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Card Counting Explained: The Idea Without the Hype
A calm look at what card counting actually measures, how it connects to the cards left in the shoe, and why its limits matter as much as the theory.
Deeper Maths
Card Counting Explained
What counting is mathematically, its limits and its realities, without promising profit.
Betting Spreads and Why Variance Remains Large
How varying bet size is meant to work in theory, with a simple illustration of why results still swing widely even when the odds are slightly favourable.
Casino Countermeasures to Card Counting
An overview of the shuffles, backoffs and rule changes casinos use to limit card counting, and what each one means in practice for players at the table.
Counting Myths From Films and Popular Stories
A sober comparison of how card counting is shown in films and popular stories with what it actually involves: slow, small edges, heavy swings and plenty of tedium.
Effect of Removing Cards on Player Advantage
How each card leaving the shoe nudges the player's expected result up or down, why the effects are tiny, and how that idea underlies every counting system.
Is Card Counting Legal? What the Rules Say
A general, non-legal explanation of why counting cards in your head is not usually a crime in itself, why casinos may still refuse play, and where devices differ.
Running Count Versus True Count
How the running tally of card values is divided by the decks remaining to give a true count, why the adjustment is needed, and a short worked example.
The Hi Lo System as a Mathematical Model
How the Hi Lo tag values of plus one, zero and minus one work as a balanced model that tracks the ratio of high to low cards left in the shoe.
Why Counting Accuracy Matters More Than Speed
Why a single slip in a running tally can erase a thin theoretical edge, and why steady accuracy matters more than counting quickly, with a simple illustration.
Why Counting Is Hard to Apply in Real Casinos
Why the theory of card counting is far harder to use at real tables: speed, accuracy, shuffles, limits, attention and costs that quietly erode a small edge.
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