There are big branches of mathematics that cover this sort of thing (not cards specifically). But there’s no way to sort the cards on the bottom. There are some subtle patterns still retained by perfect shuffles (that are unlikely to affect any game likely to be played), so if you want to avoid them you can purposely mess up a shuffle, or cut the deck at random after a shuffle or two.īy shuffling you can sort the cards on the top, because you’ll know when to stop. This is enough to get cards that start right next to each other to end up anywhere in the deck (each shuffle doubles the distance between cards). Starting with a perfectly ordered deck you can randomize it, about as much as you’d need, in 6-7 perfect shuffles. The short answer is random is random, and how you deal has no impact on that. Physicist: Unless one of you is a card shark, you should be fine. What is the impact of dealing one vs two cards at a time?Ĭan any of this be proven mathematically? My preference for one card at a time is entirely based on the belief that it creates a more random distribution of cards, a cleaner deal. Does the game previously played influence the amount of shuffling required to ensure a random deck?īut the bigger debate is that my wife prefers to deal two cards at a time so as to make the dealing go faster, while I prefer to deal the cards one at a time even though it takes longer. But I’m sure that’s not enough and need some guidance. ![]() ![]() The original question was: always shuffle the deck at least 4-5 times before dealing.
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