90 entries in Cards / Principles / Red-Black Relationship
Creators Title Comments & References Year Source Page AA Categories
Bob Hummer The Magic Separation face-up and face-down cards are shuffled, performer separates cards behind back so one pile consists of same amount of face up cards as the other, see Collected Secrets for variations
Related toVariationsAlso published here 1940 3
Bob Hummer Face Up Prediction spectator and performer turn cards over in the deck, number of reversed cards is predicted
Related toVariationsAlso published here 1940 4
Walter B. Gibson Pay Off spectator deals half the deck and tries to separate red and black, you predict the relations of the cards to the other half, two phases
Related toAlso published here Jan. 1942
The Phoenix (Issue 1)
1
Warren Wiersbe The Perfect Card Prediction dealing and open red-black sorting procedure
Related toVariations 1944 16
Full Deck Red/Black Relationship Principle
1944 17
Bob Hummer Little Stranger spectator places some red cards in his left and right trouser and jacket pockets, performer divines numbers
Related toVariationsAlso published here 1945 1
Warren Wiersbe, Bob Hummer Double Separation packet shuffled face-up face-down, then statement over condition made and colors separated
Inspired byVariationsAlso published here 1946 11
Roger Barkann Follow the Leaders routine with red/black effects
  • prediction of red / black relationship (Phoenix No. 1)
  • Out of this World (not explained)
  • Follow the Leader (not explained)
  • Slop Shuffle Color Separation
Related to Mar. 1946
The Phoenix (Issue 102)
409
Eddie Morton Colors Will Tell dealing and open red-black sorting procedure
Related to 1946 7
Ein neuer absonderlicher Kartentrick face-up and face-down cards are shuffled, performer separates cards behind back so one pile consists of same amount of face up cards as the other, same as Hummer's Magic separation
Related to 1949
Hokus Pokus (Vol. 10 No. 1)
5
Bob Hummer The Magic Separation face-up and face-down cards are shuffled, performer separates cards behind back so one pile consists of same amount of face up cards as the other
Also published here 1949 47
Bob Hummer Face-Up Prediction spectator and performer turn cards over in the deck, number of reversed cards is predicted
Also published here 1949 48
John Scarne, Cardini Cardini's Color Discernment No. 89, magician apparently guesses the number of red and black cards in two different-sized packets
1950 165
Walter B. Gibson Pay-Off spectator deals half the deck and tries to separate red and black, you predict the relations of the cards to the other half, two phases
Also published here 1956 97
Bob Hummer Bild und Rücken face-up and face-down cards are shuffled, performer separates cards behind back so one pile consists of same amount of face up cards as the other, see Collected Secrets for variations
Also published here 1959
Hokus Pokus (Vol. 20 No. 2)
811
Peter Alexis Red Magic spectator places some red cards in his left and right jacket pockets, performer divines number
Related toVariationsAlso published here June 1967 103
Bruce Cervon, Earl Keyser Red Magic Variation spectator places some red cards in his left and right jacket pockets, performer divines number
Inspired by Oct. 1967 128
Arthur Hill The Odd Color number of red cards in one half counted, that number of black cards counted down, this card predicted, see also p. 439
  • The Follow Up (location effect)
Variations June 1971 424
Roy Walton Duo Colors shuffled deck location, spectator has to count number of red cards in a dealt packet and count through the black cards in the rest of the deck to that number
Inspired byAlso published here July 1972 547
Stephen Clark Curious deck shuffled face-up/face-down, two suits named, cards of those suits corresponds with remaining reversed cards after they are removed
1978
The Chronicles (Issue 12)
1177
Harry Lorayne A Prediction "Pathway" mathematical dealing thing in which spectator sorts red and blacks to force himself a card, see end notes for fun history information
Inspired by 1979 53
Bob Hummer 3. Kein Zufall face-up and face-down cards are shuffled, performer separates cards behind back so one pile consists of same amount of face up cards as the other, see Collected Secrets for variations
Also published here 1979
Hokus Pokus (Vol. 40 No. 4)
122
Karl Fulves Not Reflected Ace-Five of hearts and diamonds shuffled and dealt, pairs removed, all other cards match, elaboration of red-black-relationship principle
Related to 1980 53
Bob Hummer Hummer's Little Stranger spectator places some red cards in his left and right trouser and jacket pockets, performer divines numbers
Related toAlso published here 1980 6
Bob Hummer The Magic Separation face-up and face-down cards are shuffled, performer separates cards behind back so one pile consists of same amount of face up cards as the other (1940)
Related toVariationsAlso published here 1980 9
Bob Hummer Face Up Prediction spectator and performer turn cards over in the deck, number of reversed cards is predicted
VariationsAlso published here 1980 9
Bob Hummer The Gremlins cards with red and blue gremlins are shuffled, behind back performer sorts the card in two packets so amount of red gremlins in one packet is the same as blue gremlins in the other packet
