How to Count Cards in Blackjack: A Comprehensive Guide for Casino Enthusiasts

04 oktober 2023
Peter Mortensen


In the world of casino games, blackjack holds a special place due to its combination of skill, strategy, and chance. Among the many techniques employed by skilled players, card counting is one that has captured the imagination of gamblers across the globe. In this article, we will provide you with a detailed understanding of how to count cards in blackjack, offering valuable insights for both beginners and experienced players interested in enhancing their skills in casino gaming.

Understanding the Fundamentals:


Before diving into the intricacies of card counting, it is essential to familiarize oneself with the game of blackjack. Blackjack is a card game where players compete against the dealer, aiming to achieve a hand value of 21 or as close to it as possible, without going over. It is played with one or more decks of 52 cards.

Card Counting – An Overview:

Card counting is a strategy used by players to track the ratio of high to low-value cards remaining in the shoe. By doing so, players can make informed decisions on when to increase their bets, greatly improving their chances of winning. However, it is crucial to note that card counting is not illegal but can be frowned upon by casinos, which may employ countermeasures to discourage its use.

The Evolution of Card Counting:

Card counting in blackjack has a fascinating historical evolution. Its origins can be traced back to the early 1960s when mathematician Edward O. Thorp published his groundbreaking book, “Beat the Dealer.” Thorp’s work introduced the concept of card counting to the masses, revolutionizing the way blackjack was perceived and played.

Over time, various card counting techniques have emerged, each with its own nuances and advantages. Some of the most popular systems include the Hi-Lo count, the KO count, and the Omega II count. These systems involve assigning a point value to each card and keeping a running count based on the cards that have been dealt.

Strategies for Card Counting:

To successfully count cards in blackjack, here are some key strategies to consider:

1. Learn the Point Values: Each card in a deck is assigned a specific point value. High-value cards (10s, face cards, and Aces) are assigned negative values, while low-value cards (2-6) are assigned positive values. The sum of these values provides the running count.

2. Keep the Running Count: Throughout the game, maintain a running count by adding and subtracting the point values of the cards that have been dealt. The running count indicates the proportion of high to low-value cards remaining in the deck.

3. Calculate the True Count: To account for the number of decks remaining in the shoe, divide the running count by the estimated number of decks left. The true count indicates the advantage a player has over the house.

4. Adjust Your Bets: As the true count fluctuates, adjust your bets accordingly. Higher true counts indicate a more favorable situation for the player, warranting larger bets.

5. Practice and Refine: Card counting requires practice, discipline, and a keen eye for detail. Devote time to honing your skills in a controlled environment before trying your strategies at a casino.


Card counting in blackjack is an advanced strategy that can significantly enhance a player’s odds of winning. It is a technique that has evolved over time, drawing inspiration from the mathematical prowess of pioneers like Edward O. Thorp. While card counting may not guarantee consistent wins, it provides players with a valuable tool to make informed decisions and tilt the odds in their favor. As with any casino strategy, it is important to remember that success lies in combining skill, strategy, and a bit of luck. With practice and perseverance, mastering the art of card counting can be a rewarding endeavor for casino enthusiasts.


Are there different card counting techniques?

Yes, there are various card counting techniques such as the Hi-Lo count, the KO count, and the Omega II count, each with its own point value assignments and counting methodology.

Is card counting illegal in blackjack?

No, card counting is not illegal, but casinos may discourage its use.

What is the purpose of card counting in blackjack?

The purpose of card counting is to track the ratio of high to low-value cards remaining in the deck to make informed betting decisions and increase the player's chances of winning.

Flere Nyheder