Digital Roulette Table

A Roulette Table In A Casino (Image credit: Qura.com)If you have ever played roulette in a casino, you may have noticed a computer connected to the wheel in some way or another. What’s going on here? Is the casino monitoring your bet placements? Is it somehow altering where the ball lands in the casino’s favor?

We assure you that no kind of manipulation is taking place. The actual reasons vary from casino to casino but are all fair and legitimate.

Read on to find out just why there is a computer attached to roulette tables.

What It Looks Like

The majority of roulette tables out there have a tall “tower” display usually showing where the last 10-20 or so spins on the table have landed. But many other roulette tables will have another computer attached, usually about waist-height and back by where the dealer stands.

What the screen looks like will differ based upon the computer’s software and function (more on that below), but more often than not it will display a digital version of the roulette wheel as it tracks each spin of the wheel in real time. Next to that there will usually be a slew of numbers and percentages that could look suspicious to the untrained eye.

What It Actually Does

Roulette computers’ exact functions differ from casino to casino. In many places, the computer is simply tracking bets, payoffs, and other game statistics such as the speed of the ball and wheel. All of this data is used to make sure that:

  1. the long-term table results meets mathematical expectations
  2. nothing has hit or otherwise disrupted the wheel’s spin
  3. the wheel spin speed increases and decreases as expected
  4. the results aren’t too scattered from a statistical standpoint.

And so on.

Many of these computers also have a gyroscope linked to the wheel. Over time, roulette wheels can start to slip out of alignment, giving certain numbers and spaces a greater statistical advantage. A casino’s job is to offer a truly random gaming experience (all things considered), and this is why roulette wheels are frequently rotated out. The gyroscope is there to detect any misalignment that should occur and alert the casino staff through the table’s computer.

Other Functions

Some casinos allow players to place bets on roulette (and other games) remotely. This can be done from touch screens and terminals located on the other side of the casino or hotel property. These bets are sent to the dealer via the computer next to them in the pit. With the rising popularity of live dealer roulette, we wouldn’t be surprised if you could soon place bets at a live roulette table at a casino on the other side of the world in the near future.

Some casinos also have loyalty point systems based off of how many spins, hands, etc. you play, and this computer can be a way for a dealer to track that all players are being appropriately credited. If this is the case, you’d likely see a similar setup at all the table games in the casino, not just roulette.

What It Doesn’t Do and Why You Shouldn’t Worry

In short, you shouldn’t be worried that the roulette computer is:

  1. monitoring what bets you are placing
  2. somehow changing where the ball lands
  3. manipulating the odds against you in any way.

Roulette already carries a house advantage of 2.5% (about double that for a table with a 00 space), so casinos aren’t losing money on roulette over the long run even if you happen to win big one night.

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Popular Q&A

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What is the color zero on a roulette table?

Zero and double zero are green on all roulette tables.

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What is the size of a roulette table?

Full size casino roulette wheel is 80cm (32") diameter.The table is 96'' L x 46'' W 30'' H.

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