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Upcard Luck

Introduction

Upcard Luck

The Upcard Luck is a side bet in blackjack games like Dynasty by IGT. It pays off if the initial dealt cards put the player in a favorable position. To achieve a win, the dealer's upcard must be between 2 and 7, while the player should have either a blackjack, or a total of 9 to 11 or 18 to 20.

I first encountered this game at the Encore in Las Vegas in early 2021, and later spotted it with a different payout structure at the 2021 Global Gaming Expo.

Rules

To secure a win in this side bet, the dealer needs to have an upcard ranging from 2 to 7, in addition to the player meeting one of the following hand criteria.

What I refer to as Pay Table 1 includes: Jacks of spades paired with ace of spades—offering a payout of 78 to 1.

  • What I refer to as Pay Table 2 includes: Jacks of spades paired with ace of spades—offering a payout of 80 to 1.
  • Any other blackjack — pays 7 to 1.
  • Total of 9 to 11 — pays 3 to 1.
  • Total of 18 to 20 — pays 3 to 1.

Below is a visual representation of the rules screen for clarity, should my explanation have any ambiguities.

  • I suspect this game utilizes eight decks and the cards are shuffled after each round, though I'm uncertain.
  • Any other blackjack — pays 8 to 1.
  • Total of 9 to 11 — pays 4 to 1.
  • Total of 18 to 20 — pays 3 to 1.

The table provided here presents my findings based on an eight-deck setup. The bottom right cell indicates a house edge of 14.36%.

upcard luck

The subsequent table illustrates the house edge for varying numbers of decks.

Analysis of Pay Table 1

Here is my analysis for an eight-deck configuration. The bottom right cell indicates a house edge of 6.41%.

Pay Table 1 — Eight Decks

Event Win Combinations Probability Return
Ace of spaces and jack of spades 78 12,288 0.000344 0.026820
Other blackjack 7 774,144 0.021663 0.151638
Total of 9 to 11 3 2,042,912 0.057166 0.171498
Total of 18 to 20 3 3,817,472 0.106823 0.320468
All other -1 29,089,664 0.814005 -0.814005
Total   35,736,480 1.000000 -0.143580

The ensuing table displays the house edge for varying deck counts based on Pay Table 2.

Pay Table 1 — House Edge

Decks House Edge
8 14.36%
6 14.29%
4 14.16%
2 13.76%
1 12.94%

Analysis of Pay Table 2

It's evident that this side bet could be particularly susceptible to card counters. I gather that IGT shuffles the deck after every hand to mitigate this risk.

Pay Table 2 — Eight Decks

Event Win Combinations Probability Return
Ace of spaces and jack of spades 80 12,288 0.000344 0.027508
Other blackjack 8 774,144 0.021663 0.173301
Total of 9 to 11 4 2,042,912 0.057166 0.228664
Total of 18 to 20 3 3,817,472 0.106823 0.320468
All other-1 29,089,664 0.814005 -0.814005
Total 35,736,480 1.000000 -0.064064

Accurate mathematical strategies and insights applicable to a range of casino games such as blackjack, craps, roulette, among many others.

Pay Table 2 — House Edge

Decks House Edge
8 6.41%
6 6.34%
4 6.21%
2 5.82%
1 5.01%

Card Counting

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