Data-Driven Guides
Learn Card Counting
From the rules of the game through advanced advantage play, backed by billions of simulated hands.
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Card Counting
Card Counting
IntermediateThe Hi-Lo system, running count, true count, and why counting shifts the edge. Includes true count distribution data.
Deviations
IntermediateWhen and why the count changes optimal play. Explore EV vs True Count curves for every hand in the game.
Risk of Ruin
IntermediateThe probability of losing your entire bankroll, and how edge, variance, and bankroll size affect it.
Deep Dives
Rule Variations
AdvancedHow every rule — decks, dealer soft 17, doubling, surrender — shifts the house edge and changes optimal play.
Rule Comparison
AdvancedQuantify how each rule variation affects your edge. Compare all 960 simulated rulesets side by side.
Insurance
AdvancedWhen does the insurance side bet become profitable? EV curves show the exact true count threshold.
Methodology
AdvancedHow the simulation engine works, what the data represents, and why Monte Carlo simulation reveals things analytics can miss.