Choosing Slot Machines | Professor Slots

Introduction to Choosing Slot Machines

Once a specific casino has been determined to currently be the best of any available, choosing slot machines becomes the next step towards making a profit at slots.

Remember, statistics supplied to state gaming commissions show that the odds of winning is, on average, somewhere around 90%. By assessing all available casinos, then selecting the best available, you’ve already improved your odds of winning – perhaps by several percentage points.

Whatever your gambling goals are, and we’ll talk about those in the next step Identifying Gambling Goals, for now we need to consider choosing slot machines that will most likely improve our overall odds even more.

So, we’ve walked into our best casino to choose slot machines with the highest odds of winning we can find. But, how do we choose a good slot machine? Most people don’t – they just dive right in without much of a plan. Well, we have a plan.

Keep Reading … or Listen to my Episode on Choosing Slot Machines!

Why? Because everybody says it’s all about luck. If you pick wrong, “Well,” they say, “better luck next time.” Remember, casino employees are trained to say things like that. If you’d won a jackpot instead, you can believe they would have said, “You’re lucky! I’ll see you later when you win another jackpot!”

Slot attendants have a job to do, and it most certainly isn’t to get you to leave when you should. And, it’s difficult to not to influenced by such comments. But, try not to be.

In the following sections, I’ll briefly explain the following aspects of choosing slot machines:

How odds are set within a slot machine
Choosing denomination and maximum credits based on bankroll
Basics of reading a slot machine’s pay table
A simple way to use pay tables to pick the best machines, and avoid the worst

Two Separate Odds of Winning

Each slot machine is manufactured with a limited number of settings for its odds of providing a win. It may help to understand that slot machines actually have two odds of winning to determine:

If a player will or will not win anything
How much that win will be, i.e., the jackpot amount

Why is understanding these two types of odds important when choosing slot machines? Because, winning slot machines come in all jackpot sizes. Winning small jackpots is still winning, if you’re getting enough small jackpots that your bankroll isn’t shrinking. Even if it is slowly depleting, the bankroll can last quite a bit longer, so that’s also a winning slot machine.

This is called bankroll cycling. It may not seem very satisfactory, but whether it does or not depends entirely on what your gambling goals are. One type of gambling goal, earning maximum complimentary gifts, is most often achieved via bankroll cycling.

Another point about setting slot machine odds is, how often they change? Of course it depends on the age of the casino, as discussed in the previous step Assessing Casinos for Success, or if it’s been renovated lately.

In my experience, older-style casinos change their slot machine odds every 7-10 days. Newer-style casinos can change their slot machine odds whenever the machine has been idle for 15 minutes or more, without a players club card inserted or the machine temporarily locked by a slot attendant.

Choosing Slot Machines: Computations determine the odds of winning.

Matching Bankrolls to Denomination/Credits

Only you can decide how much bankroll you want to risk gambling. I highly recommend bringing only as much money you can safely afford to comfortably lose.

Bankrolls quite literally determine which slot machines you can play. But, there’s more to it than understanding a $100 bankroll let’s you play a 1-credit, $100-denomination exactly once, with very, very little chance of winning.

Whatever bankroll you have limits which slot machines can be played and how much it can be played. Slot machines have denominations ($0.01, $0.25, $1, $5, $10, etc.) and a maximum credits that can be placed in a single bet.

To win at slots, the machines have to be run for awhile before wins are likely. Yes, wins can happen at the first press of a button. But, usually, they need to be played for awhile.

About 100-120 bets is a good amount of be prepared to play to determine if you’re sitting at a winning (or breakeven) slot machine. Certainly be careful initially, perhaps making as few as 20 bets, to determine if it happens to be a “bad” machine. Trust your instincts!

If it is a poorly performing machine, a “tight” slot machine, it won’t pay out anything at all. Quick decisions are necessary here, so limited betting gives a clue to its performance, yet still leaves enough to gamble with on another machine if it isn’t – assuming you stop playing it as soon as you notice it’s not performing well enough.

So, again, you determine how much bankroll you can afford to spend. Now, take that number and divide it by 120 bets. If your bankroll is $60, then that’s 50 cents per bet. In such a way, a good choice is a 2-credit, quarter-denomination slot machine. Or, a 50-credit, penny-denomination slot machine.

