You can shuffle a deck of cards into oblivion in only 5 or 6 shuffles, but only if you are skilled with the riffle and split the deck into unequal portions. The average shuffler will require seven riffles, while the overhand shuffle is nearly ineffective in randomizing the order of a deck.
bonus links
the perfect shuffle
becoming an invisible illuminatus: phase one, the poker phase – i’m not making this up
poker variants
bullshit + poker =
7 card stud variations
poker FAQ
open directory: poker
You can shuffle a deck
randomWalks
@randomWalks