Shuffling

Shuffling is a procedure used to randomize a deck of playing cards to provide an element of chance in card games. Shuffling is often followed by a cut, to help ensure that the shuffler has not manipulated the outcome.

Shuffling techniques

Overhand shuffle

One of the easiest shuffles to accomplish, the overhand or stripping shuffle is essentially a series of cuts. A group of cards on the bottom (or top) of the deck grasped between the thumb on one side and fingers on the other, lifted sideways out of the deck, and then placed on the top (or bottom). This process is repeated multiple times with random selections of cards in order to randomize them.

The overhand shuffle offers sufficient opportunity for sleight of hand techniques to be used to affect the ordering of cards, creating a stacked deck. The most common way that players cheat with the overhand shuffle is by having a card at the top or bottom of the pack that they require, and then slipping it to the bottom at the start of a shuffle (if it was on top to start), or leaving it as the last card in a shuffle and just dropping it on top (if it was originally on the bottom of the deck).