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How Does The 3/2 System Work?
The easiest way to explain this strategy is by referring to its name: 3/2. You need to place two bets with wagers of 3 and 2 units. This is how the bets should be placed:
- Wager 3 units on any of the even money bets (such as low/high, red/black, or odd/even)
- Wager 2 units on one of the dozen bets (either 1st 12, 2nd 12, or 3rd 12)
It’s totally up to you which even-money bet you will cover, or which dozen you will bet on. The total bet size is 5 units, and the key to the strategy is to persist with this bet combination throughout the sessions. You are allowed to vary between all the even money and dozen bets as you desire, but you shouldn’t alter the bet size. So, you can choose to bet on Black and the 2nd 12, or choose to bet on Red and the 1st 12.
However, even though the odds of winning any even-money bet and any dozen bet by their own are the same, they can differ depending on which combination you choose. Namely, due to the fact that some column bets have more red or black numbers than others, or they have a different number of evens and odds, the odds of winning for each combination may vary. The objective is to cover as many different outcomes as possible. To better understand this, check out all the numbers of each of the columns and the number of red and black fields.
- Numbers in the 1st column: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36. There are 8 red and 4 black fields in this column.
- Numbers in the 2nd column: 2, 5, 8, 11, 14, 17, 20, 23, 26, 29, 32, 35. There are 4 red and 8 black fields in this column.
- Numbers in the 3rd column: 1, 4, 7, 10, 13, 16, 19, 22, 25, 28, 31, 34. There are 6 red and 6 black fields in this column.
As you can see, the 1st column (the top column on a standard roulette grid) has 8 red and 4 black numbers, while the second column has 4 red and 8 black numbers. The number of black and red numbers in the third column is even. We’ll now present you with the different combinations:
| Red + 1st column | 59,46% |
| Red + 2nd column | 70,27% |
| Red + 3rd column | 64,86% |
| Black + 1st column | 70,27% |
| Black + 2nd column | 59,46% |
| Black + 3rd column | 64,86% |
The table shows that some combinations offer a much higher winning percentage than others. If you place a bet on red and the second column, or black and the first column, you have the highest chances of winning. But if you’re looking for the highest payout in terms of amount, you’re better off with a bet on red and the first column or black and the second column. This is all due to the numbers that intersect.
For example, if you bet on black and the first column, the chances of winning are 59.48%, and there are 8 numbers that intersect. If the ball lands on one of these numbers, you will win both bets, and essentially earn 7 units in that spin. If you win just one of the best, you will be 1 unit in profit with that bet, and if you lose both bets, you lose all 5 units. So, you get to choose whether you’ll place a riskier 3/2 bet and go for the higher amount, or a less risky bet with higher chances of winning.
Putting the 3/2 Strategy to the Test
To see how the 3/2 strategy works in practice, we put it on a test with a simulation of 500 spins. Our simulation consisted of three participants, with each of them starting with a bankroll or ₹1,000. Although the strategy allows you to bet on different even-money and dozen bets, we decided to stick with the ‘red + first combination’. This is the combination for the optimal payout, rather than the highest chances of having winning bets. Note that the results might have been different if we used a different combination.
As you can see from the graph, all three players experienced short-term gains.
- Player 1ended with a total bankroll of ₹1098. Profit:₹98
- Player 2ended with a total bankroll of₹1020. Profit:₹20
- Player 3ended with a total bankroll of ₹858. Loss:₹142
The results showed that the strategy has potential for short-term gains, as all three players were in plus after the first 50 spins. In the long term, however, player 3 suffered a net loss, while player 2 only made an insignificant profit. The house edge is ever-present, so in the long run, you will eventually encounter a net loss.
Shortcomings of the 3/2 System
The 3/2 system turned out to be surprisingly effective in the short turn, especially after the first 50 spins. However, the combination of an even-money bet and a column you choose is an important part of the strategy, so you should go for the combination that suits you the best. The combinations in which there are more intersecting numbers are probably the better option if you want short-term gains, while the combinations with the higher winning odds are better for long-term gains.
Nevertheless, the system is very simple to comprehend and execute and can be an effective tool in many cases. Since this is a flat-progression betting system, the only drawback is the inevitable house edge, which will eventually catch you up.
Conclusion
The 3/2 system doesn’t necessarily present specific flaws and can be highly effective in the short run. Its simplicity and flexibility in bet combinations cater to various player types and bankroll sizes, marking it as one of the simplest roulette strategies to adopt.
While it offers varied winning chances and payout potentials, it's crucial to remember that it doesn't alter the long-term RTP or house edge, so it’s best used in the short term. We suggest that once you’re ahead, you stop playing, or lower the unit size.
