Blackjack – How To Read The 6 Deck/75% Dealt Chart

The chart title, "6 Decks/75% Dealt (pg 177)," tells us the specific game we're looking at—with a different number of decks, or a different percentage dealt out, the frequency distribution would look different. Advantages change radically with different numbers of decks and greater or lesser penetration. This freak chart is specifically for a 6-deck game where the dealer is dealing out about 4 1/2 decks (75% of the cards) between shuffles—a fairly typical shoe game.

The first column, labeled Adv. (an abbreviation for "advantage"), shows the percent of occurance for various player advantages, positive and negative. Note that the entries in this column run from -4.0% to +4.0%. In a 6-deck game with 75% penetration, house/player advantages greater than this occur very rarely. If this chart was for a 6-deck game where 5 1/2 decks were being dealt out between shuffles (92% penetration), or for any single-deck game, we would need a freak chart that showed the occurrence of much greater house/player advantages.

The second column, labeled Hands, is the frequency distribution. That's the data that shows how many hands—per 100—will occur with the percent advantage shown in the first column. Example: In this six-deck game with 75% (4 1/2 decks) dealt, a player advantage of 1% will occur about 4.5 times per hundred hands. A house advantage of 1% will occur about 13 times per 100 hands. Note that the house advantage of 1% occurs almost 3 times as often as the player advantage of 1 % This is because the house has a 1/2% edge off the top. In a sense, the house gets a running start on you! Before you continue reading this explanation, find these numbers in the Hands column. Be sure you understand how to read the data in the first two columns before you go on to the rest of the chart.

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