Winning Roulette System and the House Edge

When you search online, you'll find many so-called winning roulette systems for free or even for sale. However there is one system that is undeniably successful but unfortunately it's the one run by the casinos themselves. There is one simple reason that the owners of the casinos have a winning advantage in the game of roulette and that's called the house edge.
You see they don't need any complicated roulette system to win, they have a statistical advantage which will always win in the long run. Lets try and illustrate what the house edge exactly is by way of illustration. Let's suppose you placed a single chip on all thirty seven numbers on a European roulette wheel, that's 1-36 and the zero. When the croupier has spun the wheel you would of course have selected the winning number and would receive exactly 36 chips in return, odds of 35-1 plus your stake back, so you lose a single chip.
We can see from this example the actual odds and the what the House edge actually is. It is equal to the percentage probability of one single number, in European roulette the single zero represents the house edge. The probability of any number being spun is 100% divided by the amount of numbers on the wheel which works out as 100/37 or 2.7%.
So that's it, 2.7 percent advantage, doesn't sound much but the mighty casinos of the world where built on this small advantage. On American roulette wheels which have two zeros the advantage is doubled but I hope nobody plays on these! Of course in reality the advantage is probably more than that, reckless gambling, ridiculous betting patterns and unfortunately gambling addiction all skew the advantage further towards the house. Although these additional advantages are of course not guaranteed.
When you actually think about this, it's why so many professional roulette players, study the numbers on wheels so intently. Logically on a completely random roulette wheel this is a pointless exercise but if there is any slight bias in a wheel it can be extremely profitable. Imagine this, for whatever reason you discover over a specific period of time due to some unknown bias in a wheel or croupier, you can eliminate two numbers on the wheel being spun.
This suddenly would turn the house edge on it's head and over to the player who would now experience a similar advantage. A hugely profitable advantage that could be easily monetized with a modicum of luck and a sensible betting strategy. Such are the tales of breaking the bank at Monte Carlo based on, and reportedly do happen. In reality whether these biases exist or not they are certainly difficult to spot.

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