Card marking
Videos
Card marking is the process of altering playing cards in a method only apparent to marker or conspirator, such as by bending or adding visible marks to a card. This allows different methods for card s
Pęczarski's 1845 work Card-sharpers by candlelight, depicting a card whose back has been marked, possibly using wax to add lines which become slightly visible when reflecting light
Casinos alter playing cards used at table games before they are sold or given away to prevent cheaters from buying them to cheat at table games.
By subtly tinting different body parts of this small "angel" feature on the back of a playing card - the head for an ace, the left wing for a king, etc. - the card's rank can be discerned. The two is left unmarked.
Cheating
Videos
Cheating generally describes various actions designed to subvert or disobey rules in order to obtain unfair advantages without being noticed. This includes acts of bribery, cronyism and nepotism in an
A small cheat sheet can be used to cheat during an academic examination.
A 2012 investigation by the United States Anti-Doping Agency (USADA) found that Lance Armstrong had used banned performance-enhancing drugs over the course of his cycling career.
This 1822 newspaper describes how strings, secretly attached to bowling pins, allow an accomplice to ensure a cheater receives higher bowling scores.
The Action Replay card allows Amiga computer owners to cheat in video games.