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Old 11-03-2002, 06:18 PM
paulrq paulrq is offline
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Join Date: Oct 2002
Posts: 4
Default Most important probabilities to know?

Is there any consensus on a basic set of probabilites existing that every texas hold'em player should know? Right now, I'll be honest and say I don't do a lot of mental math at the table, and I'd like to change that--I just dont know where to start. I eyeball the pot and the number of players when I'm, say, chasing a flush or straight draw. I understand the basic difference implied and reverse implied odds. What's next? It just seems there are too many unknowns for an odds calculation to really matter when you're at a table staring at a flush draw flop, and the guy across the table could have anything in the neighborhood of AKs to 99. The books talk about on-the-spot calculations with statements like: "Suppose one of the three players has an 80 percent chance of holding two pair while the other guy has a 60 percent chance of holding trips..." How can odds calculations based on guesses like that be valuable at all? What am I missing here?

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Old 11-04-2002, 04:19 AM
lorinda lorinda is offline
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Join Date: Sep 2002
Location: England
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Default Re: Most important probabilities to know?

The better you get at the game, the better your guesses will be.

For instance, there is a flush draw on the flop, you bet top pair, and get raised by the button.
The books cannot tell you more here without knowing the sort of player you are up against, some players are far more likely to raise this than others, so there is a probability that he has a flush draw.

You must weigh up the factors, if a guy ALWAYS raises in this position with a flush draw, then you need to assume that he either has a flush draw or a strong hand, from this you can make an estimate of what the % chance is that he has a flush draw.

A lot of the time you will not actually do the calculations, but if you read the books, they give you a feel for when a call may be right in a strange situation.

One of the classic ones is the semi bluff.
Often the small chance that a guy will fold by semi bluffing puts the value of the bet from negative (calling) to positive (betting) even if there is only, say, a 25% chance he will fold.

Use the numbers the books give as guidelines, there is not such a need to actually assign a value, just understand which sort of values affect these plays.
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