How do slot machines work?

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How slot machines work

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Every player who was determined to win at any cost has asked this question. In theory, understanding the slot machine itself should make it possible to create strategies that lead to guaranteed winnings. In practice, this is unfortunately not the case. At the core of every slot machine is a random number generator. For this reason, it is not possible to develop a strategy that guarantees a win. You cannot influence the behavior of slot machines in any legal way.

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How slot machines work

Modern slot machines operate by spinning reels. These are activated by the player pressing a button. The number of reels varies depending on the machine, developer, and game type. Older versions typically have only three reels, while newer ones usually feature five. Some machines even offer nine rows of symbol reels, but this type is not widely available in the Czech Republic. As mentioned earlier, the key function is handled by a random number generator. The result of the generator is called the “payout ratio”. This ratio is set during the machine’s manufacturing process. The payout level is defined by the casino owner’s requirements and is regulated by Czech legislation. The law sets a minimum threshold that must be met. Aside from the payout ratio, other factors influence the chances of winning. The number of reels, symbols, and potential paylines are details a player should know beforehand. These not only impact the potential outcome but also affect the fun and experience of the game for many players.

What happens inside?

The reels of a slot machine contain fields with special symbols. Each of these symbols has a specific value. When the reels stop in a particular position, the player wins. On some machines, you can even choose which symbol has the highest value. However, this doesn’t affect the mechanics of the game. The entire process begins when the player presses a button (or pulls a lever in older machines). A computer with a built-in random number generator selects a number corresponding to a winning or losing field. Most numbers are, of course, assigned to losing combinations. The actual spin is determined based on numbers representing specific symbols. The mathematical module translates the generated number to determine where the reels should stop. So the machine already “knows” which symbol will appear before the reels stop. The largest number of values within the generator’s range is assigned to symbols located right next to winning symbols. This significantly increases the chances of landing near a win, creating a sense of excitement and the impression that the win was just barely missed. The entire process repeats with every spin. Your previous games have no effect on the current one. Your number of past wins or losses does not influence the next spin in any way. The only factor that plays a role is time. The generator produces thousands of random numbers every second. So starting the machine a second earlier or later will always yield a different result. However, there’s no way of knowing whether this would have improved your chances or not.

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How does playing slot machines work?

The game itself is very simple. The vast majority of slot machine games operate on the same principle, and none of them require players to learn long and complicated rules. Playing slots begins by selecting the bet amount that the player wants to wager, followed by pressing a button or pulling a lever. This sets the reels in motion, which stop after a short period and display a combination of symbols the player has landed. The reels feature various symbols of greater or lesser value. If these symbols create a winning line, the player wins. Each spin is completely unrelated to the previous one. For this reason, you cannot assume that a machine is “primed” to pay out or that a win is approaching just because none has occurred for a while.

Are slot machines subject to any control?

Yes, modern slot machines are subject to strict operational audits. These controls are carried out not only by the casino itself but also by the state. Proper functionality of all machines is also in the interest of the casino owner, primarily to maintain their license. For example, if incorrect RTP (return to player) values were found, it could result in serious issues and penalties for the operator responsible for the casino’s operation.

How do casinos make money?

The answer to this question should be understood from a long-term perspective. The key value here is the so-called payout ratio. This tells us the percentage of money returned to players versus the percentage kept by the casino. The payout ratio is regulated by law. RTP is the term used for the same value from the player’s perspective. In this case, we are not interested in how much the casino earns, but how much is returned to the players. This data lets us calculate the minimum return on deposits over the long run. It is important to remember that the casino always has the advantage over the player. Even if this is just a small percentage of all deposited amounts, the casino always receives some share.

Frequently asked questions

What is the range of the RNG?
The range of numbers the generator can choose from depends on the specific random number generator implemented, particularly on its technical and informational parameters. For example, a 32-bit generator selects from numbers between 0 and 4,294,967,396.
Does the bet amount influence the chance of winning?
The chance of winning is a figure that can be calculated relatively easily. All you need is the total number of possible combinations on a specific slot machine and the number of winning combinations (note: do not confuse this with the number of paylines). If we have access to the game plan and know the number of symbols and reels, we can calculate the probability of winning ourselves. Simply divide the number of winning combinations by the total number of possible ones. In this case, the value of your bet is not required, so we can say that the bet amount does not influence your general chance of winning.
How does the number of symbols affect the game?
Today, there is a wide variety of slot machines and games. One of the key differences is, for example, the number of reels and symbols. Some machines have three reels, some have five or even nine. In general, the more symbols appear on the reels, the harder it is to land a winning combination. However, this reduced chance also increases the potential payout, making the prize noticeably more attractive.
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Kristyna Baranova

Kristyna Baranova

Article author – casino and gambling expert
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Email: kristyna@slothbet.com

I have been active in the world of online casinos since 2019, when I started visiting Czech casinos with friends. I fell in love with the environment and worked as a croupier for a while. After some time, I discovered a liking for online platforms and have already stayed with them. I try to comprehensively review all online casinos for you, one hundred percent objectively, so that you always have the gambling field perfectly mapped out before you jump into it. You can also look forward to lots of news, bonuses and tips. You can find all my articles here.

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How do slot machines work?