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Posts tagged “shuffle

Inadequate card shuffling?

Does it really matter how many times you riffle shuffle (as illustrated) your cards before you play a hand in any card game? Well…I caught a blurb out of Amir Aczel’s book, Chance where he stated that:

“six or seven riffle shuffles are sufficient to produce a well-shuffled deck. …fewer than five shuffles is notably insufficient”

Apparently mathematicians have determined that to actually randomize a deck of cards the above must occur. So, I guess that (when playing poker) might explain the high occurances of pairs and trips if a deck is not properly shuffled. This leads to my question… When in play, is it a true fair game if the cards are not shuffled at least six times?

Anyway not sure if this information is valuable, but it is good to know.