How the CRB Strategy Works

1. The basic betting system for playing at a $5 minimum wager roulette table has the following rules:
2. The base bet is $5. This is the minimum wager made.
3. The maximum bet in a game is $27. If this amount is wagered and lost, the following wager will be for $15.
4. The amount of the wager is increased by $3 following a loss. If we had a series of five straight losses, our wagers would be:

Bet Number 1 2 3 4 5
Amount $5 $8 $11 $14 $17

5. The amount of a wager is reduced by $2 following any win. If we have a series of two straight wins, and our first wager was in the amount of $15, our wagers would be: $15 and then $13.

How the CRB Strategy Works

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How to Apply the CRB Strategy

After any two consecutive wins, the amount of the wager is reduced by $5. If we have two consecutive wins, starting with a $15 bet, our bets would be:

Bet 1 Wins Bet 2 Wins Bet 3 Placed
$15 $13 $8

 

Table 2 shows a series of 15 wagers made using the base betting series. To keep matters simple, we won't worry about whether the wagers were placed on Red or Black at this point. I'll tell you how to decide where to place your bet in the next few pages.

Table 2. A Series of Bets Made With $5 Minimum Wagers

# Rule $ Bet Outcome
W = win
L = Loss
Amount won
or lost
Running
Total
1 A 5 L -5 -5
2 C 8 L -8 -13
3 C 11 W +11 -2
4 D 9 W +9 +7
5 E 5 L -5 +2
6 C 8 W +8 +10
7 D 6 L -6 +4
8 C 9 L -9 -5
9 C 12 L -12 -17
10 C 15 W +15 -2
11 D 13 L -13 -15
12 D 16 W +16 +1
13 D 14 W +14 +15
14 E 9 W +9 +24
15 C 5 W +5 +29

It is very important that you understand how to determine the size of your wagers. Let's go through this example decision by decision and see how each bet was determined.

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Each decision below corresponds to the decision number (#) in Table 2.

  1. This was our first wager. We always start a game with our basic bet in accordance with Rule A.
  2. We lost our first wager. Following a loss, we use Rule C to determine the next wager. Our next wager is the amount of the previously lost wager plus $3, or 5 + 3 = 8. We wager $8.
  3. We lost again. Once again we follow Rule C and add $3 to the amount of our losing wager. We calculate: 8 + 3 = $11. Our next wager is $11.
  4. We won our third wager. Following a single win, we use Rule D and reduce our next wager by $2. Our calculation is: 11 – 2 = 9. We wager $9 for decision #4.
  5. We won wager #4. We have now won two bets in a row (#3 and #4). With two consecutive wins, Rule E kicks in and we reduce the size of our next wager by $5. We calculate: 9 – 5 = 4. However, our minimum wager is always at least $5, so our wager size is 5 instead of 4. We wager $5 for decision #5.
  6. We lost Decision #5. Now Rule C determines the size of our wager. We add $3 to our last bet, for: 5 + 3 = 8. We wager $8.
  7. We won wager #6. Following Rule D, our next wager is reduced by $2. We have: 8 – 2 = 6. We wager $6.
  8. We lost #7. Time for Rule C again. We increase our next wager by $3, as 6 + 3 = 9. We wager $9 for decision #8.
  9. Another loss. Rule C still governs. We add $3 to our last wager, for 9 + 3 = 12. Our wager for #9 is $12.
  10. We lost decision #9. We follow Rule C and add another $3 to our previous wager, for 12 + 3 = 15. Our wager for #10 is for $15.
  11. Hurray, we finally won. With a win on #10, we follow Rule D and drop our next bet by $2. The next bet is determined as 15 – 2 = 13. We bet $13 for decision #11.
  12. Back to the losing column as wager #11 loses. Rule C governs and we add $3 to our previous wager for, 13 + 3 = 16. We wager $16 on decision #12.
  13. We win #12. Back to Rule D. We cut the size of this bet by $2, as 16 – 2 = 14. Our wager is for $14.
  14. Another win. We have won two bets in a row. This brings Rule E into play. We reduce the size of our next bet by $5. We calculate: 14 – 5 = 9. We bet $9.
  15. Decision $14 wins. Since we have won two in a row, we knock down the size of the next bet by $5. We calculate: 9 – 5 = 4. Since our minimum bet is still $5, we wager $5.
  16. We win Decision #15. If we were to continue our next bet would be for $5 again and we can’t reduce the size or our wager below our minimum wage of $5.

We have now covered how you determine the size of each wager. Now, let’s look at where you place your bets.