The KO Strategy is one of the very easiest Blackjack card counting strategies A full description can be found in Blackjack Attack by Don Schlesinger. [HOST] › community › threads › ko-full-strategy-and-tko-. The KO or Knockout system is one of the easiest strategies for counting cards in blackjack as it only requires players to keep a running count. . The scientifically devised unbalanced K-O. The KO Count is straightforward “unbalanced” card counting system, ideal if you are looking to progress from basic counting strategies. Learning the Knock Out system is a must for all blackjack players who are KO method could help serious players generate good profits in real blackjack games. The Knock-Out card-counting system eliminates the mountain of mental arithmetic necessary to win at blackjack. The K-O system is a great blackjack card counting strategy for all kinds of players, regardless of their experience and mathematical skills. That's it. There is 1 deviation you. If you are playing KO-Preferred, the two running counts where you implement deviations for 8D are -6 and +4. I use the KO full strategy which implements changes to your plays based on the count at several different levels and number of decks (unlike. Knockout (KO) is a card counting system used in blackjack. Learn how to use the knockout system to gain an edge in blackjack.