Cheating in Blackjack
Blackjack remains a classic and enduring casino game enjoyed by countless enthusiasts and players. With its straightforward rules and exciting game-play, Blackjack provides some of the best prizes in the casino world and carries high prestige. Major Blackjack tournaments frequently attract some of the most skilled and seasoned players in the industry. The game’s fame also extends beyond the casino floor, often taking centre stage in films such as ‘Casino’ (1995) and ‘Rain Man’ (1988). Thanks to the combination of reputation, significant rewards and adrenaline-fuelled play, many prepare for the game meticulously—sometimes even resorting to dishonest methods to gain an edge. Although it might sound unlikely, there are numerous accounts and stories from casinos indicating that both individuals and groups have attempted to secure wins in Blackjack by using questionable tactics and strategies.
Teamwork against the odds and dealer in Blackjack
Even though Blackjack is typically played on an individual basis, groups of players occasionally collaborate inside the casino with the aim of increasing their chances. There are several main approaches to this, including front loading, spooking and first basing. These tactics require coordinated efforts, with at least one team member acting as a lookout for face-down cards at strategic points during the game, then passing on that information discreetly to others at the table.
Front loading involves one team member occupying a seat directly opposite the dealer, providing a low vantage point. If a dealer unintentionally reveals part of a down card while placing it on the table, the player may spot its value and signal to the rest of the team. Spooking takes a different approach—a team member positions themselves behind the dealer, possibly at another nearby table, and attempts to catch a glimpse of the card faces before passing on signals to teammates. First basing requires two participants at a table: one sits next to the dealer, placing minimal wagers and paying close attention to the down cards. This information, once acquired, is shared subtly with the accomplice.
Card marking
Throughout the years, some players have tried various basic methods to beat the house, and one such technique is marking the cards. This traditional and often painstaking method involves subtly placing small scratches or marks on certain cards to help identify them later. By marking 10-point cards, for example, players attempt to determine if the dealer may hold a blackjack. Despite being an old technique, security measures in modern casinos make this increasingly difficult to execute without detection.
Counting cards to turn the game
Card counting has long been favoured as an advanced way to gain a mathematical advantage while playing Blackjack, although it is not strictly illegal. It refers to mentally tracking card values as they are dealt, giving a player a running tally of which cards remain in the shoe. This enables players to make more informed decisions about how to place their bets. The strategy often uses a plus-minus system to track the concentration of high and low cards; a positive count suggests a higher proportion of valuable cards remaining. The infamous MIT team employed this method during the 1980s, inspiring both documentaries and feature films. Even well-known figures such as Ben Affleck have reportedly used card counting techniques, resulting in restrictions at some gaming venues.
Casinos dedicate substantial resources to both entertainment and safeguarding profits. In response to various tactics and strategies, including those considered dishonest, casinos employ a range of countermeasures—from vigilant staff to sophisticated surveillance systems. While these defenses are effective, some players continue to develop new approaches in pursuit of large wins.
Blackjack online- Count cards in blackjack
- Books about blackjack
- The MIT blackjack team
- Blackjack dictionary
Last updated: November 2025
Emily Thornton boasts a degree in Digital Media from the University of Bristol, accompanied by an obsession for the online casino world. Over the past six years, she's combined her tech-savvy skills with a flair for writing, producing in-depth reviews and slots analyses for various casino platforms. A frequent contributor to free-spins.org, Emily's articles are grounded in research, ensuring readers gain trusted insights into the dynamic world of online gaming.