Contrary to popular belief, there are no sure fired strategies
that will give a player an edge over the casino in roulette
(European or American). Every new spin of the wheel is a isolated
event of chance, and every possible bet associated with each
spin carries a casino edge. Bearing this in mind, here are a
couple of popular systems which some punters have found useful
in the past.
Red/Black System
The red/black system is a form of Martingale (double up on successive
bets) system and is one of the better known roulette systems
around. Your bets for this system are on either red or black,
with your pay out 1 to 1 (i.e. double your money for a win).
It is worth bearing in mind that your chances of winning each
bet are just under 50/50 (remember the 0 and 00 that gives the
casino its advantage).
You begin by choosing a colour and placing your bet on either
red or black. Be sure to make your first bet a small one. If
you win, keep your winnings and place your starting bet again.
If you lose, double your stake and place a bet on the same colour
again. If this bet wins, your net result after two bets is the
same as if you had one you initial bet. Keep your winnings and
begin with your starting stake again. If your second bet loses,
double your stake again, and continue doing this until your
colour does come up, at which point your net win from the string
of bets will be the same as if you won your starting bet.
Now you know why it is important to start with a small bet.
It doesnt take too many losing bets in a row for your
bet amount to climb to quite a big number. But keep your nerve,
the key is being prepared to continue to double up until you
have a win. Also be very aware of the table bet limit - if you
reach this before you have a win then you stand to lose a considerable
amount.
Five Number System
This strategy calls for straight-up inside bets where you get
paid 35 to 1 if you win. You will place your bets on five individual
numbers. Dont forget 0 and 00 are part of the inside numbers
you can wager on. Pick any five numbers, they all have the exact
same chance of winning. Find a game where the minimum bet is
no more than ?5 and buy forty ?1 chips (?40). If you limit yourself
to relatively small stakes you cant get badly hurt. With
this system you hope to get lucky two consecutive times. Start
by placing one chip on each of your five chosen numbers. Repeat
this same wager until you win - you have enough chips for eight
tries. When the ball comes to rest on one of your numbers, you
win 35 chips. Divide the 35 chips over your five number fields,
seven on each. If you hit again the pay off will be 7 x 35 =
?245. No matter what the outcome, this was your last spin. Smart
gamblers know when to quit.
Your best choices for online Roulette are casinos using Cryptologic
software, as these casinos follow the Atlantic City rule of
giving half back on even money bets if the ball lands in zero.
This is slightly better than a single zero wheel, which can
be found with Microgaming casinos.
Betting strategies and tactics
Albert Einstein is reputed to have stated, "You cannot beat a roulette table unless you steal money from it."
Nevertheless, the numerous even-money bets in roulette have inspired many players over the years to attempt to beat the game by using one or more variations of a Martingale betting strategy, wherein the gamer doubles the bet after every loss, so that the first win would recover all previous losses, plus win a profit equal to the original bet. As the referenced article on Martingales points out, this betting strategy is fundamentally flawed in practice and the inevitable long-term consequence is a large financial loss. Another strategy is the Fibonacci system, where bets are calculated according to the Fibonacci sequence. Regardless of the specific progression, no such strategy can statistically overcome the casino's advantage.
While not a strategy to win money, Los Angeles Times editor Andres Martinez described an enjoyable roulette betting method in his book on Las Vegas entitled "24/7". He called it the "dopey experiment". The idea is to divide one's roulette session bankroll into 35 units. This unit is bet on a particular number for 35 consecutive spins. Thus, if the number hits in that time, the gambler wins back the original bankroll and can play subsequent spins with house money. However, there is only a (1 − (37 / 38)35) * 100% = 60.68% probability of winning within 35 spins (assuming a double zero wheel with 38 pockets).
There is a common misconception that the green numbers are "house numbers" and that by betting on them one "gains the house edge." In fact, it is true that the house's advantage comes from the existence of the green numbers (a game without them would be statistically fair); however, they are no more or less likely to come up than any other number.
Various attempts have been made by engineers to overcome the house edge through predicting the mechanical performance of the wheel, most notably by Joseph Jagger, the man who broke the bank at Monte Carlo in 1873. These schemes work by determining that the ball is more likely to fall at certain numbers. Claude Shannon, a mathematician and computer scientist best known for his contributions to information theory, built arguably the first wearable computer to do so in 1961.
