With 180 shift/trials, I get 81.699%. Here is my Python...
Forum: Probability 10-16-2007, 07:57 PM
Replies: 12
Views: 90
Posted By R Gibert
Re: basic probability question counter intuitive?

Okay, you're exactly right. What I've said about your formula was wrong.

What you have is literally:

P = (A + A'B) + (1 - (A + A'B))C

and how you describe it is exactly right:

= A + A'B...
Forum: Probability 10-16-2007, 02:35 PM
Replies: 12
Views: 90
Posted By R Gibert
Re: basic probability question counter intuitive?

See

http://forumserver.twoplustwo.com/showth...D=#Post12527998 (http://forumserver.twoplustwo.com/showthreaded.php?Cat=0&amp;Number=12527998&amp;page=0&amp;vc=&amp;PHPSESSID=#Post12527998)

It seems we are...
Forum: Probability 10-16-2007, 02:31 PM
Replies: 12
Views: 90
Posted By R Gibert
Re: basic probability question counter intuitive?

Note that

P = A + A'B + A'B'C

= A + A'(B + B'C)

The latter is the method given by BruceZ where one multiplication less gets performed.
Forum: Probability 10-16-2007, 12:50 PM
Replies: 12
Views: 90
Posted By R Gibert
Re: basic probability question counter intuitive?

[ QUOTE ]

The probability of getting an A or a K on just the first 2 flop cards, which we will call P2, is:

P2 = 6/48 + (1 - 6/48)*(6/47) =~ 23.67%

and then for all 3 flop cards it is:
...
Forum: Probability 10-16-2007, 12:21 PM
Replies: 12
Views: 90
Posted By R Gibert
Re: basic probability question counter intuitive?

Oops! /images/graemlins/blush.gif

Nevermind.
Forum: Probability 10-16-2007, 12:08 PM
Replies: 12
Views: 90
Posted By R Gibert
Re: basic probability question counter intuitive?

[ QUOTE ]
[ QUOTE ]
well it's counter intuitive for me at least /images/graemlins/confused.gif and not so basic! /images/graemlins/tongue.gif

so i'm trying to figure out the % chance of...
Forum: Probability 10-16-2007, 11:55 AM
Replies: 12
Views: 90
Posted By R Gibert
Re: basic probability question counter intuitive?

Here is a formula you could use for this:

P = A + A'B + A'B'C

The apostrophe (') denotes a math object called a "conjugate." In math conjugate means different things in different contexts. In...
Forum: MTT Strategy 10-15-2007, 02:07 PM
Replies: 2
Views: 153
Posted By R Gibert
Hachem Bluff

In Sunday's LA Times, Rosenbloom gives the following hand played between Joe Hachem (=JH) and Keith Lehr (=KL) at the $15,000 buyin Doyle Brunson North American Poker Classic at the Bellagio in 2006....
Forum: STT Strategy 10-12-2007, 07:15 PM
Replies: 8
Views: 50
Posted By R Gibert
Re: $11 KQ play

I'm having a lot of trouble putting him on a hand that could sensibly play this way and that you are ahead of.

What is worse, despite the inviting pot odds, the hands that I do put him on preclude...
Forum: Probability 10-10-2007, 12:56 PM
Replies: 4
Views: 53
Posted By R Gibert
Re: Solving problems in Reverse

The answer depends on whether you would accept an approximation and how accurate you want the approximation to be e.g. my answer to all problems is 1 /images/graemlins/wink.gif

The most obvious...
Forum: Probability 10-08-2007, 04:21 PM
Replies: 6
Views: 77
Posted By R Gibert
Re: coin flip probability problem

For 10 heads occurring at least once in 100 tosses:

The probability is exactly: 6993823047305143749226306585/158456325028528675187087900672

The odds are exactly:
151462501981223531437861594087...
Forum: Probability 10-07-2007, 01:30 PM
Replies: 9
Views: 94
Posted By R Gibert
Re: formula 2 calculate EV?

[ QUOTE ]
<font color="#FF4444"> </font> You don't include the amount you have to call because that's no money you can win. It's the money you pay for the chance to win. So the 2nd formula is...
Forum: STT Strategy 09-19-2007, 09:15 PM
Replies: 2
Views: 20
Posted By R Gibert
ICM algorithm

I got this from the FAQ concerning the ICM algorithm:
[ QUOTE ]

P^m_i = prob. of mth place for ith player
P^m_i = sum_{k!=i} P^1_k*P^m-1_i(S_~k)
where S_~k is the stacks after removing the k'th...
Forum: Poker Theory 09-15-2007, 07:57 AM
Replies: 2
Views: 339
Posted By R Gibert
What are the most demanding starting hands?

What are the types of starting hands that are the most demanding skill-wise to play? From late position? From early position? With a deep stack of over 100 BB? With a stack of about 30 BB? Please...
Forum: Poker Theory 09-10-2007, 10:37 AM
Replies: 17
Views: 82
Posted By R Gibert
Re: How is this calculated?

There are 820 possible turn+river deals excluding order:
The AhQh win with a flush on 136 of these.
The 8s8c win with quads/fullhouse on 237 of these.

In other words, the 8s8c win about 10.4%...
Showing results 1 to 25 of 52

 
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