The most common betting systems that players use for roulette are geared towards Red and Black, but after that it is probably the Dozens and Columns. Ielts slot availability in hyderabad british council.
To cover them quickly, there are three different Dozen bets on the roulette table marked as: 1st 12, 2nd 12 and 3rd 12.
Roulette Color Odds
There's also 3 Column bets marked on the table as 2 to 1. The first Column covers numbers 1 to 34, the second covers numbers 2 to 35 and the third covers numbers 3 to 36.
Like I said black came up 8 times in a row. But do you think that the player hand would win 8 times in a row? Plus this game is good because a tie is a push, where in roulette 0, or 00, is a loss. If you plan to play online roulette, stick with the bets whose odds almost mirror their payouts. These 'even money' bets include betting on Even, Odd, Low (numbers 1 through 18), High (numbers 19 through 36), Red, or Black. All of these wagers pay out at 1 to 1. Game Odds Articles.
So in total you have 6 bets, each of which covers 12 numbers (just less than a third of the wheel), they each have the same odds of hitting on any given spin and they all have the same payout which is 2:1. So if you bet £1, you will win £3 back.
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The two main strategies that you can use for the Dozens and Columns are covered on our page on the Martingale Roulette Strategy but there's so many sequences covered there for various parts of the wheel that it can be overwhelming, so we shall cover it again here on its own.
Strategy 1 – You pick a Dozen, any of them, and you bet on it with £1 (you can scale down to 10p if you like and divide the numbers below by 10). Then if you lose, you use the following betting sequence until you win:
1 – 1 – 2 – 3 – 4 – 6 – 9 – 14 – 21 – 31 – 47 – 70 – 105 – 158 – 237 – 355
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As long as you win on any of those numbers, you will have a small profit. The obvious downside is that if you don't get a win within that sequence, you have a big loss on your hands. Another downside is that because you're covering less than a third of the table, you're going to lose a lot more bets than you win over the long term of play. Here's a table that shows how much you've lost in total at each stage of the progression.
Martingale On Dozens/Columns, Starting With A Bet of 1 £/$/€ | |||
---|---|---|---|
Losses | Bet Placed (£/$/€) | Total Loss | Profit If The Bet Wins |
1 | 1 | 1 | 2 |
2 | 1 | 2 | 1 |
3 | 2 | 4 | 2 |
4 | 3 | 7 | 2 |
5 | 4 | 11 | 1 |
6 | 6 | 17 | 1 |
7 | 9 | 26 | 1 |
8 | 14 | 40 | 2 |
9 | 21 | 61 | 2 |
10 | 31 | 92 | 1 |
11 | 47 | 139 | 2 |
12 | 70 | 209 | 1 |
13 | 105 | 314 | 1 |
14 | 158 | 472 | 2 |
15 | 237 | 709 | 2 |
16 | 355 | 1064 | 1 |
As you can see, after 15 losses in a row your total loss will be £709 and your next bet will need to be £355 to cover the previous losses which is a total outlay of £1,064. Here are the odds of getting 15 spins in a row without your Dozen/Column hitting:
Royal reels slot machine tricks. European Roulette: (25/37)^15 = 0.2793% – This works out at 1 in 358 chance.
American Roulette: (26/38)^15 = 0.3372% – This works out at 1 in 296 chance.
Just to give you an idea of what to expect, when playing roulette online,we have seen over 30 spins in a row without a Dozen or Column hitting and when this happens you will lose. If you test this out on any of our Free Roulette Games you will soon see a long losing run for yourself.
To get around this, people try and wait for 10 spins without a Dozen or Column hitting and then bet on it. Maybe even wait 20 spins before betting on it. This is known as fallacy though and doesn't alter the odds of the game.
Strategy 2 – The problem with the above strategy is that you aren't covering a large enough portion of the table so you get lots of losses. If you want to cover more of the table, you can bet on 2 Dozens at the same time instead. This is the progression that you would need to use:
1 – 3 – 9 – 27 – 81 – 243
As you can see, the numbers soon get very big and that's because you need to times your bets by three after every loss (x3). The upside to this is that you're covering just less than 2/3 of the table and you will get more wins than losses.
