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I'm trying to write a simple game/utility to calculate poker odds. I know there's plenty of resources that talk about the formulas to do so, but I guess I'm having trouble translating that to code. Particularly, I'm interested in Texas Hold-em ...
I understand that there are several different approaches, one being that you can calculate the odds that you will draw some hand based on the cards you can see. The other approach is calculating the odds that you will win a certain hand. The second approach seems much more complex as you'd have to enter more data (how many players, etc.)
I'm not asking that you write it for me, but some nudges in the right direction would help :-)
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Pot odds are the ratio between the size of the pot and the size of the bet. For example, if the starting pot is $10 and a player bets $5—half the pot—then the pot size is now $15 and a player is facing a $5 bet. 1. The pot odds are 15:5 and ideally you want to reduce the right side of the ratio to one.
How to Calculate Pot Odds. To calculate pot odds, you simply divide the amount of money you have to put in to make the call by the total size of the pot. We can illustrate this with an example. There is $200 in the pot, and an aggressive early-position opponent bets $100 on the turn.
To know the odds of making your flush on the turn, simply multiply your outs by two. To know the odds of making your flush on the river, multiply your outs by four. In this case, you have a roughly 36% chance of making your flush by the river.
Probability: divide chances of winning by the total number of chances available . For example, if you buy one ticket for a raffle with 100 tickets sold, you have one possible chance at a win, with 100 possible chances overall. Your probability of winning is 1/100.
Here are some links to articles, which could help as starting points: Poker Logic in C# and Fast, Texas Holdem Hand Evaluation and Analysis
"This code snippet will let you calculate poker probabilities the hard way, using C# and .NET."
The theoretical fundamentals are given in this Wikipedia article about Poker Probabilities and in this excellent statistical tutorial.
An example of a complete project written in Objective-C, Java, C/C++ or Python is found at SpecialKEval. Further links and reading can be found therein.
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