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Random Number Generators in Blackjack

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What are random number generators (RND)?

In online casinos Blackjack cards are picked with random number generation.

Playing blackjack online carries the same amount of odds as playing blackjack in a real casino. If you disagree with this fact, there is something you should know about: Random Number Generation.

While researching the odds of blackjack online we came across some interesting information at that gives much needed insight into the world of online gambling.

A Random Number Generator or RNG is used for many things other than gambling games. It also comes in handy when developing statistical sampling, randomized design, cryptography, and computer simulation. There are also a couple different forms that RNG can take.

The first is the computational method, which is used in online casino games. This methodology employs complex formulas and algorithms in order to generate results as random as possible, without a bias. It is much more complicated than the physical method, which is seen in the form of a simple coin flip, dice roll, or wheel spin, to name a few.

The last and least common method is the human method. This is the least favorite because research has shown that no matter how random humans think they are, there is always a subconscious pattern that goes with your alleged randomization.

All online casinos use a random number generator. Every single one is equipped with this software. So when you hear someone who lost at blackjack say that computers "cheat" at gambling games you can chuckle to yourself, and then explain to them what a RNG is. Of course this is only true for the most reputable casinos.

Playing blackjack online is always a good tool to perfect your game, especially with the 'funny' money that almost all reputable casinos give you. You can see for yourself that the cards drawn are random, try it out on a one or two deck blackjack table if you really want to test the theory.

Card Counting Tips: CSMs and RNGs

If you do not already have a basic understanding of how to begin card counting, start with this article about card counting. But there are a few more things that you need to know before you reach your card counting glory.

There are also some blackjack games that you will want to avoid with card counting. Online blackjack and blackjack tables with Continuous Shuffle Machines. The reasons you want to avoid those blackjack games are very similar.

Let's start with CSMs. CSMs are devices in which the cards from one round are fed into the device and the entire deck reshuffled before the next hand is dealt. Hence the continuous part.

This causes none of the cards that have been played to be discarded, and without discards there is nothing to count. Card counting is a way of keeping a loose running tab on the cards that have been played and removed from play under the remaining deck hits its reshuffle point. But since CSMs keep cards from being removed from play there is no point in trying to count them.

As for online blackjack, it is powered by a Random Number Generator. An RNG functions similarly to a CSM, but not exactly.

When an online blackjack game is created, its RNG is coded to generate each possible outcome with its probability of occurrence, such as all possible starting hands and dealer up card combinations. When a player starts a new hand, the RNG pulls from every possible starting hands and dealer up card combinations given the virtual deck. This has an effect like a CSM because no cards are ever 'discarded,' it is possible for any of them to show up in the next rounds.

Because cards are not effectively discarded in a blackjack game with CSMs or RNGs card counting becomes useless in those games. It is best to stick with a standard game of blackjack in a brick and mortar casino-one without a CSM.


Now it is time to visit one of the best online casinos for blackjack.

Good Luck at the blackjack tables.