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s7reak
Introduction
S7reak is a new casino game that appeared at the Crown casino in Melbourne in early 2018. It is difficult to compare to any existing casino games. In S7reak, the dealer will deal cards face up until he has one of each color or has achieved seven cards, whichever comes first. There are four bets the player may choose from, which win or lose based on this card draw.
Rules
- The game uses an unknown number of ordinary 52-card decks. This analysis is based on a single deck, shuffled after every hand.
- The player has four bets available: Red, Black, No Streak, and Suit Up.
- After bets have been made, the dealer shall deal out cards, one at a time, until both colors are represented or seven cards of the same color are dealt, whichever comes first.
The Red and Black bets require that the first card be the chosen color, otherwise it loses. If the first card does match the color bet on, then the player is paid according to the number of cards of that color dealt and the following pay table. Pays are on a "to one" basis.
Red/Black Pay Table
Cards Pays 1 Push 2 1 3 2 4 3 5 4 6 5 7 6 - The No Streak bet pays even money if the first two cards are opposite in color and different in rank. If the first two cards are equal in rank and color, then the outcome is a push. If the first two cards are opposite in color, the outcome is a loss.
The Suit Up pays according to the maximum number of cards in any suit. Please note that the player does not need to choose a suit with this bet. Pays are on a "to one" basis.
Suit Up Pay Table
Cards Pays 1 Loss 2 Push 3 3 4 5 5 10 6 25 7 100
Red and Black Analysis
The following table shows my analysis of the Red and Black bets. The first column represents the number of cards in the chosen streak, starting with the first card. The bottom right cell shows a house edge of 4.05%.
Red and Black Analysis
| Cards in Streak |
Pays | Permutations | Probability | Return |
|---|---|---|---|---|
| 0 | -1 | 337,137,091,200 | 0.500000 | -0.500000 |
| 1 | 0 | 171,873,811,200 | 0.254902 | 0.000000 |
| 2 | 1 | 85,936,905,600 | 0.127451 | 0.127451 |
| 3 | 2 | 42,091,545,600 | 0.062425 | 0.124850 |
| 4 | 3 | 20,168,865,600 | 0.029912 | 0.089736 |
| 5 | 4 | 9,440,745,600 | 0.014001 | 0.056005 |
| 6 | 5 | 4,309,905,600 | 0.006392 | 0.031960 |
| 7 | 6 | 3,315,312,000 | 0.004917 | 0.029501 |
| Total | 674,274,182,400 | 1.000000 | -0.040497 |
No Streak Analysis
The following table shows my analysis of the No Streak bet. The bottom right cell shows a house edge of 1.96%.
No Streak Analysis
| Cards in Streak |
Pays | Combinations | Probability | Return |
|---|---|---|---|---|
| Win | 1 | 624 | 0.470588 | 0.470588 |
| Push | 0 | 52 | 0.039216 | 0.000000 |
| Loss | -1 | 650 | 0.490196 | -0.490196 |
| Total | 1,326 | 1.000000 | -0.019608 |
Suit Up Analysis
The following table shows my analysis of the Suit Up bet. The first column represents the number of cards in the suit in majority. The bottom right cell shows a house edge of 18.42% (ouch!).
Red and Black Analysis
| Cards in Majority Suit |
Pays | Permutations | Probability | Return |
|---|---|---|---|---|
| 1 | -1 | 433,122,004,224 | 0.642353 | -0.642353 |
| 2 | 0 | 164,577,943,296 | 0.244082 | 0.000000 |
| 3 | 3 | 54,452,935,680 | 0.080758 | 0.242274 |
| 4 | 5 | 17,493,041,280 | 0.025944 | 0.129718 |
| 5 | 10 | 4,015,440,000 | 0.005955 | 0.059552 |
| 6 | 25 | 578,223,360 | 0.000858 | 0.021439 |
| 7 | 100 | 34,594,560 | 0.000051 | 0.005131 |
| Total | 674,274,182,400 | 1.000000 | -0.184240 |
External Links
- Demo game by JCS John Huxley.
- Rule card from the Crown casino in Melbourne.
- Discussion about S7reak in my forum at Wizard of Vegas.
Written by:Michael Shackleford
