by Norm Wattenberger

Blackjack Running Count Advantage

How valuable is each Running Count?

Here we will look at the advantage at each running count. That is the percentage gain you can expect on average for the initial Blackjack bet. Six decks, two decks and single-deck with two or four players are displayed. When we looked at the chart for true counts (True Count Advantages) we saw four lines that looked very much alike. Here we see substantial differences as the advantage difference between counts depends greatly on the number of decks. The lines all cross one another around the Pivot Point. The lines cross the 0% advantage line around their key counts. The key count is the point at which you have an advantage.


Sim details

  • Six decks, S17, DAS, LS, 4.81/6, KO-P
  • Two decks, H17, DAS, 1.5/2, KO-P
  • Single-deck, H17, 2 players, 4 rounds, KO-P
  • Single-deck, H17, 4 players, 2 rounds, KO-P
  • Ten billion rounds for six and two decks, five billion rounds for single-deck


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