1/10/2024 0 Comments Riffle mathematica![]() Imagine if a casino didn’t trust the random number generator used in its stepper slots (the ones that still have physical reels). The example of a slot machine is important here to give a sense for how much the riffle costs. If the casinos believe these shufflers are random, then the riffle is time spent without value. If a casino believes these shufflers are not random and need extra assistance, then that casino should not have the shufflers at all. Either they believe the shufflers are random or they don’t. The question for the casino is one of trust. There is no human-based shuffle procedure that can compete with the level of randomness these machines produce. The shuffles these machines produce are no more predictable than the outcome of the next pull of a slot machine. The algorithms that modern shufflers use involve state-of-the-art random number generators. However, including a riffle before putting the deck into the shuffler should be re-considered. By breaking the deck in half and rotating one of the halves, any sorting that advantage players may have done will be thwarted. Sorting cards by their edges is an advanced move that is much harder to detect than card counting. Edge sorting focuses on natural irregularities cards may have in their edges that can allow advantage players to rotate the cards to allow later identification. The turn protects games from an edge sorting vulnerability (see this blog post and this blog post). It should be including in every shuffle procedure where the players can hold their own cards. ![]() The turn is an essential part of game protection. Of those elements, “turn” and “riffle,” one is essential and the other is a waste of time. As I watched, it became apparent that the time spent on those two moves, the turn and the riffle, created a significant drag on the game’s pace. After the dealer collected all the cards from the table and the discard tray, the dealer completed both a turn and a riffle before placing the deck into the shuffler. ![]() Recently while I was visiting a property, I observed the procedure the dealer used at the end of the round on a game that used a single-deck automatic shuffler. The first place to look is the greatest time-hog itself, the shuffle. It is therefore worthwhile to ask if there are unnecessary game protection procedures in place that subvert game pace. Game pace is undeniably the single most important factor in maximizing table revenue. Game pace audits help casinos rank dealing speeds so that the fastest dealers can be placed on the highest value games. These front line employees are instructed to attract players to the game, make the game fun, and to deal as fast and accurately as they can. Efforts to speed up games usually focus on the dealers themselves. Getting just one additional round per hour can lead to an increase in annual revenue of 3% or more. In table games, little procedures can cost a lot.
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