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Practical Poker Math

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These odds might be more easily understood and used when<br />

expressed as a probability.<br />

To convert these odds to an expression of probability<br />

remember that odds are an expression of<br />

WILLNOTs : WILLs<br />

.85 : 1<br />

and probability expressed as a percentage is:<br />

WILLs<br />

* 100 = Probability as %<br />

Total Possibilities<br />

WILLNOTs (.85) + WILL(1) = Total Possibilities (1.85)<br />

1 * 100 = 54%<br />

1.85<br />

With the above draw, the player will make either/both a<br />

Straight or a Flush 54% of the time.<br />

The odds of .85 : 1 and the probability of 54% are two different<br />

ways of saying the same thing.<br />

Open Ended Straight Draw & Pair >>> Either or<br />

Both a Straight, a Set or Better with 2<br />

Cards to Come<br />

Of 47 cards, 8 will make the Straight, 2 will make the Set or<br />

better, and 37 will make neither:<br />

10 * 37 = 370<br />

370 2-card combinations will contain 1 and only 1 Straight<br />

card.<br />

109<br />

After the Flop

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