How many shuffles is best?

For most games, four to seven riffle shuffles are sufficient: for unsuited games such as blackjack, four riffle shuffles are sufficient, while for suited games, seven riffle shuffles are necessary. There are some games, however, for which even seven riffle shuffles are insufficient.

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2023-07-20 06:21:11

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How do you shuffle a 100 card deck?
Break the deck into two 50-card halves and shuffle those individually. The take half of each to form two new 50-card halves and shuffle those individually. Then mash the two 50-card decks together a few times. It's not perfect, but should be a reasonable approximation of shuffling the 100 (or 99, as it were) cards.
2024-02-13 04:57:37

Can you shuffle a deck of cards too much?
There's no such thing as "over-shuffling" the cards. Either you haven't shuffled enough for a fair game, or you have. Shuffling only two or three times produces less-than-random hands.
2024-01-12 12:41:29

What is a probability of getting a spade or a from a well shuffled 52 cards?
There are 13 spade cards in a deck of 52 cards. therefore probability = 13/52 which is 1/4.
2024-01-10 10:06:57

What is the world record for most card shuffles?
The record for the most riffle shuffles in 15 seconds is 8 times, by Dan Sheikh. Dealing: Brian Pankey managed to deal 126 cards using just one hand within a one minute time limit. The record for dealing a complete deck of cards goes to Simon Akerblom of Sweden, who pulled this off in just 14.19 seconds.
2023-01-12 09:37:40

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