Related to 1980 41
Karl Fulves Gremlins No. 10, ten red-green double-faced paper cards, spectator shuffles, performer separates the cards behind his back so that the same number of green cards is in both piles
Inspired by 1980 10
Ken De Courcy The Red and Black Computation spectator places some red and black cards in his left and right trouser and jacket pockets, performer divines numbers, with selected card
Inspired by 1980 21
Chromatic Caper No. 13, coincidence with number of cards of given suits in a face-up/face-down shuffled deck
1984 19
Karl Fulves Red Magic No. 18, spectator places some red cards in his left and right jacket pockets, performer divines numbers
Also published here 1984 26
Peter Alexis Rot-Schwarze Magie spectator places some red cards in his left and right jacket pockets, performer divines number
Also published here Jan. 1984
Intermagic (Vol. 10 No. 3 & 4)
116
Farbfühlen performer divides deck in half, removes some card of a chosen suit, performer divines number
Jan. 1984
Intermagic (Vol. 10 No. 3 & 4)
118
Deine Seele ist mein twelve red and twelve black cards used
Jan. 1984
Intermagic (Vol. 10 No. 3 & 4)
123
Roy Walton Duo Colours shuffled deck location, spectator has to count number of red cards in a dealt packet and count through the black cards in the rest of the deck to that number
Also published here 1988 153
Ron Ferris Double Brainwave deck split in red / black two cards selected, ploy to place the card in other colored section
Also published here 1990 566
Karl Fulves Face Value cards shuffled face-up/face-down, cards dealt into performers hand until he calls stop, number of face-down cards then equals face-up cards
Inspired byRelated to 1992 25
Karl Fulves Balancing Act spectator places some blacks in pocket, performer places some more there, number of pocketed blacks equals number of reds in a packet, varied repeat
1992 50
Ken Simmons Bluff Presentation for The Magic Separation face-up and face-down cards are shuffled, performer separates cards behind back so one pile consists of same amount of face up cards as the other, three phases
Inspired by 1992 12
Steve Beam Scaling the Cards three packets are cut on the table, performer weighs two and announces amount of cards, then he reveals amount of black or red cards in those packets
Inspired by
  • Mike Roger's "Trost and Us" in "Genii" October, 1971.
1993 13
Simon Aronson Point Spread red/black game in several phases played by two spectators, performer predicts difference between number of red and black cards, repeat, shuffle-bored finale
1995 3
Simon Aronson, John Bannon Simon's and John's proof of the Red-Black Relationship Principle
1995 18
Ron Ferris Double Brainwave deck split in red / black two cards selected, ploy to place the card in other colored section
Also published here 1995 65
Karl Fulves I've Got Your Number No. 6, packet mixed face-up and face-down, half given to performer behind back, number of face-up cards in one half plus face-down in other half predicted three times
1995 7
Bob Farmer Spin To Win Again face-up/face-down distribution bet when removing a bunch of cards from under a tray, parity
Related to Aug. 1995
Magic (Vol. 4 No. 12)
70
Karl Fulves Ruse et Noir No. 2, as many red in one pile as there are black in the other pile
Variations 1997 6
Karl Fulves Ruse B impromptu method
Inspired by 1997 9
Karl Fulves Ruse C another method
Inspired by 1997 9
Karl Fulves Ruse D another method and comment
Inspired by 1997 10
Karl Fulves Touch For Color No. 4, two packets made, four red cards removed from packet A and any for cards moved from packet B to packet A, number of reds in A equals blacks in B
Related toVariations 1997 11
Karl Fulves Unequally Equal No. 5, follow-up to "Touch For Color" with similar effect
Inspired by 1997 12
Karl Fulves Balance of Trade No. 6, piles made and some cards exchanged, black cards in pile A equal number of black cards in pile B
1997 13
Karl Fulves The Dark Force No. 7, two piles made with a secret number, performer moves some cards from pile to pile, number of reds in one pile equals black in other pile
Variations 1997 14
Karl Fulves Unlisted Numbers No. 8, spectator removes any number of cards of each suit, piles made, number of Spades in one pile equals number of Diamonds plus Hearts plus Clubs in other pile
1997 15
Karl Fulves No Moe No. 9, first black card in pile remembered, added to deck, later found
1997 16
Karl Fulves Charlie Cheats No. 10, number of reds and blacks in packet determine who wins, two phases
Related to 1997 17
Karl Fulves Color on Contact No. 11, after some dealing and calculation, the number of red cards in two packets match
1997 19
Karl Fulves Color By Number No. 12, spectator deals deck into four piles according to a dealing pattern that he made up of numbers written in red or black, all color separated
1997 20
Karl Fulves Profiling number of red cards in one pile corresponds with number of black in another
Related toVariationsAlso published here 1998
Underworld (Issue 9)
116
Sam Schwartz Kings Can Count two piles, spades and hearts counted in one packet, prediction about difference made
1998 245
Karl Fulves The Pluto Bet red black sorting procedure, outcome predicted
Related to 1998 273
Karl Fulves In This Issue
2000
Off The Books (Issue 2)
7
