

kayvee New user 5 Posts 
When I was 10 years old (many years ago), my friend's older brother performed this card trick for me. He asked me to divide face down a full deck of cards into multiple piles. I can't remember if it had to be divided into a certain number of piles determined by him or into any number of piles that I wanted.
After I did this, he would tell me what would be the sum of the top card of all the piles combined. And I would turn over the top card of each pile and voila, the sum of those cards would be exactly as he had stated. I don't remember what value the jack, queen or king represented. I went home and tried to figure out how to do this trick. I practiced for hours every day. A week later I figured it out. I came up with a mathematical formula which gave me the correct answer every time. I went back to my friend's older brother and showed him how figured out the trick. He was impressed but said that he did the trick a different way. In any case, I have forgotten the trick and how to do it. Does anyone know the name of this trick and how to do it? Any help is appreciated. :D 
Inert Special user Babbled incessantly for 671 Posts 
It looks like you stumped everyone with your very 1st post. Well done Kayvee.

kayvee New user 5 Posts 
Haha
Thanks Inert 
Wravyn Inner circle 2914 Posts 
Don't know name of trick but I know how I would do it using my own cards.

Claudio Inner circle Europe 1769 Posts 
I don’t know the trick, and actually I’ve never heard of the effect.
Here’s a possible handling that’s selfworking and doesn’t require any special cards. The downside is that it won't be direct, i.e. some process will be called for: Have the deck shuffled. Get it back and tell your audience that you’ll need 2 cards for a prediction. While spreading the deck face up add up the top 6 cards (or any 6 cards that you'll transfer to the top) and take 2 cards that you position face up to represent this total, but without explaining immediately what they mean. For example, if the top 6 cards add up to 41, take out a 4 and an Ace. Table the deck and ask your spectator to cut the top half of the deck and deal it to make 3 piles by alternatively dealing one card at a time on each pile. At that point the two bottom cards of each pile are your “key” cards. Under the pretext of randomness ask that each of the 3 piles be dealt into two piles each. You end up with 6 piles and the top cards are your 6 ‘key’ cards. Ask the spec to turn them up and sum them up. The total will of course match your prediction. 
kayvee New user 5 Posts 
Quote:
On Apr 19, 2022, Wravyn wrote: Oh wow...if you ever feel like recording yourself performing the trick, please feel free to do so 
kayvee New user 5 Posts 
Quote:
On Apr 19, 2022, Claudio wrote: that's very interesting....Thanks for sharing Claudio! 
kayvee New user 5 Posts 
Someone sent me this....its not the same trick but I thought it was interesting, so here it is:
https://www.youtube.com/watch?v=mNYux2y2OVQ&feature=youtu.be 
Claudio Inner circle Europe 1769 Posts 
You’re welcome Kayvee.
If you’re into stack work (especially mem deck, but Si Stebbins and alike will work too), you can achieve the same effect (minus the shuffling) and more as, after the dealing procedure has been completed, you can predict the total of the top or bottom 6 cards, and indeed the total of any layer from the top. Furthermore, a simple procedure which does not require dealing and can be performed openly in front of the audience, will put your stack back in order. I performed this for friends a few days ago and the reaction was actually much better than I thought it’d be. It was quick enough as I had 3 specs to do the dealing. 
SamChak Elite user 478 Posts 
Quote:
On Apr 12, 2022, kayvee wrote: If your friend's older brother had performed on Penn and Teller: Fool Us, then Penn would have said, "You know, Kayvee, doing this show, we've seen a lot of wonderful magicians performed a lot of classic magic. But you do that stuff more creatively than anyone I've ever seen. We're about to take a guess, and we are sincerely hoping we're wrong. If the Spectator cuts to the Aces, then the sum will be 4. What do you think?" 
(a)ndy Regular user New Zealand 163 Posts 
Quote:
On May 3, 2022, SamChak wrote: Did anyone else hear Penn's voice when reading that? Or was it just me? 
Nikodemus Special user 909 Posts 
Quote:
On Apr 19, 2022, Wravyn wrote: If they were MY cards, rather than a borrowed deck, I can think of an incredibly simple solution requiring no sleights, stacks etc. It's a simple method that a teenager could easily master, but would probably be inconceivable to his 10 year old spectator. If he used the method I am thinking of, then the effect is actually rather a clever way to disguise the method. 
Nev Blenk Regular user Northumberland UK 115 Posts 
M****d Deck ?

JBSmith1978 Veteran user NY 375 Posts 
I don’t recall the where I’ve seen similar. However it is reminiscent of the first card trick I was ever shown and taught as a child.
Piles are built by(in my case) turning a card face up then counting down from its value down to one. This is done until there are a few usable piles. The remaining cards will then correlate to the sum of the piles. 
martyjacobs Inner circle Essex, UK 1406 Posts 
Yep, this sounds like an old trick. The method is in lots of historic magic books. In particular, it is in Physical Amusements and Diverting Experiments by Giuseppe Pinetti, published in 1784! The technique involves some simple mathematics but is surprisingly effective. It doesn't sound exactly the same as the trick the OP describes, but this principle can be used in various ways to achieve the desired outcome.
The trick has a very snappy title: A mathematical Combination for guessing, in a whole Pack composed of Fiftytwo Cards, how many Points will make the Cards under each Parcel, which Parcels are to be made by one of the Company, observing to him that each Parcel he makes is to compose the Number of Thirteen, to begin from the Point of the first Card which he takes to form each Parcel. Marty 
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