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Last Updated: May 7, 2017

Triple Chance Hi Lo

Introduction



Triple Chance Hi Lo is simple game of picking whether a random integer from 1 to 13 will be higher or lower than the previous one. The wins are inversely proportional to the probability of winning. The game is by software provider Play 'N Go.

Rules



  1. The player starts with selecting a wager. Where I played, the choices were $0.50, $1, $2, and $5.
  2. The game will spin three reels, each numbered 1 to 13. The reels are independent, so the same number may appear more than once.
  3. The player may choose to re-spin the reels if he wishes, as much as he likes.
  4. When the player is ready to bet, he can choose higher or lower on any of the three reels. Only one choice is allowed. The game will automatically re-spin upon a bet being selected. An exception is the player may not bet lower than 1 or higher than 13.
  5. If the player bet lower, and the chosen reel stops on a number lower than the previous number, the player wins.
  6. Likewise, if the player bet higher, and the chosen reel stops on a number higher than the previous number, the player wins.
  7. The player loses if the chosen reel stops the opposite way the player bet or on a tie.
  8. Wins pay according to the pay table below.
  9. Upon a win, the player can parlay his original bet and previous winnings, or collect and start over.


Following is the pay table based on a one unit bet. Wins are expressed on a "for one" basis.

Pay Table

Number Lower Higher
1 n/a 1.04
2 12.48 1.12
3 6.24 1.25
4 4.16 1.39
5 3.12 1.56
6 2.5 1.78
7 2.08 2.08
8 1.78 2.5
9 1.56 3.12
10 1.39 4.16
11 1.25 6.24
12 1.12 12.48
13 1.04 n/a


Analysis



The following table shows the probability of winning and expected return of all bets. Note that every bet has a mirror image. For example, the odds are the same on lower than 4 as higher than 10.

Analysis

Lower
Than
Higher
Than
Pays Prob.
Win
Return
2 12 12.48 0.076923 0.960000
3 11 6.24 0.153846 0.960000
4 10 4.16 0.230769 0.960000
5 9 3.12 0.307692 0.960000
6 8 2.5 0.384615 0.961538
7 7 2.08 0.461538 0.960000
8 6 1.78 0.538462 0.958462
9 5 1.56 0.615385 0.960000
10 4 1.39 0.692308 0.962308
11 3 1.25 0.769231 0.961538
12 2 1.12 0.846154 0.947692
13 1 1.04 0.923077 0.960000


Strategy



The following table shows the better way to bet for any given number.

Strategy

Number Best Bet Return
1 Hi 0.960000
2 Lo 0.960000
3 Hi 0.961538
4 Hi 0.962308
5 Equal 0.960000
6 Lo 0.961538
7 Equal 0.960000
8 Hi 0.961538
9 Equal 0.960000
10 Lo 0.962308
11 Lo 0.961538
12 Hi 0.960000
13 Lo 0.960000


Since the player is given three numbers to choose from, he should choose the one resulting in the highest return and bet according to the table above. Better yet, notice the highest return is 96.23% on the higher than 4 and lower than 10. I would suggest re-spinning until a 4 or 10 appears and then bet higher on a 4 or lower on a 10.






Written by: Michael Shackleford

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