Big Jon’s Pc Games
How to Calculate Potodds
The best thing you can do is read something by Sklansky, but I’ll give you a brief rundown.
A flush draw normally has 9 outs with 45 cards left in the deck. This means for every card in the deck that will help you, 5 will not. Describing that as odds, it’s 5-1 against you hitting the flush, so you need better odds then that from the pot in order to show a profit. If the pot is $100, and someone bets $20, it would cost you $20 to chase your draw with a $120 pot, which is 6-1 on your money. For every $1 you have to put in, there is another $6 already in the pot. So you will show a profit by making that call.
To make a flush or straight draw fold you need to bet more then 1/4 of the pot. 1/3 to 1/2 of the pot is good for giving draws the wrong odds to push on. I think Fonz did a more detailed guide, but those are the basics.
if the odds you get from “amount in pot” / “amount to call” is greater than or equal to your odds of winning then call.
But think ahead too. A lot of people lose more than they need to on draws because they call a big raise on the flop ‘cos “they have two cards to come” which gives them a good chance of hitting. They totally forget that the big raiser is most likely to hit them with an even bigger raise on the turn which, if they haven’t already hit, is going to force them to fold because they are way behind on the pot odds. The moral being that on the flop you shouldn’t rely on getting to see both of the cards to come when there is a big raiser in the hand, you should calculate the odds on the basis of seeing only one card, this should encourage you to fold more and hence lose less.
You can estimate your odds of hitting a hand in a fairly simple way.
Multiply your outs by 4 after you see the flop, or you can
multiply you outs by 2 after you see the turn.
The above will give you a rough idea of your odds of making the hand.
Let’s say that with the river card to come, you have 9 outs (a flush draw)
9 outs x 2 = 18
You are around 18% to make your flush on the fall of the next card
(this is a rough way of working it out- the actual odds are 19.6% I think)
So, roughly, 18 times in 100 you will make your flush. This is a little better than 4 to 1 odds.
If the pot offers you 4 to 1 or better you are getting correct odds to make the call.
(In the above example, after the flop: 9 outs x 4 = 36, 36% to make the flush on the next to cards, about 2 to 1)
In some hands of course you might be able to guess- that if you make your hand- the eventual size of the pot that you win will make your call justified. This is known as implied odds.
You play regularly I believe and are probably weighing up pot sizes and your chances of making hands. You likely doing much the same as we all do but without the numbers in your head ie using pot odds and implied pot odds maybe without realising it.
It’s good to count know you outs on every hand you play. After a while it becomes natural and it’s not something you really do consciously. I’m certainly no mathematician but even when I do make mistakes, I’ll be pretty close to knowing roughly what my outs and pot-odds are.
That is why chasing an inside str8 is regarded as very bad play (remember A234 and AKQJ are effectively insiders). You will hardly ever get 10.5/1.
That is why chasing an outside str8 (4.75/1) or a flush (4/1) against a big raise is bad play unless there are other callers who bump the pot up. Anything bigger than a 1/3 pot raise messes up your pot odds if there are just the two of you left in.
But a SF or RF draw? Most of the time go for it. As you should be able to see from the list, it takes a really massive bet to mess up your odds.
It also explains what looks like an apparent contradiction, some hands, particularly draws, are classified as fold or bet or raise, but not call. The point being that a big bet or raise introduces the extra possibility of all fold. You are basically playing a semi-bluff as you have no made hand at the time you bet. Making a big re-raise of a big bet is well dodgy though, unless the other guy is over stating his hand you already know he isn’t going to lay it down which means you are not getting the all fold possibility which makes a simple bet or raise of a small bet playable.
About the Author
Thanks to http://www.blackjake.net
http://www.casinoebooks.com> i am a player that love the game and help gamblers.
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