But with a steep progression like that, it only takes a few losses in a row to give you a big loss that is hard to recover from. As with the first system, some players try ideas such as waiting until the same Dozen has hit three times in a row and then bet on the other two, but this again is fallacy and doesn't change the odds of the game.
No matter what strategy you use, you should set yourself a stop loss and target win and stick to it. For example, with the first strategy above, if you decide that you're going to walk away if you lose the 47 bet, walk away rather than chasing losses.
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How many times in a row has a little ball landed in the same pocket of a Roulette wheel, i.e. how many times has a single number occurred in a row? And how about the same color? What is the probability of these events and a potential impact on a play?
Record Occurrence of a Single Number in Roulette
The probability that any single number occurs is 1/37 in French Roulette and 1/38 in American Roulette (there are 36 numbers + zero + double zero in American Roulette). There is no doubt that it is a great coincidence when the same number comes up again and again.
The longest reliable series was registered at the hotel El San Chuan in Puerto Rico on 9 June 1959. During the course of the American Roulette, number ten occurred even six times in a row! The probability of such (successive) events is determined by a multiplication of individual events. Therefore the probability that the same number comes up six times in a row is:
(1/38) ˟ (1/38) ˟ (1/38) ˟ (1/38) ˟ (1/38) ˟ (1/38)
, that is:
(1/38)6 = 0.000000000332122593261671
.
That is a very small number indeed, roughly three billionths only. If we convert this probability into true odds that would have to be offered to us by a casino, we get the value 3,010,936,384 to one
. The true (fair) odds are calculated as a reciprocal of the probability, that is 1 ÷ probability. If such a bet on a series of outcomes was possible in Roulette, we would win $3 billion for a $1 bet(!)
It is important to add that the above-mentioned calculation of probability deals with a multiple (successive) events, i.e. we can ask this question: What is the probability that the same number in Roulette comes up 6 times in a row?
Since it would be a different case if e.g. number 10 occurred and after that before the new spin we asked what was the probability that number ten came up again? In this case the answer would be 1/38 (in terms of American Roulette), because any number could occur with the same probability 1/38 in every new spin. That is what we call a simple event in contrast with a multiple event(s) whereas the probabilities of individual events are multiplied (→ Articles on Probability).
The true odds for a 1 to 10fold repetition of the same number are shown in the table below. It is the same mechanism as if a sporting bet company or a casino offered the odds for a victory of some home team in some football match (→ The Odds Determination and Calculation).
The Same Number Comes Up in a Row | True Odds to One in FRENCH Roulette | True Odds to One in AMERICAN Roulette |
---|---|---|
37 | 38 | |
2˟ | 1,369 | 1,444 |
50,653 | 54,872 | |
4˟ | 1,874,161 | 2,085,136 |
69,343,957 | 79,235,168 | |
6˟ | 2,565,726,409 | 3,010,936,384 |
94,931,877,133 | 114,415,582,592 | |
8˟ | 3,512,479,453,921 | 4,347,792,138,496 |
129,961,739,795,077 | 165,216,101,262,848 | |
10˟ | 4,808,584,372,417,850 | 6,278,211,847,988,230 |
Roulette Odds 8 Black In A Row One
The odds are reciprocal values of the probabilities – the higher they are, the lower the probabilities are. The case of the above-mentioned record series is marked green. Consider also the difference that is made by one extra number in American Roulette (the double zero).
Roulette Odds 8 Black In A Row 5
Record Repetition of the Same Color in Roulette
There are no exceptions that the same color appeared more than 20 times in a row in practice. The record was registered in 1943, when red color came up 32 times in a row! The probability of such event in French Roulette is (18/37)32 = 0.000000000096886885
with the corresponding odds 10,321,314,387:1
.
The probability of the 32fold repetition of the same color in American Roulette is much more lower: (18/38)32 = 0.00000000004127100756
and the odds are 24,230,084,485:1
. Thus this is even less likely than occurrence of a single number six times in a row. Again it is clearly demonstrated what kind of importance (a negative one for players) has just one extra number in American Roulette.
Roulette Odds Black
Now imagine that you used the Martingale betting strategy (→ see the first test of the Martingale system), whereas the next bet is doubled if your bet loses..
Roulette Odds 1 12
→ Testing & Simulations of Roulette Bets & Strategies