Data by Count

How often do we get each True Count?

The basis of virtually all Blackjack card-counting systems is the count. True counts require adjustment of the count by the undealt cards and are used by balanced strategies like FELT, Hi-Lo, Hi-Opt I, Omega II, Zen, Uston APC, and RPC. Unbalanced strategies like K-O, Red 7 and KISS use the running count and avoid the additional calculation to find the true count. In this chapter, some charts will be provided for true counts and running counts — however not all charts will be provided for running counts.

Let’s start by looking at the frequency of true counts. Below we see the percentage of hands dealt at each count using Hi-Lo. Note: There are several methods of calculating true counts as will be discussed later. Six-deck frequencies are displayed in red and two-deck frequencies in green. Obviously, the most frequent count by far is zero. It is also clear that double-deck games experience substantially higher percentages of high and low counts. You will also see that the red line is much smoother than the green line. This is because these charts do not use the exact true counts. Players do not calculate the exact number of remaining cards when calculating TC. In this chart, remaining cards are estimated by half-decks. In double-deck games, this results in lower percentages of odd-numbered counts causing the jagged line that you see.

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 © 2009 Norman Wattenberger