How to Spot Cheaters at the Casino

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Since the very first casino opened its doors, an endless war has raged between the operators trying to protect their money and the criminals trying to steal it.

Since the very first casino opened its doors, an endless war has raged between the operators trying to protect their money and the criminals trying to steal it.


Cheating is no longer about complex card counting (which is technically legal); it is about physically manipulating the cards, the dice, or the chips after the outcome is known.


Past Posting: The Art of the Late Bet


Past posting occurs when a cheater incredibly quickly and silently adds additional chips to their winning bet exactly a split second after the winning outcome is determined.


This scam requires absolute, flawless timing, massive distraction, and the steady, lightning-fast hands of a professional close-up magician.


  • Modern roulette tables feature advanced sensors to detect any chip movement after the ball drops
  • Dealers are trained to intensely stare at the chips immediately after announcing the winning number
  • Past posting is a severe felony offense, not a simple misunderstanding of the rules

How Players Manipulate the Deck


Cheaters attempt to destroy this mystery by physically marking the high-value cards (like Aces and Faces) so they can be identified from the back.


Edge sorting relies on finding tiny, microscopic manufacturing defects in the geometric patterns printed on the absolute back edge of the casino's playing cards.


How Cheaters Manipulate the Dice


Instead of throwing the dice into the air, the cheater expertly slides one of the dice completely flat across the felt, preventing it from ever tumbling.

Dawn on the bay

To combat this, casinos mandate that both dice must physically bounce off the chaotic, rubber pyramid "alligator" siding at the far end of the table.


Cheating MethodTarget GameHow it Works
Past PostingRoulette / BlackjackAdding chips to a winning bet late
Edge SortingBaccaratExploiting asymmetrical card patterns

If you suspect a player at your table is manipulating the game, simply walk away and let the eye in the sky do its job.

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