You can potentially use card counting in online blackjack to gain a valuable edge over the house. However, online casinos have a range of controls in place to prevent players from successfully counting cards, which makes it more difficult.
This guide breaks down the top three blackjack card counting systems and explains how to master them. We will discuss whether card counting in online blackjack works, and we will also highlight the best sites for anyone interested in playing live dealer blackjack.
Yes, it is technically possible to count cards when playing live dealer blackjack at an online casino. You cannot count cards when playing virtual blackjack – which is powered by random number generators – so you will need to visit the live dealer section if you want to count cards.
However, counting cards in online blackjack is significantly harder than counting cards at a physical casino. Many brick-and-mortar casinos now use continuous shuffling machines to minimize the effectiveness of card counting. Pit bosses and other casino workers are also trained to identify and eject card counters. They look out for players that display unusual betting patterns and act accordingly.
When you play online, it is even easier for the site to monitor your bet sizes. If the software notices that you are engaging in unusual betting patterns – essentially ramping up the size of your bets when you feel the shoe is tilted in your favor – it can alert the staff, and you may find that your account is limited or suspended. Some online casinos also use continuous shuffling machines to deter live dealer blackjack card counting, so it is challenging.
How to Practice Counting Cards in Live Dealer BlackjackIf you would like to practice card counting at an online casino, simply head to the live dealer section and select a blackjack game. We have highlighted the top three blackjack card counting strategies below, so you can choose one and give it a go.
Here are some tips for anyone interested in counting cards at an online casino offering live dealer blackjack games:
Card counting is a strategy that requires you to keep track of which cards have already been dealt. The basic idea is to assign a value to each card and then maintain a running tally, which is known as the count.
You can use this information to estimate the proportion of high-value and low-value cards remaining in the deck or the shoe (multiple decks). The goal is to significantly increase your bet size when the shoe tilts in your favor, at which point you will have an edge over the house.
There are a few different systems to consider:
There are plenty of other card counting systems for blackjack, including the Griffin Ultimate. It’s super accurate, but it’s very difficult to keep up with. Most pro card counters can keep up with the calculations for a few hands, but it’s near impossible to use it for a full shoe without help from a computer.
The Hi-Lo system is the most reliable in terms of sustainability. You can keep a running count for a long time, and you can gain between a 0.5% and 1.5% edge over the house.
Card counting takes practice, and it’s a skill you have to constantly refine to make it profitable. Don’t feel bad if your first few attempts at card counting blackjack go poorly because there are plenty of resources out there to help you improve. Here are a few of the best card counting practice resources for blackjack:
Blackjack Card Counting Trainer – Learn to count cards with this easy-to-use app! Step-by-step guides, video tutorials, and real-life scenarios help you understand blackjack card-counting fundamentals.
Running Count Simulator – Counting cards is about quick math, so honing your mental addition skills can help you keep a running count. Use this simulator to practice totaling card values against the clock.
The 21st Century Card Counter – This book by Colin Jones takes a look at how blackjack has changed in the past 50 years, and gives a solid explanation of card counting for modern gamblers.
Where Can I Play Online Live Dealer Blackjack?If you are interested in playing online blackjack with a live dealer, here are some reputable sites to consider:
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These sites offer multiple live dealer blackjack games, with broad wagering limits. They are all reliable online casinos that pay out on time.
Responsible GamingSuccess is never guaranteed when you play online blackjack, even if you learn how to count cards and master the optimal strategy. Do not bet with money you cannot afford to lose. Gambling can be addictive, so it is important to play in moderation. If you need support, visit these sites:
Online Blackjack Card Counting SummaryCard counting in online blackjack can be an intellectually stimulating and potentially lucrative strategy. Just remember that it does not guarantee success, and bear in mind that online casinos will use countermeasures to prevent players from gaining an edge by counting cards.
If you are interested in card counting, make sure you sign up with a reputable gambling site that offers live dealer play. Master your chosen card counting system, work on your speed and accuracy, and try not to do anything that will arouse the suspicion of the site when you play live dealer blackjack.
Ben Morris is a sports and casino writer who started with Gambling Nerd in 2024. However, he has more than a decade of experience in the industry. He has a particular interest in European soccer, but also enjoys betting on tennis and playing online slot games. His work has appeared in Sportico and TheSportsGeek.