To try to prevent exploits like this, the casinos monitor the performance of their wheels, and rebalance and realign them regularly to try to keep the result of the spins as random as possible.
More recently Thomas Bass, in his book The Newtonian Casino 1991, has claimed to be able to predict wheel performance in real time. He is also the author of The Eudaemonic Pie, which describes the exploits of a group of computer hackers, who called themselves the Eudaemons, who in the late 1970s used computers in their shoes to win at roulette by predicting where the ball would fall.
In the early 1990s, Gonzalo Garcia-Pelayo used a computer to model the tendencies of the roulette wheels at the Casino de Madrid in Madrid, Spain. Betting the most likely numbers, along with members of his family, he was able to win over one million dollars over a period of several years. A court ruled in his favor when the legality of his strategy was challenged by the casino.
In 2004, it was reported that a group in London had used mobile cameraphones to predict the path of the ball, a cheating technique called sector targeting. In December 2004 court adjudged that they didn't cheat because their special laser cameraphone and microchip weren't influencing the ball - they kept all £1.3m.
Betting only on red
One conceivable strategy would be to bet on the ball landing in a red space for a certain number of spins, for example, 38.
There are 18 red spaces on a roulette table with 38 total spaces. Dividing 18 by 38 yields a probability of landing on red of 47.37%. This probability can be used in a binomial distribution and made into an approximate standard normal distribution.
Doing so indicates that, if one were to spin the wheel 38 times, there is a 99% probability that the ball would land on red at least 10 times. There is an 83% probability that in 38 spins, the ball will land on red at least 15 times. Out of 38 spins, there's a 50% chance that 18 will be red.
However, the break-even point is 19 spins, since the bet on red is 1:1, and the probability of 19 red spins in 38 is only 37%. This indicates the difficulty of winning by only betting on red.
The results occur because, as indicated by the 18 divided by 38 equals 47.37% figure, the ball will land on red less than half the time. This percentage applied in the binomial and standard normal distributions creates the vast divide in probability from 18 red spins to 19 red spins out of 38 spins. Basically, it is very unlikely for anyone to spin much more than 18 red spins out of 38 spins.
Betting multiple times
This type of bet is a combination of the red bet and the martingale system. The difference is that this bet also includes the odd. This strategy starts off with a bet of 1 on each the red and the odd (or you can do the black and even). Each bet is treated separately. When one bet loses, it is doubled. When one bet wins, it gets set it back to 1. The reason that this technique keeps the player in the game so long is that there is almost a 25% chance of winning both the red and the odd and there is almost a 50% chance of breaking even (win one bet and lose the other). Of course, in order for this method to last, the player would need an unlimited source of money, and a casino with another one to boot. In reality, this method backfires when the player can't bet any longer and loses. The loss that this causes is possibly hundreds of times bigger than a loss made when starting. Also, in the long run, because the house still has an edge, the player will lose money just like with all other "unbeatable" casino games.
Using the dozen bet
There are two versions to this system, single dozen bets and double dozen bets. In the single dozen bet version, the player uses a progressively incrementing stake list starting from the casino table minimum, to the table maximum. The aim here is to use a single dozen bet to win before the stake list ends. Many techniques are employed such as: betting on the same dozen to appear after two consecutive appearances, betting on the dozen that has appeared most in the last 15, 9, or 5 spins, betting on the dozen that, after a long absence of 7 or more spins, appears for the first time. The double dozen bet version uses two dozen bets and half the stake list size of the single dozen bet version.
1st and 3rd column strategy
One bet of 2 pieces on the 1st column and one bet of 2 pieces on the 3rd column covers most of the red numbers on the table. One bet of 2 pieces on the black will provide insurance for occurance of black. This betting system covers all numbers except for the 4 red numbers in the middle column and the zero. If the result is a red number in either the 1st or 3rd column, the player only breaks even. If the result is red in the middle column the player loses 6 pieces. If the result is black and in the middle column, the player loses 2 pieces. If the result is a black in the 1st or 3rd column, the player wins 4 pieces.
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