Texas Hold'em poker odds and outs
Image The rule of four-two is an extremely easy way to figure out basic poker odds for most situations where you know your outs. The rule of four-two is an extremely easy way to figure out basic poker odds for most situations where you know your outs. This method is not 100% accurate but it will supply you with an idea of your chances for making a decent poker hand. Here is how it works:

With two cards to come after the flop you multiply your number of outs by four. With one card to come after the turn, you multiply your number of outs by two.

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This will give you a quick figure to work with. If you have a four-card flush after the flop you have nine outs. With two cards to come, you multiply the nine by four and you get 36 percent chance of making the flush. The chart shows the true odds at 35 percent. With one card to come you multiply nine by two and get 18 percent. The chart shows that the true figure is 19.6. It is not completely accurate but it is pretty close, and it is an easy calculation to do in your head.
 
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