Karl Fulves Self-Cancellation red-black relationship, and shuffle principle at work in Shuffle-Bored type routines
2000
Off The Books (Issue 2)
7
Bob Hummer Face-Up Prediction spectator and performer turn cards over in the deck, number of reversed cards is predicted
Also published here 2000
Off The Books (Issue 2)
8
Sam Schwartz, Karl Fulves Kings can Count No. 29, two suits for two spectators each, cards of those suits counted in packets, difference predicted
2001 44
Color by Touch No. 66, small packet shuffled face-up/face-down, performer names number of reds and blacks and sorts them
2001 100
Karl Fulves Compatibility No. 3, number of red cards in one pile corresponds with number of black in another
Also published here 2001 7
Karl Fulves Color of Thought No. 18, red card in one pile counted, that many black cards counted down in other pile, last card predicted, with follow-up challenge location
2001 37
Karl Fulves Apex Footnote connection to "I have as many cards as you..." and red black relationship principle, also with suits
2004 43
Karl Fulves Red-Black Relationship & Clocking red cards in one half clock to same total as black cards in other half, no application, full stack
2005 62
Reinhard Müller Mixed Cards and Feelings sixteen cards are cut into two piles and spectator turns the same amount of cards over in each pile, performer takes cards behind back, turns some cards over and tells how many cards are reversed
Related toVariations 2006 58
Reinhard Müller Feeling the Same court cards and a Joker are shuffled, a four of a kind is chosen and cards put in spectator's pocket, a pile is handed to the performer and he is able to announce how many of chosen quartet are in that pile and if the Joker is there as well
Inspired by
  • Tom Craven's "Selected Suit Divination" in Tony Miller's "Channel One" Vol. 3, #10. 2003
Related to
2006 59
Steve Beam Predecktion spectators get seven cards each and turn some over, cards are shuffled and turned, number of reversed cards match prediction
Inspired byRelated toAlso published here 2006 60
Tom Craven Selected Suit Divination suit chosen, cards put in pockets of spectator and on packet handed to performer who is then able to announce how many cards of named suit are inside the pile
Related to 2006 63
Steve Beam Predecktion spectators get seven cards each and turn some over, cards are shuffled and turned, number of reversed cards match prediction
Also published here 2006 5
Nick Trost, Karl Fulves Two Compatibility Tests first part is Karl Fulves' "Profiling", Gilbreath
Inspired by 2008 18
Ronald A. Wohl (Ravelli), Karl Fulves 17. The Mysterious Force
18. Ruse de Morris Plains
19. The Black Force
cards are shuffled and packet cut off by spectator, this is divided in two piles, number of red in one packet corresponds with number of black cards in other packet, three presentations
Inspired by Nov. 2009
The Penumbra (Issue 11)
5
Nick Trost Trost on "Scarne's $1,000 Card Trick" deck shuffled face-up/face-down, performer cuts and bets how many more cards are face up in one group than the other, repeat
Inspired by
  • "Scarne's $1,000 Card Trick" (John Scarne's Newsletter, Jan. 1976)
2009 335
Jeff Pierce, Ryan Schlutz The Untouchables
  • number of reds in one pile equals blacks in other pile
  • small packet OOTW with two spectators
  • two-card location with red black separation of packet
Inspired by 2011 119
Warren Wiersbe, Bob Hummer Follow-Up Trick packet shuffled face-up face-down, then statement over condition made and colors separated
Also published here 2011 728
Roberto Giobbi Red and Black Intuition
  • The Genii Session
spectator removes a number of cards, performer divines how many red and black cards are in the pile, repeat, ends with colors separated
Related to
  • "Way Out of This World" (Dr. Ben Braude, Tricks and Treats, 1971)
Aug. 2013
Genii (Vol. 76 No. 8)
17
Roberto Giobbi The Red-Black Complement Principle
  • The Genii Session
intro
Dec. 2013
Genii (Vol. 76 No. 12)
22
Roberto Giobbi The Vicious Circle of Magic card chosen via counting only red or black cards in a circle layout is predicted
Dec. 2013
Genii (Vol. 76 No. 12)
22
Karl Fulves Li'l Red's Blues red/black relationship type prediction trick with deck which has half red and half blue backs, predictions/coincidences cover both sides
2015 1
Matt Baker Hive Mind spectators help create a prediction about the number of coins held by two spectators (pennies, quarters, nickels and dimes), mathematical principle based on red/black relationship principle
Inspired by
  • "The Intuition Test" (Dr Larry Hass, Deep Mental Mysteries)
Variations
2019 135
Lorenz Schär Rebuilding a Hummer prediction of number of reversed cards, combination of Hummer's The Magic Separation and Face-Up Prediction
Inspired by 2020 171
Steve Beam Hummerless divination of reversed cards
Inspired by 2020 173
Steve Beam Newcomer Hummer two cards are used to form a number, it matches reversed cards
Inspired by 2020 175
Steve Beam All the Weigh divination of reversed cards
Inspired by 2020 177
Matt Baker Crowdsourced Prediction two spectators divide M&Ms freely among themselves, values are assigned according to previously handed out color chart, one spectator wins by a certain amount of points, this result was freely chosen by the spectators at the beginning
Inspired by 2023 13