Always remember to always play maximum credits for the highest odds of winning. Meaning, your casino may not have a 2-maximum-credit quarter or 50-maximum-credit penny machines. But, perhaps they have a 1-maximum-credit quarter or less-than-50-maximum-credits penny machines. Such slot machines would provide more than 120 bets of play, which is going in the right direction!

Choosing Slot Machines: Gambling is inherently a financial risk.

Reading a Slot Machine’s Pay Table

When choosing a slot machine to play, one important aspect of winning is to review its pay table before playing. Frankly, the casino industry gains an advantage over players that don’t read slot machine pay tables.

Located somewhere on a slot machine is one or more tables showing the amount of credits won if specific combinations of reel symbols appear in the pay line after a bet is made by the player. Below is a relatively generic example of a pay table.

Choosing Slot Machines: Illustration of a Slot Machine Pay Table

The figure shows reel combinations along with their jackpot depending on the number of credits bet. Pay tables don’t typically show how much a credit is worth. In general, the top row is the maximum jackpot of the machine.

Not every reel combination and its associated jackpot are usually shown in a pay table. Other reel combinations not shown in the top rows are also presented in the pay table area. Slot machines with WILD symbols can represent it with a myriad of other possible reel symbols.

A final element of pay table example provided is specialized information on winning reel combinations, which can include an indication of how the slot machine operates during play. The bottom row of symbol explains that that slot machine has reel symbols which will move after the reels stop momentarily.

Such additional features may not activate until the maximum credits are bet. It can sometimes be difficult, or impossible, to determine this. Most slot machines with bonus rounds will provide at least some information about it within its pay table.

Developing a habit of reviewing and studying a slot machine’s pay table can help develop an ability to judge the financial risks involved with playing that slot machine.

Choosing Slot Machines: Examples of real pay tables.

How to Avoid the Worst Slot Machines

The best way to improve the odds of winning via slot machine gambling is to stop making “sucker bets”. In less colorful language, avoid playing slot machines with terrible odds of winning.

First and foremost, understand when choosing slot machines that there are indeed terrible slot machines at a casino. By simply avoiding them whenever possible, on average our long-term gambling return will improve. Each time we raise our odds like this, we’re pushing closer to achieving our gambling goals. So, let’s make sure we do that, shall we?

Calculate this “Goodness Ratio” as follows:

When choosing slot machines, as discussed above, find the pay table with the denomination and maximum credits that best matches your available bankroll.
Take a close look at the pay table. What is the maximum possible jackpot when maximum credits are bet?
- If the top jackpot is displayed in currency, divide it by both the denomination of the machine and the maximum credits
- If the top jackpot is displayed in credits, divide it by only the maximum credits

This “Goodness Ratio” tells us how worthwhile a specific slot machine is to play relative to others. Using this approach, any slot machine can be compared to any other slot machine.

Example: In the pay table above, the maximum jackpot is 2,400 credits with 3 maximum credits. Therefore, its Goodness Ratio is 2,400 / 3 = 800.

Repeat this calculation for slot machines of interest. While this Goodness Ratio will be similar for many slot machines, it can be startling to find “sucker bet” slot machines that might not otherwise be avoided.

Summary to Choosing Slot Machines

After a casino has been chosen, it’s time to select candidate slot machines most likely to result in a relatively high value win. The size of your available bankroll, whatever it is, is an important factor in this selection process. The bankroll size needs to be matched to the slot machine’s denomination and number of maximum credits.

Here, we’ve also discussed how slot machines calculated odds twice: once to determine if you’ve won, and again to determine how much you’ve won. Another important aspect discussed to improve a player’s performance was the basics of reading a slot machine’s pay table.

Finally, we talked about the “goodness” ratio to help select candidate slot machines and, perhaps critically importantly when improving our odds of winning, knowing precisely which slot machines must be avoided.

Next Steps

The next step on your journey to improving slots performance is Identifying Gambling Goals. Enjoy! My research indicates I’m the first to share this information and offer personal coaching for slots enthusiasts, and I sincerely hope you find it both enjoyable and useful. For questions, just reach out to me through any of my social media accounts:

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