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In BETween
Introduction
Much like Red Dog, the goal is for one card to fall between two others in rank. In this case, the primary goal is the dealer's up card to fall between the player's initial two cards. As of 2019, this side bet is becoming popular, with several placements I'm aware of.
The name of this bet is rather unclear. Judging by the table felt, it would seem to be titled just "In." However, the AGS web site, the company that markets the game, refers to it as the "In BETween." So, I'm going to go with that.
Rules
The side bet is based on standard blackjack rules. The primary object is for the dealer's up card to fall between the player's two initial cards in rank. For tight spreads of three ranks or less, the pays get larger. There is also a premium win for a three of a kind. The full pay table is below. All wins are on a "to win" basis.
In BETween — Pay Table
| Event | Pays |
|---|---|
| Triple match | 30 |
| One-card spread | 10 |
| Two-card spread | 6 |
| Three-card spread | 4 |
| All other spreads | 1 |
Analysis
The following table show the probability and contribution to the return for the In BETween bet using one deck of cards. The lower right cell shows a house edge of 10.46%.
In BETween Return Table -- One Deck
| Event | Pays | Permutations | Probability | Return |
|---|---|---|---|---|
| Triple match | 30 | 312 | 0.002353 | 0.070588 |
| One-card spread | 10 | 1,408 | 0.010618 | 0.106184 |
| Two-card spread | 6 | 2,560 | 0.019306 | 0.115837 |
| Three-card spread | 4 | 3,456 | 0.026063 | 0.104253 |
| All other spreads | 1 | 29,184 | 0.220090 | 0.220090 |
| Loss | -1 | 95,680 | 0.721569 | -0.721569 |
| Total | 132,600 | 1.000000 | -0.104615 |
The following table show the probability and contribution to the return for the In BETween bet using two decks of cards. The lower right cell shows a house edge of 7.76%.
In BETween Return Table -- Two Decks
| Event | Pays | Permutations | Probability | Return |
|---|---|---|---|---|
| Triple match | 30 | 4,368 | 0.003998 | 0.119931 |
| One-card spread | 10 | 11,264 | 0.010309 | 0.103091 |
| Two-card spread | 6 | 20,480 | 0.018744 | 0.112463 |
| Three-card spread | 4 | 27,648 | 0.025304 | 0.101217 |
| All other spreads | 1 | 233,472 | 0.213680 | 0.213680 |
| Loss | -1 | 795,392 | 0.727965 | -0.727965 |
| Total | 1,092,624 | 1.000000 | -0.077582 |
The following table show the probability and contribution to the return for the In BETween bet using four decks of cards. The lower right cell shows a house edge of 6.04%.
In BETween Return Table -- Four Decks
| Event | Pays | Permutations | Probability | Return |
|---|---|---|---|---|
| Triple match | 30 | 43,680 | 0.004925 | 0.147742 |
| One-card spread | 10 | 90,112 | 0.010160 | 0.101597 |
| Two-card spread | 6 | 163,840 | 0.018472 | 0.110833 |
| Three-card spread | 4 | 221,184 | 0.024937 | 0.099750 |
| All other spreads | 1 | 1,867,776 | 0.210583 | 0.210583 |
| Loss | -1 | 6,482,944 | 0.730923 | -0.730923 |
| Total | 8,869,536 | 1.000000 | -0.060417 |
The following table show the probability and contribution to the return for the In BETween bet using six decks of cards. The lower right cell shows a house edge of 5.42%.
In BETween Return Table -- Six Decks
| Event | Pays | Permutations | Probability | Return |
|---|---|---|---|---|
| Triple match | 30 | 157,872 | 0.005248 | 0.157453 |
| One-card spread | 10 | 304,128 | 0.010111 | 0.101107 |
| Two-card spread | 6 | 552,960 | 0.018383 | 0.110298 |
| Three-card spread | 4 | 746,496 | 0.024817 | 0.099268 |
| All other spreads | 1 | 6,303,744 | 0.209567 | 0.209567 |
| Loss | -1 | 22,014,720 | 0.731874 | -0.731874 |
| Total | 30,079,920 | 1.000000 | -0.054182 |
The following table show the probability and contribution to the return for the In BETween bet using eight decks of cards. The lower right cell shows a house edge of 5.10%.
In BETween Return Table -- Eight Decks
| Event | Pays | Permutations | Probability | Return |
|---|---|---|---|---|
| Triple match | 30 | 386,880 | 0.005413 | 0.162389 |
| One-card spread | 10 | 720,896 | 0.010086 | 0.100863 |
| Two-card spread | 6 | 1,310,720 | 0.018339 | 0.110032 |
| Three-card spread | 4 | 1,769,472 | 0.024757 | 0.099029 |
| All other spreads | 1 | 14,942,208 | 0.209061 | 0.209061 |
| Loss | -1 | 52,342,784 | 0.732344 | -0.732344 |
| Total | 71,472,960 | 1.000000 | -0.050970 |
The following table summarizes the house edge by number of decks.
House Edge Summary
| Decks | House Edge |
|---|---|
| 1 | 10.50% |
| 2 | 7.80% |
| 4 | 6.00% |
| 6 | 5.40% |
| 8 | 5.10% |
External Links
Discussion about the In BETween bet in my forum at Wizard of Vegas.