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What is Edge Sorting?

Last updated: 10.11.2025
Nathan Williams
Published by:Nathan Williams
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Canadian gamblers have been trying to get the upper hand on casinos for ages, ever since the first brick-and-mortar spots popped up centuries ago. One legendary tactic is card counting, perfected by Edward Thorp back in the 1960s for blackjack. But strategies aren't just about blackjack; there are other clever methods out there too, like edge sorting, which Phil Ivey famously used to clean up at the baccarat tables. But what exactly is edge sorting, and is it a legit move when playing at Canada's best live casinos? Keep reading to find out!

What Exactly is Edge Sorting?

Edge sorting is a pretty slick and intricate gambling strategy where players can actually figure out a card's value just by looking at tiny flaws on its back design. It might sound complicated, but it all comes down to spotting subtle, often accidental, imperfections on the back of playing cards. By noticing these minor details, players can get a significant advantage. While this is most often talked about in relation to baccarat, it can actually be used in other card games too, like blackjack and poker. It all hinges on your ability to spot and remember these little inconsistencies, turning them into a powerful edge when you're playing.

How Edge Sorting Works at the Tables

To most casual players in Canada, the back of a face-down card looks the same as any other. But for a skilled edge sorter, that's where the real game starts. These players have incredibly sharp eyes and tons of experience at the table, allowing them to identify cards based solely on the subtle patterns on their backs.

The Card Maker's Role in Edge Sorting

The secret behind edge sorting lies in the card manufacturing process. Occasionally, during production, slight variances occur in the cutting of cards, leading to faintly different patterns along the edges. To the uninitiated, these discrepancies are nearly imperceptible, but to a player with a trained eye, these variations are as clear as day. They can spot the telltale signs of different cards by scrutinizing the edges that show when the cards are stacked or spread out.

Professional edge sorters hone this skill over time, developing a keen sense of attention to detail that allows them to distinguish between cards that look identical to most. This ability doesn't just come naturally; it is often the result of hours of practice and a deep understanding of how different card decks are produced and used in live casinos. This explains why live casinos frequently change decks, as adept edge sorting can dramatically shift the odds in a game, providing insightful players with a significant advantage. Thus, edge sorting, while not widely practiced due to its complexity and the need for exceptional observational skills, remains a fascinating and potentially game-changing strategy in the world of high-stakes card gaming.

Balancing Risk and Reward

Edge sorting, while undoubtedly challenging, presents a unique opportunity to tilt the odds in your favor when playing against a live casino. The potential advantage gained through this technique can be as high as 7%. In practical terms, for every $100 wagered, edge sorting could theoretically yield a $7 return. While this margin might seem modest at first glance, it holds substantial appeal for high-stakes players.

Consider the scenario of betting $500 per hand. With edge sorting, this could result in an additional $35 per hand. If a player engages in 50 hands within an hour, this strategy could potentially lead to an extra $1,750 in that timeframe. Such figures illustrate why edge sorting is particularly attractive to high rollers, who can leverage their large bets to amplify their gains.

However, it's important to acknowledge the realities of relying on edge sorting as a consistent income source. To sustain a lifestyle solely through this strategy requires a substantial bankroll, and the risks involved are not negligible. Additionally, consistently winning through edge sorting may draw attention at the casino. High-profile players, especially those winning frequently, often find themselves under scrutiny. Casinos are known for their measures against players who are too successful, particularly if they suspect an unconventional strategy like edge sorting. Therefore, while edge sorting can be lucrative, it requires careful consideration of both the financial and practical aspects of casino gaming.

Casinos often regard the edge sorting strategy as blatant cheating, while many casino players consider it as a legitimate advantage play. The players themselves don’t manufacture the table game cards, so they believe they're not doing anything wrong.

However, Phil Ivey and his partner Cheung Yin Sun's $9.6 million win at the Borgata casino playing baccarat led to a lawsuit citing cheating allegations. In 2016, a federal judge ruled that the players refund the casino $10 million.

Interestingly, the US District Judge, Noel Hillman, ruled that the players didn’t commit any fraud. Instead, he found that the players violated the casino rules that prohibit the marking of cards. Although they didn’t physically mark the cards, the players used tiny card imperfections to their advantage.

In another instance, Crockfords casino in the UK refused to pay Phil his $11 million winnings from a 2012 session. He sued them, but lost again in the UK High Court after a judge classified edge sorting as “cheating.” It was pointed out that the case would have turned out differently if Phil had spotted the cards through simple observation instead of deliberately fixing the deck.

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