Webinar Poker Pokerplay by Selzer-McKenzie SelMcKenzie
Video: http://youtu.be/_wXL0LbhDhw
Sunday, Februar 24,2013, 10:00 to 12:00 h
Referent: D.Selzer-McKenzie
Dr. of Molekularbiology and Genetics,
Graduate Harvard-University, Boston
Subject matter: Pot Odds by Poker
Pot odds are the odds the pot is giving you for calling a
bet. lf there is $50 in the pot and the final bei was $ 1 0, you are getting
5-to- 1 odds for your call. lt is essential to know pot odds to figure out
expectation. In the example just given, if you figure your chances of winning
are better than 5-to-1, then it is correct to call. Ef you think your chances
are worse than 5-to-1, you should fold.
Calling an the Basis of Pot Odds When All the Cards are Out
When all the cards are out, you must decide whether your
hand is worth a call, and that depends upon the odds you are getting from the
pot and what you think of your chances of having the best hand. lt is a
judgrnent problem more than a math problem hecause there is no way to calculate
your chances of winning precisely. lf you can beat only a bluff, you have to
evaluate the chances that your opponent is bluffing. When you have a decent
hand, you must evaluate the chances that your opponent is betting a worse hand
than yours. Making these evaluations is often not easy, especially when you
have a marginal hand like two pair in seven-card stud. Your ability to do so
depends upon your experience, especially your ability to read hands and
players. Some things can be leamed only through trials by fire at the poker
takle.
Calling on the Basis of Pot Odds With More Cards to Come
What about deciding vrhether to cal' before the draw in draw
poker and in stud games when there is one card to come? Now the math becomes
important. If you know you have to improve your hand to win, you have to
determine your chances of improving in comparison to your pot odds. With a
flush draw or an open-ended straight draw —we'11 assume the game is tIve-card
draw poker ¬you would be correct to call a $10 bet when the pot is $50 since
your chance ofmaking the flush or the straight is bettet than 5-to¬1.
Specifically, the odds of making the flush are 4.22-to-1 against and the odds
of making the straight, 4.88-to-1 against_
Figuring the odds for making a hand is done on the basis of
the number of unseen cards and the number among thern that will make the hand-
In flve-card draw there are 47 unseen cards the 52 in the deck minus the fixe
cards in your hand. If you are holding four of a suit, nine of the 47 unseen
cards will give you a flush and 38 work' t. Thus, the odds against making the
flush are 38-to-9, which reduces to 4.22-to- I . If you are holding, say
then cight of the 47 unseen cards will make the straight —
four 8s and four kings— while 39 of the cards won 'I help, which reduces to
4.88-to-1. When a joker or bug is used, as in public card rooms in California,
you have an additional card to use to make flushes and straights, which
improves the chances of making the flush to 3.8-to-1 and of making the straight
to 4.33-to-1. With a joker in your hand, the chances ofnlaking a straight
improve dramatically
any 6, 7„ jack, or queen makes the straight, reducing the
odds to exactly 2-to-1 against. Sixteen cards make the hand, and 32 don't. The
smaller the pot odds vis-ä-vis the chances of making your hand, the more reason
you have to fold. With only $30 in the pot instead of $50, calling a S 10 hei
for a flush draw or a straight draw (assurning you do not have a Joker in your
hand) becomes incorrect — that is, it becomes a wager with negative expectation
unless the implied odds are very sarge, as they might be in a no-limit or
pot-limit garne.
lt is because of the pot odds that people say you need at
least three other players in the pot to make it worth paying to draw to a flush
in draw poker. With the antes in there, the pot odds are about 4-to-1, and when
the bug is used, your chances of making the flush are 3.8-to-1 . Notice,
incidentally, the effect of the antes. The higher they are, the better the pot
odds, and the easier it is to
with a flush draw_ On the other hand, with no ante and three
other players in the pot, you'd be getting only 3-to-1 if you called a bet
before the draw, and so you'd have to fold a four-flush.
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